repo stringclasses 1k
values | file_url stringlengths 96 373 | file_path stringlengths 11 294 | content stringlengths 0 32.8k | language stringclasses 1
value | license stringclasses 6
values | commit_sha stringclasses 1k
values | retrieved_at stringdate 2026-01-04 14:45:56 2026-01-04 18:30:23 | truncated bool 2
classes |
|---|---|---|---|---|---|---|---|---|
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/cqrs/queries/AddressByRegionQuery.java | patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/cqrs/queries/AddressByRegionQuery.java | package com.baeldung.patterns.cqrs.queries;
import lombok.AllArgsConstructor;
import lombok.Data;
@Data
@AllArgsConstructor
public class AddressByRegionQuery {
private String userId;
private String state;
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/cqrs/queries/ContactByTypeQuery.java | patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/cqrs/queries/ContactByTypeQuery.java | package com.baeldung.patterns.cqrs.queries;
import lombok.AllArgsConstructor;
import lombok.Data;
@Data
@AllArgsConstructor
public class ContactByTypeQuery {
private String userId;
private String contactType;
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/cqrs/projections/UserProjection.java | patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/cqrs/projections/UserProjection.java | package com.baeldung.patterns.cqrs.projections;
import java.util.Set;
import com.baeldung.patterns.cqrs.queries.AddressByRegionQuery;
import com.baeldung.patterns.cqrs.queries.ContactByTypeQuery;
import com.baeldung.patterns.cqrs.repository.UserReadRepository;
import com.baeldung.patterns.domain.Address;
import com.b... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/service/UserService.java | patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/service/UserService.java | package com.baeldung.patterns.es.service;
import java.util.Set;
import java.util.stream.Collectors;
import com.baeldung.patterns.domain.Address;
import com.baeldung.patterns.domain.Contact;
import com.baeldung.patterns.domain.User;
import com.baeldung.patterns.es.events.UserAddressAddedEvent;
import com.baeldung.patt... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/service/UserUtility.java | patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/service/UserUtility.java | package com.baeldung.patterns.es.service;
import java.util.List;
import java.util.UUID;
import com.baeldung.patterns.domain.Address;
import com.baeldung.patterns.domain.Contact;
import com.baeldung.patterns.domain.User;
import com.baeldung.patterns.es.events.Event;
import com.baeldung.patterns.es.events.UserAddressAd... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/repository/EventStore.java | patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/repository/EventStore.java | package com.baeldung.patterns.es.repository;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.baeldung.patterns.es.events.Event;
public class EventStore {
private Map<String, List<Event>> store = new HashMap<>();
public void addEvent(String id, E... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/events/UserContactAddedEvent.java | patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/events/UserContactAddedEvent.java | package com.baeldung.patterns.es.events;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.EqualsAndHashCode;
@Data
@AllArgsConstructor
@EqualsAndHashCode(callSuper = false)
public class UserContactAddedEvent extends Event {
private String contactType;
private String contactDetails;
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/events/UserCreatedEvent.java | patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/events/UserCreatedEvent.java | package com.baeldung.patterns.es.events;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.EqualsAndHashCode;
@Data
@AllArgsConstructor
@EqualsAndHashCode(callSuper = false)
public class UserCreatedEvent extends Event {
private String userId;
private String firstName;
private String las... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/events/Event.java | patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/events/Event.java | package com.baeldung.patterns.es.events;
import java.util.Date;
import java.util.UUID;
import lombok.ToString;
@ToString
public abstract class Event {
public final UUID id = UUID.randomUUID();
public final Date created = new Date();
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/events/UserAddressAddedEvent.java | patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/events/UserAddressAddedEvent.java | package com.baeldung.patterns.es.events;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.EqualsAndHashCode;
@Data
@AllArgsConstructor
@EqualsAndHashCode(callSuper = false)
public class UserAddressAddedEvent extends Event {
private String city;
private String state;
private String post... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/events/UserAddressRemovedEvent.java | patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/events/UserAddressRemovedEvent.java | package com.baeldung.patterns.es.events;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.EqualsAndHashCode;
@Data
@AllArgsConstructor
@EqualsAndHashCode(callSuper = false)
public class UserAddressRemovedEvent extends Event {
private String city;
private String state;
private String po... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/events/UserContactRemovedEvent.java | patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/es/events/UserContactRemovedEvent.java | package com.baeldung.patterns.es.events;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.EqualsAndHashCode;
@Data
@AllArgsConstructor
@EqualsAndHashCode(callSuper = false)
public class UserContactRemovedEvent extends Event {
private String contactType;
private String contactDetails;
