HHH-14843 Adding a test for the issue

hibernate-core/src/test/java/org/hibernate/serialization/CacheKeyEmbeddedIdEnanchedTest.java

@@ -0,0 +1,86 @@
+package org.hibernate.serialization;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.util.Map;
+
+import org.hibernate.cache.internal.DefaultCacheKeysFactory;
+import org.hibernate.cache.internal.SimpleCacheKeysFactory;
+import org.hibernate.cache.spi.CacheKeysFactory;
+import org.hibernate.cfg.Environment;
+import org.hibernate.persister.entity.EntityPersister;
+import org.hibernate.serialization.entity.BuildRecord;
+import org.hibernate.serialization.entity.BuildRecordId;
+
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.bytecode.enhancement.BytecodeEnhancerRunner;
+import org.hibernate.testing.bytecode.enhancement.EnhancementOptions;
+import org.hibernate.testing.cache.CachingRegionFactory;
+import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+@RunWith(BytecodeEnhancerRunner.class)
+@EnhancementOptions(lazyLoading = true, inlineDirtyChecking = true)
+@TestForIssue( jiraKey = "HHH-14843")
+public class CacheKeyEmbeddedIdEnanchedTest extends BaseNonConfigCoreFunctionalTestCase {
+
+	@Override
+	protected void addSettings(Map settings) {
+		settings.put( Environment.USE_SECOND_LEVEL_CACHE, "true" );
+		settings.put( Environment.CACHE_REGION_FACTORY, CachingRegionFactory.class.getName() );
+		settings.put( Environment.DEFAULT_CACHE_CONCURRENCY_STRATEGY, "transactional" );
+		settings.put( "javax.persistence.sharedCache.mode", "ALL" );
+		settings.put( Environment.CACHE_KEYS_FACTORY, DefaultCacheKeysFactory.INSTANCE.getClass().getName() );
+	}
+
+	@Override
+	public Class<?>[] getAnnotatedClasses() {
+		return new Class<?>[] { BuildRecord.class };
+	}
+
+	@Test
+	public void testDefaultCacheKeysFactorySerialization() throws Exception {
+		testId( DefaultCacheKeysFactory.INSTANCE, BuildRecord.class.getName(), new BuildRecordId( 2l ) );
+	}
+
+	@Test
+	public void testSimpleCacheKeysFactorySerialization() throws Exception {
+		testId( SimpleCacheKeysFactory.INSTANCE, BuildRecord.class.getName(), new BuildRecordId( 2l ) );
+	}
+
+	private void testId(CacheKeysFactory cacheKeysFactory, String entityName, Object id) throws Exception {
+		final EntityPersister persister = sessionFactory().getMetamodel().entityPersister( entityName );
+		final Object key = cacheKeysFactory.createEntityKey(
+				id,
+				persister,
+				sessionFactory(),
+				null