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/crud/service/UserService.java | patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/crud/service/UserService.java | package com.baeldung.patterns.crud.service;
import java.util.Set;
import java.util.stream.Collectors;
import com.baeldung.patterns.crud.repository.UserRepository;
import com.baeldung.patterns.domain.Address;
import com.baeldung.patterns.domain.Contact;
import com.baeldung.patterns.domain.User;
public class UserServi... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/crud/repository/UserRepository.java | patterns-modules/cqrs-es/src/main/java/com/baeldung/patterns/crud/repository/UserRepository.java | package com.baeldung.patterns.crud.repository;
import java.util.HashMap;
import java.util.Map;
import com.baeldung.patterns.domain.User;
public class UserRepository {
private Map<String, User> store = new HashMap<>();
public void addUser(String id, User user) {
store.put(id, user);
}
publi... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/dependency-inversion/src/test/java/com/baeldung/tests/CustomerDaoUnitTest.java | patterns-modules/dependency-inversion/src/test/java/com/baeldung/tests/CustomerDaoUnitTest.java | package com.baeldung.tests;
import com.baeldung.daoimplementations.SimpleCustomerDao;
import com.baeldung.daointerfaces.CustomerDao;
import com.baeldung.entities.Customer;
import java.util.Map;
import java.util.HashMap;
import java.util.List;
import java.util.Optional;
import static org.assertj.core.api.Assertions.ass... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/dependency-inversion/src/test/java/com/baeldung/tests/CustomerServiceUnitTest.java | patterns-modules/dependency-inversion/src/test/java/com/baeldung/tests/CustomerServiceUnitTest.java | package com.baeldung.tests;
import com.baeldung.daoimplementations.SimpleCustomerDao;
import com.baeldung.entities.Customer;
import com.baeldung.services.CustomerService;
import java.util.Map;
import java.util.HashMap;
import java.util.List;
import java.util.Optional;
import static org.assertj.core.api.Assertions.asse... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/dependency-inversion/src/main/java/com/baeldung/services/CustomerService.java | patterns-modules/dependency-inversion/src/main/java/com/baeldung/services/CustomerService.java | package com.baeldung.services;
import com.baeldung.daointerfaces.CustomerDao;
import com.baeldung.entities.Customer;
import java.util.List;
import java.util.Optional;
public class CustomerService {
private final CustomerDao customerDao;
public CustomerService(CustomerDao customerDao) {
this.customer... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/dependency-inversion/src/main/java/com/baeldung/daointerfaces/CustomerDao.java | patterns-modules/dependency-inversion/src/main/java/com/baeldung/daointerfaces/CustomerDao.java | package com.baeldung.daointerfaces;
import com.baeldung.entities.Customer;
import java.util.List;
import java.util.Optional;
public interface CustomerDao {
Optional<Customer> findById(int id);
List<Customer> findAll();
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/dependency-inversion/src/main/java/com/baeldung/daoimplementations/SimpleCustomerDao.java | patterns-modules/dependency-inversion/src/main/java/com/baeldung/daoimplementations/SimpleCustomerDao.java | package com.baeldung.daoimplementations;
import com.baeldung.entities.Customer;
import com.baeldung.daointerfaces.CustomerDao;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
public class SimpleCustomerDao implements CustomerDao {
priv... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/dependency-inversion/src/main/java/com/baeldung/entities/Customer.java | patterns-modules/dependency-inversion/src/main/java/com/baeldung/entities/Customer.java | package com.baeldung.entities;
public class Customer {
private final String name;
public Customer(String name) {
this.name = name;
}
public String getName() {
return name;
}
@Override
public String toString() {
return "Customer{" + "name=" + name + '}';
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/dependency-inversion/src/main/java/com/baeldung/application/Application.java | patterns-modules/dependency-inversion/src/main/java/com/baeldung/application/Application.java | package com.baeldung.application;
import com.baeldung.daoimplementations.SimpleCustomerDao;
import com.baeldung.entities.Customer;
import com.baeldung.services.CustomerService;
import java.util.Map;
import java.util.HashMap;
public class Application {
public static void main(String[] args) {
Map<Integer,... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/coupling/src/test/java/com/baeldung/tight/TightlyCouplingUnitTest.java | patterns-modules/coupling/src/test/java/com/baeldung/tight/TightlyCouplingUnitTest.java | package com.baeldung.tight;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.mock;
import org.junit.jupiter.api.Test;
class TightlyCouplingUnitTest {
@Test
public void givenMetadataCollector_thenCollectMetadata() {
MetadataCollector collector = mock(MetadataCollector.cl... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/coupling/src/test/java/com/baeldung/loose/LooselyCouplingUnitTest.java | patterns-modules/coupling/src/test/java/com/baeldung/loose/LooselyCouplingUnitTest.java | package com.baeldung.loose;
import static org.junit.jupiter.api.Assertions.assertTrue;
import org.junit.jupiter.api.Test;
class LooselyCouplingUnitTest {
@Test
public void givenMetadataCollector_thenCollectMetadataXMLAndExportCSV() {
FetchMetadata metadata = new XMLFetch();
ExportMetadata ex... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/coupling/src/main/java/com/baeldung/tight/JSONFetch.java | patterns-modules/coupling/src/main/java/com/baeldung/tight/JSONFetch.java | package com.baeldung.tight;
import java.util.ArrayList;
import java.util.List;
public class JSONFetch {
public List<Object> fetchMetadata() {
List<Object> metadata = new ArrayList<>();
// Do some stuff
return metadata;
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/coupling/src/main/java/com/baeldung/tight/CSVExport.java | patterns-modules/coupling/src/main/java/com/baeldung/tight/CSVExport.java | package com.baeldung.tight;
import java.io.File;
import java.util.List;
public class CSVExport {
public File export(List<Object> metadata) {
System.out.println("Exporting data...");
// Export Metadata
File outputCSV = null;
return outputCSV;
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/coupling/src/main/java/com/baeldung/tight/XMLFetch.java | patterns-modules/coupling/src/main/java/com/baeldung/tight/XMLFetch.java | package com.baeldung.tight;
import java.util.ArrayList;
import java.util.List;
public class XMLFetch {
public List<Object> fetchMetadata() {
List<Object> metadata = new ArrayList<>();
// Do some stuff
return metadata;
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/coupling/src/main/java/com/baeldung/tight/PDFExport.java | patterns-modules/coupling/src/main/java/com/baeldung/tight/PDFExport.java | package com.baeldung.tight;
import java.io.File;
import java.util.List;
public class PDFExport {
public File export(List<Object> metadata) {
System.out.println("Exporting data...");
// Export Metadata
File outputPDF = null;
return outputPDF;
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/coupling/src/main/java/com/baeldung/tight/MetadataCollector.java | patterns-modules/coupling/src/main/java/com/baeldung/tight/MetadataCollector.java | package com.baeldung.tight;
import java.util.List;
public class MetadataCollector {
private XMLFetch xmlFetch = new XMLFetch();
private JSONFetch jsonFetch = new JSONFetch();
private CSVExport csvExport = new CSVExport();
private PDFExport pdfExport = new PDFExport();
public void collectMetadata(... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/coupling/src/main/java/com/baeldung/loose/FetchMetadata.java | patterns-modules/coupling/src/main/java/com/baeldung/loose/FetchMetadata.java | package com.baeldung.loose;
import java.util.List;
public interface FetchMetadata {
List<Object> fetchMetadata();
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/coupling/src/main/java/com/baeldung/loose/JSONFetch.java | patterns-modules/coupling/src/main/java/com/baeldung/loose/JSONFetch.java | package com.baeldung.loose;
import java.util.ArrayList;
import java.util.List;
public class JSONFetch implements FetchMetadata{
@Override
public List<Object> fetchMetadata() {
System.out.println("Fetching some json data");
return new ArrayList<>();
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/coupling/src/main/java/com/baeldung/loose/ExportMetadata.java | patterns-modules/coupling/src/main/java/com/baeldung/loose/ExportMetadata.java | package com.baeldung.loose;
import java.io.File;
import java.util.List;
public interface ExportMetadata {
File export(List<Object> metadata);
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/coupling/src/main/java/com/baeldung/loose/CSVExport.java | patterns-modules/coupling/src/main/java/com/baeldung/loose/CSVExport.java | package com.baeldung.loose;
import java.io.File;
import java.util.List;
public class CSVExport implements ExportMetadata {
@Override
public File export(List<Object> metadata) {
System.out.println("Exporting data...");
// Export Metadata
File outputCSV = null;
return outputCSV;
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/coupling/src/main/java/com/baeldung/loose/XMLFetch.java | patterns-modules/coupling/src/main/java/com/baeldung/loose/XMLFetch.java | package com.baeldung.loose;
import java.util.ArrayList;
import java.util.List;
public class XMLFetch implements FetchMetadata {
@Override
public List<Object> fetchMetadata() {
List<Object> metadata = new ArrayList<>();
// Do some stuff
return metadata;
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/coupling/src/main/java/com/baeldung/loose/PDFExport.java | patterns-modules/coupling/src/main/java/com/baeldung/loose/PDFExport.java | package com.baeldung.loose;
import java.io.File;
import java.util.List;
public class PDFExport implements ExportMetadata {
@Override
public File export(List<Object> metadata) {
System.out.println("PDF Export");
// Some logic
File outputPDF = null;
return outputPDF;
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/coupling/src/main/java/com/baeldung/loose/MetadataCollector.java | patterns-modules/coupling/src/main/java/com/baeldung/loose/MetadataCollector.java | package com.baeldung.loose;
import java.util.List;
public class MetadataCollector {
private final FetchMetadata fetchMetadata;
private final ExportMetadata exportMetadata;
public MetadataCollector(FetchMetadata fetchMetadata, ExportMetadata exportMetadata) {
this.fetchMetadata = fetchMetadata;
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-sharedkernel/src/main/java/module-info.java | patterns-modules/ddd-contexts/ddd-contexts-sharedkernel/src/main/java/module-info.java | module com.baeldung.dddcontexts.sharedkernel {
exports com.baeldung.dddcontexts.sharedkernel.events;
exports com.baeldung.dddcontexts.sharedkernel.service;
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-sharedkernel/src/main/java/com/baeldung/dddcontexts/sharedkernel/service/ApplicationService.java | patterns-modules/ddd-contexts/ddd-contexts-sharedkernel/src/main/java/com/baeldung/dddcontexts/sharedkernel/service/ApplicationService.java | package com.baeldung.dddcontexts.sharedkernel.service;
import com.baeldung.dddcontexts.sharedkernel.events.ApplicationEvent;
import com.baeldung.dddcontexts.sharedkernel.events.EventBus;
import com.baeldung.dddcontexts.sharedkernel.events.EventSubscriber;
public interface ApplicationService {
default <E extends ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-sharedkernel/src/main/java/com/baeldung/dddcontexts/sharedkernel/events/EventBus.java | patterns-modules/ddd-contexts/ddd-contexts-sharedkernel/src/main/java/com/baeldung/dddcontexts/sharedkernel/events/EventBus.java | package com.baeldung.dddcontexts.sharedkernel.events;
public interface EventBus {
<E extends ApplicationEvent> void publish(E event);
<E extends ApplicationEvent> void subscribe(String eventType, EventSubscriber subscriber);
<E extends ApplicationEvent> void unsubscribe(String eventType, EventSubscriber ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-sharedkernel/src/main/java/com/baeldung/dddcontexts/sharedkernel/events/ApplicationEvent.java | patterns-modules/ddd-contexts/ddd-contexts-sharedkernel/src/main/java/com/baeldung/dddcontexts/sharedkernel/events/ApplicationEvent.java | package com.baeldung.dddcontexts.sharedkernel.events;
import java.util.Map;
public abstract class ApplicationEvent {
protected Map<String, String> payload;
public abstract String getType();
public String getPayloadValue(String key) {
if (this.payload.containsKey(key)) {
return this.p... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-sharedkernel/src/main/java/com/baeldung/dddcontexts/sharedkernel/events/EventSubscriber.java | patterns-modules/ddd-contexts/ddd-contexts-sharedkernel/src/main/java/com/baeldung/dddcontexts/sharedkernel/events/EventSubscriber.java | package com.baeldung.dddcontexts.sharedkernel.events;
public interface EventSubscriber {
<E extends ApplicationEvent> void onEvent(E event);
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-infrastructure/src/main/java/module-info.java | patterns-modules/ddd-contexts/ddd-contexts-infrastructure/src/main/java/module-info.java | import com.baeldung.dddcontexts.infrastructure.db.InMemoryOrderStore;
import com.baeldung.dddcontexts.infrastructure.events.SimpleEventBus;
module com.baeldung.dddcontexts.infrastructure {
requires transitive com.baeldung.dddcontexts.sharedkernel;
requires transitive com.baeldung.dddcontexts.ordercontext;
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-infrastructure/src/main/java/com/baeldung/dddcontexts/infrastructure/db/InMemoryOrderStore.java | patterns-modules/ddd-contexts/ddd-contexts-infrastructure/src/main/java/com/baeldung/dddcontexts/infrastructure/db/InMemoryOrderStore.java | package com.baeldung.dddcontexts.infrastructure.db;
import com.baeldung.dddcontexts.ordercontext.model.CustomerOrder;
import com.baeldung.dddcontexts.ordercontext.repository.CustomerOrderRepository;
import com.baeldung.dddcontexts.shippingcontext.model.PackageItem;
import com.baeldung.dddcontexts.shippingcontext.model... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-infrastructure/src/main/java/com/baeldung/dddcontexts/infrastructure/events/SimpleEventBus.java | patterns-modules/ddd-contexts/ddd-contexts-infrastructure/src/main/java/com/baeldung/dddcontexts/infrastructure/events/SimpleEventBus.java | package com.baeldung.dddcontexts.infrastructure.events;
import com.baeldung.dddcontexts.sharedkernel.events.ApplicationEvent;
import com.baeldung.dddcontexts.sharedkernel.events.EventBus;
import com.baeldung.dddcontexts.sharedkernel.events.EventSubscriber;
import java.util.Map;
import java.util.Set;
import java.util.... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-shippingcontext/src/main/java/module-info.java | patterns-modules/ddd-contexts/ddd-contexts-shippingcontext/src/main/java/module-info.java | module com.baeldung.dddcontexts.shippingcontext {
requires com.baeldung.dddcontexts.sharedkernel;
exports com.baeldung.dddcontexts.shippingcontext.service;
exports com.baeldung.dddcontexts.shippingcontext.model;
exports com.baeldung.dddcontexts.shippingcontext.repository;
provides com.baeldung.dddco... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-shippingcontext/src/main/java/com/baeldung/dddcontexts/shippingcontext/service/ShippingService.java | patterns-modules/ddd-contexts/ddd-contexts-shippingcontext/src/main/java/com/baeldung/dddcontexts/shippingcontext/service/ShippingService.java | package com.baeldung.dddcontexts.shippingcontext.service;
import com.baeldung.dddcontexts.sharedkernel.service.ApplicationService;
import com.baeldung.dddcontexts.shippingcontext.model.Parcel;
import com.baeldung.dddcontexts.shippingcontext.repository.ShippingOrderRepository;
import java.util.Optional;
public interf... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-shippingcontext/src/main/java/com/baeldung/dddcontexts/shippingcontext/service/ParcelShippingService.java | patterns-modules/ddd-contexts/ddd-contexts-shippingcontext/src/main/java/com/baeldung/dddcontexts/shippingcontext/service/ParcelShippingService.java | package com.baeldung.dddcontexts.shippingcontext.service;
import com.baeldung.dddcontexts.sharedkernel.events.ApplicationEvent;
import com.baeldung.dddcontexts.sharedkernel.events.EventBus;
import com.baeldung.dddcontexts.sharedkernel.events.EventSubscriber;
import com.baeldung.dddcontexts.shippingcontext.model.Parcel... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-shippingcontext/src/main/java/com/baeldung/dddcontexts/shippingcontext/model/PackageItem.java | patterns-modules/ddd-contexts/ddd-contexts-shippingcontext/src/main/java/com/baeldung/dddcontexts/shippingcontext/model/PackageItem.java | package com.baeldung.dddcontexts.shippingcontext.model;
public class PackageItem {
private int productId;
private float weight;
private float estimatedValue;
public PackageItem(int productId, float weight, float estimatedValue) {
this.productId = productId;
this.weight = weight;
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-shippingcontext/src/main/java/com/baeldung/dddcontexts/shippingcontext/model/ShippableOrder.java | patterns-modules/ddd-contexts/ddd-contexts-shippingcontext/src/main/java/com/baeldung/dddcontexts/shippingcontext/model/ShippableOrder.java | package com.baeldung.dddcontexts.shippingcontext.model;
import java.util.List;
public class ShippableOrder {
private int orderId;
private String address;
private List<PackageItem> packageItems;
public ShippableOrder(int orderId, List<PackageItem> packageItems) {
this.orderId = orderId;
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-shippingcontext/src/main/java/com/baeldung/dddcontexts/shippingcontext/model/Parcel.java | patterns-modules/ddd-contexts/ddd-contexts-shippingcontext/src/main/java/com/baeldung/dddcontexts/shippingcontext/model/Parcel.java | package com.baeldung.dddcontexts.shippingcontext.model;
import java.util.List;
public class Parcel {
private int orderId;
private String address;
private String trackingId;
private List<PackageItem> packageItems;
public Parcel(int orderId, String address, List<PackageItem> packageItems) {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-shippingcontext/src/main/java/com/baeldung/dddcontexts/shippingcontext/repository/ShippingOrderRepository.java | patterns-modules/ddd-contexts/ddd-contexts-shippingcontext/src/main/java/com/baeldung/dddcontexts/shippingcontext/repository/ShippingOrderRepository.java | package com.baeldung.dddcontexts.shippingcontext.repository;
import com.baeldung.dddcontexts.shippingcontext.model.ShippableOrder;
import java.util.Optional;
public interface ShippingOrderRepository {
Optional<ShippableOrder> findShippableOrder(int orderId);
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-ordercontext/src/main/java/module-info.java | patterns-modules/ddd-contexts/ddd-contexts-ordercontext/src/main/java/module-info.java | module com.baeldung.dddcontexts.ordercontext {
requires com.baeldung.dddcontexts.sharedkernel;
exports com.baeldung.dddcontexts.ordercontext.service;
exports com.baeldung.dddcontexts.ordercontext.model;
exports com.baeldung.dddcontexts.ordercontext.repository;
provides com.baeldung.dddcontexts.order... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-ordercontext/src/main/java/com/baeldung/dddcontexts/ordercontext/service/OrderService.java | patterns-modules/ddd-contexts/ddd-contexts-ordercontext/src/main/java/com/baeldung/dddcontexts/ordercontext/service/OrderService.java | package com.baeldung.dddcontexts.ordercontext.service;
import com.baeldung.dddcontexts.ordercontext.model.CustomerOrder;
import com.baeldung.dddcontexts.ordercontext.repository.CustomerOrderRepository;
import com.baeldung.dddcontexts.sharedkernel.service.ApplicationService;
public interface OrderService extends Appli... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-ordercontext/src/main/java/com/baeldung/dddcontexts/ordercontext/service/CustomerOrderService.java | patterns-modules/ddd-contexts/ddd-contexts-ordercontext/src/main/java/com/baeldung/dddcontexts/ordercontext/service/CustomerOrderService.java | package com.baeldung.dddcontexts.ordercontext.service;
import com.baeldung.dddcontexts.ordercontext.model.CustomerOrder;
import com.baeldung.dddcontexts.ordercontext.repository.CustomerOrderRepository;
import com.baeldung.dddcontexts.sharedkernel.events.ApplicationEvent;
import com.baeldung.dddcontexts.sharedkernel.ev... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-ordercontext/src/main/java/com/baeldung/dddcontexts/ordercontext/model/CustomerOrder.java | patterns-modules/ddd-contexts/ddd-contexts-ordercontext/src/main/java/com/baeldung/dddcontexts/ordercontext/model/CustomerOrder.java | package com.baeldung.dddcontexts.ordercontext.model;
import java.util.List;
public class CustomerOrder {
private int orderId;
private String paymentMethod;
private String address;
private List<OrderItem> orderItems;
public CustomerOrder() {
}
public float calculateTotalPrice() {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-ordercontext/src/main/java/com/baeldung/dddcontexts/ordercontext/model/OrderItem.java | patterns-modules/ddd-contexts/ddd-contexts-ordercontext/src/main/java/com/baeldung/dddcontexts/ordercontext/model/OrderItem.java | package com.baeldung.dddcontexts.ordercontext.model;
public class OrderItem {
private int productId;
private int quantity;
private float unitPrice;
private float unitWeight;
public OrderItem(int productId, int quantity, float unitPrice, float unitWeight) {
this.productId = productId;
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-ordercontext/src/main/java/com/baeldung/dddcontexts/ordercontext/repository/CustomerOrderRepository.java | patterns-modules/ddd-contexts/ddd-contexts-ordercontext/src/main/java/com/baeldung/dddcontexts/ordercontext/repository/CustomerOrderRepository.java | package com.baeldung.dddcontexts.ordercontext.repository;
import com.baeldung.dddcontexts.ordercontext.model.CustomerOrder;
public interface CustomerOrderRepository {
void saveCustomerOrder(CustomerOrder order);
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-mainapp/src/main/java/module-info.java | patterns-modules/ddd-contexts/ddd-contexts-mainapp/src/main/java/module-info.java | module com.baeldung.dddcontexts.mainapp {
uses com.baeldung.dddcontexts.sharedkernel.events.EventBus;
uses com.baeldung.dddcontexts.ordercontext.service.OrderService;
uses com.baeldung.dddcontexts.ordercontext.repository.CustomerOrderRepository;
uses com.baeldung.dddcontexts.shippingcontext.repository.S... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/ddd-contexts/ddd-contexts-mainapp/src/main/java/com/baeldung/dddcontexts/mainapp/Application.java | patterns-modules/ddd-contexts/ddd-contexts-mainapp/src/main/java/com/baeldung/dddcontexts/mainapp/Application.java | package com.baeldung.dddcontexts.mainapp;
import com.baeldung.dddcontexts.ordercontext.model.CustomerOrder;
import com.baeldung.dddcontexts.ordercontext.model.OrderItem;
import com.baeldung.dddcontexts.ordercontext.repository.CustomerOrderRepository;
import com.baeldung.dddcontexts.ordercontext.service.OrderService;
i... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/FrontControllerServlet.java | patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/FrontControllerServlet.java | package com.baeldung.patterns.front.controller;
import com.baeldung.patterns.front.controller.commands.FrontCommand;
import com.baeldung.patterns.front.controller.commands.UnknownCommand;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/commands/SearchCommand.java | patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/commands/SearchCommand.java | package com.baeldung.patterns.front.controller.commands;
import com.baeldung.patterns.front.controller.data.Book;
import com.baeldung.patterns.front.controller.data.BookshelfImpl;
import jakarta.servlet.ServletException;
import java.io.IOException;
public class SearchCommand extends FrontCommand {
@Override
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/commands/UnknownCommand.java | patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/commands/UnknownCommand.java | package com.baeldung.patterns.front.controller.commands;
import jakarta.servlet.ServletException;
import java.io.IOException;
public class UnknownCommand extends FrontCommand {
@Override
public void process() throws ServletException, IOException {
forward("unknown");
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/commands/FrontCommand.java | patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/commands/FrontCommand.java | package com.baeldung.patterns.front.controller.commands;
import jakarta.servlet.RequestDispatcher;
import jakarta.servlet.ServletContext;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;
public abstrac... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/data/BookshelfImpl.java | patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/data/BookshelfImpl.java | package com.baeldung.patterns.front.controller.data;
import java.util.ArrayList;
public class BookshelfImpl extends ArrayList<Book> implements Bookshelf {
private static Bookshelf INSTANCE;
@Override
public Bookshelf getInstance() {
if (INSTANCE == null) {
INSTANCE = new BookshelfImpl... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/data/Book.java | patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/data/Book.java | package com.baeldung.patterns.front.controller.data;
public interface Book {
String getAuthor();
void setAuthor(String author);
String getTitle();
void setTitle(String title);
Double getPrice();
void setPrice(Double price);
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/data/Bookshelf.java | patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/data/Bookshelf.java | package com.baeldung.patterns.front.controller.data;
public interface Bookshelf {
default void init() {
add(new BookImpl("Wilson, Robert Anton & Shea, Robert", "Illuminati", 9.99));
add(new BookImpl("Fowler, Martin", "Patterns of Enterprise Application Architecture", 27.88));
}
Bookshelf ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/data/BookImpl.java | patterns-modules/front-controller/src/main/java/com/baeldung/patterns/front/controller/data/BookImpl.java | package com.baeldung.patterns.front.controller.data;
public class BookImpl implements Book {
private String author;
private String title;
private Double price;
public BookImpl() {
}
public BookImpl(String author, String title, Double price) {
this.author = author;
this.title =... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/test/java/com/baeldung/pattern/richdomainmodel/RichDomainModelUnitTest.java | patterns-modules/clean-architecture/src/test/java/com/baeldung/pattern/richdomainmodel/RichDomainModelUnitTest.java | package com.baeldung.pattern.richdomainmodel;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.jupiter.api.Test;
public class RichDomainModelUnitTest {
@Test
public void givenATennisGame_whenReceiverWinsThreePoints_thenScoreIsFortyLove() {
TennisGame game = new TennisGame("... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/test/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserResponseFormatterUnitTest.java | patterns-modules/clean-architecture/src/test/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserResponseFormatterUnitTest.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Argume... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/test/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserUnitTest.java | patterns-modules/clean-architecture/src/test/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserUnitTest.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.*;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.ArgumentMatchers.any;
import org.junit.jupiter.api.Test;
class UserUnitTest {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/richdomainmodel/TennisGame.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/richdomainmodel/TennisGame.java | package com.baeldung.pattern.richdomainmodel;
public class TennisGame {
private final Player server;
private final Player receiver;
public TennisGame(String server, String receiver) {
this.server = new Player(server);
this.receiver = new Player(receiver);
}
public void wonPoint(St... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/richdomainmodel/Score.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/richdomainmodel/Score.java | package com.baeldung.pattern.richdomainmodel;
import java.util.Arrays;
public enum Score {
LOVE(0, "Love"), FIFTEEN(1, "Fifteen"), THIRTY(2, "Thirty"), FORTY(3, "Forty");
private final int points;
private final String label;
Score(int points, String label) {
this.points = points;
thi... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/richdomainmodel/Player.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/richdomainmodel/Player.java | package com.baeldung.pattern.richdomainmodel;
public class Player {
private int points ;
final String name;
public Player(String name) {
this(name, 0);
}
private Player(String name, int points) {
this.name = name;
this.points = 0;
}
public void gainPoint() {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/CleanArchitectureApplication.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/CleanArchitectureApplication.java | package com.baeldung.pattern.cleanarchitecture;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
impo... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserResponseModel.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserResponseModel.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
public class UserResponseModel {
String login;
String creationTime;
public UserResponseModel(String login, String creationTime) {
this.login = login;
this.creationTime = creationTime;
}
public String getLogin() {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserDsRequestModel.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserDsRequestModel.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
import java.time.LocalDateTime;
class UserDsRequestModel {
String name;
String password;
LocalDateTime creationTime;
public UserDsRequestModel(String name, String password, LocalDateTime creationTime) {
this.name = name;
th... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserRequestModel.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserRequestModel.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
class UserRequestModel {
String name;
String password;
public UserRequestModel() {
super();
}
UserRequestModel(String name, String password) {
super();
this.name = name;
this.password = password;
}
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserInputBoundary.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserInputBoundary.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
public interface UserInputBoundary {
UserResponseModel create(UserRequestModel requestModel);
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/JpaUser.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/JpaUser.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
class JpaUser implements UserRegisterDsGateway {
final JpaUserRepository repository;
JpaUser(JpaUserRepository repository) {
this.repository = repository;
}
@Override
public boolean existsByName(String name) {
return re... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserDataMapper.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserDataMapper.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
import java.time.LocalDateTime;
import jakarta.persistence.Entity;
import jakarta.persistence.Id;
import jakarta.persistence.Table;
@Entity
@Table(name = "user")
class UserDataMapper {
@Id
String name;
String password;
LocalDateTime crea... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserPresenter.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserPresenter.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
interface UserPresenter {
UserResponseModel prepareSuccessView(UserResponseModel user);
UserResponseModel prepareFailView(String error);
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserRegisterInteractor.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserRegisterInteractor.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
import java.time.LocalDateTime;
class UserRegisterInteractor implements UserInputBoundary {
final UserRegisterDsGateway userDsGateway;
final UserPresenter userPresenter;
final UserFactory userFactory;
UserRegisterInteractor(UserRegisterDsG... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserResponseFormatter.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserResponseFormatter.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import org.springframework.http.HttpStatus;
import org.springframework.web.server.ResponseStatusException;
class UserResponseFormatter implements UserPresenter {
@Override
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/User.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/User.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
interface User {
boolean passwordIsValid();
String getName();
String getPassword();
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserRegisterController.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserRegisterController.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
@RestController
class UserRegisterController {
final UserInputBoundar... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserRegisterDsGateway.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserRegisterDsGateway.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
interface UserRegisterDsGateway {
boolean existsByName(String identifier);
void save(UserDsRequestModel requestModel);
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/CommonUser.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/CommonUser.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
class CommonUser implements User {
String name;
String password;
CommonUser(String name, String password) {
this.name = name;
this.password = password;
}
CommonUser() {
}
@Override
public boolean passwordIs... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/JpaUserRepository.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/JpaUserRepository.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
@Repository
interface JpaUserRepository extends JpaRepository<UserDataMapper, String> {
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/CommonUserFactory.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/CommonUserFactory.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
class CommonUserFactory implements UserFactory {
@Override
public User create(String name, String password) {
return new CommonUser(name, password);
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserFactory.java | patterns-modules/clean-architecture/src/main/java/com/baeldung/pattern/cleanarchitecture/usercreation/UserFactory.java | package com.baeldung.pattern.cleanarchitecture.usercreation;
interface UserFactory {
User create(String name, String password);
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/design-patterns-structural-2/src/test/java/com/baeldung/bridge/BridgePatternIntegrationTest.java | patterns-modules/design-patterns-structural-2/src/test/java/com/baeldung/bridge/BridgePatternIntegrationTest.java | package com.baeldung.bridge;
import static org.junit.Assert.*;
import org.junit.Test;
public class BridgePatternIntegrationTest {
@Test
public void whenBridgePatternInvoked_thenConfigSuccess() {
//a square with red color
Shape square = new Square(new Red());
assertEquals(square.draw... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/design-patterns-structural-2/src/test/java/com/baeldung/proxy/ProxyPatternIntegrationTest.java | patterns-modules/design-patterns-structural-2/src/test/java/com/baeldung/proxy/ProxyPatternIntegrationTest.java | package com.baeldung.proxy;
import static com.baeldung.util.LoggerUtil.LOG;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import java.util.List;
import org.apache.log4j.spi.LoggingEvent;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class Pro... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/design-patterns-structural-2/src/test/java/com/baeldung/proxy/TestAppenderDP.java | patterns-modules/design-patterns-structural-2/src/test/java/com/baeldung/proxy/TestAppenderDP.java | package com.baeldung.proxy;
import java.util.ArrayList;
import java.util.List;
import org.apache.log4j.AppenderSkeleton;
import org.apache.log4j.spi.LoggingEvent;
public class TestAppenderDP extends AppenderSkeleton {
private final List<LoggingEvent> log = new ArrayList<LoggingEvent>();
@Override
public... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/design-patterns-structural-2/src/test/java/com/baeldung/pipeline/FunctionPipelineUnitTest.java | patterns-modules/design-patterns-structural-2/src/test/java/com/baeldung/pipeline/FunctionPipelineUnitTest.java | package com.baeldung.pipeline;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.util.function.Function;
import org.junit.jupiter.api.Test;
class FunctionPipelineUnitTest {
@Test
void whenCombiningThreeFunctions_andInitializingPipeline_thenResultIsCorrect() {
Function<Integer... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/design-patterns-structural-2/src/test/java/com/baeldung/pipeline/PipeUnitTest.java | patterns-modules/design-patterns-structural-2/src/test/java/com/baeldung/pipeline/PipeUnitTest.java | package com.baeldung.pipeline;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.jupiter.api.Test;
import com.baeldung.pipeline.pipes.Pipe;
class PipeUnitTest {
@Test
void whenCombiningThreePipes_andInitializingPipeline_thenResultIsCorrect() {
Pipe<Integer, Integer> square ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/design-patterns-structural-2/src/test/java/com/baeldung/pipeline/BiFunctionPipelineUnitTest.java | patterns-modules/design-patterns-structural-2/src/test/java/com/baeldung/pipeline/BiFunctionPipelineUnitTest.java | package com.baeldung.pipeline;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.util.function.BiFunction;
import java.util.function.Function;
import org.junit.jupiter.api.Test;
class BiFunctionPipelineUnitTest {
@Test
void whenCombiningFunctionAndBiFunctions_andInitializingPipeline_... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/design-patterns-structural-2/src/test/java/com/baeldung/pipeline/PipelineUnitTest.java | patterns-modules/design-patterns-structural-2/src/test/java/com/baeldung/pipeline/PipelineUnitTest.java | package com.baeldung.pipeline;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.jupiter.api.Test;
import com.baeldung.pipeline.immutable.Pipe;
import com.baeldung.pipeline.immutable.Pipeline;
class PipelineUnitTest {
@Test
void whenCombiningThreePipes_andInitializingPipeline_thenR... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/design-patterns-structural-2/src/main/java/com/baeldung/bridge/Triangle.java | patterns-modules/design-patterns-structural-2/src/main/java/com/baeldung/bridge/Triangle.java | package com.baeldung.bridge;
public class Triangle extends Shape {
public Triangle(Color color) {
super(color);
}
@Override
public String draw() {
return "Triangle drawn. "+ color.fill();
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/design-patterns-structural-2/src/main/java/com/baeldung/bridge/Square.java | patterns-modules/design-patterns-structural-2/src/main/java/com/baeldung/bridge/Square.java | package com.baeldung.bridge;
public class Square extends Shape {
public Square(Color color) {
super(color);
}
@Override
public String draw() {
return "Square drawn. " + color.fill();
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/design-patterns-structural-2/src/main/java/com/baeldung/bridge/Shape.java | patterns-modules/design-patterns-structural-2/src/main/java/com/baeldung/bridge/Shape.java | package com.baeldung.bridge;
public abstract class Shape {
protected Color color;
public Shape(Color color) {
this.color = color;
}
abstract public String draw();
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/patterns-modules/design-patterns-structural-2/src/main/java/com/baeldung/bridge/Red.java | patterns-modules/design-patterns-structural-2/src/main/java/com/baeldung/bridge/Red.java | package com.baeldung.bridge;
public class Red implements Color {
@Override
public String fill() {
return "Color is Red";
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
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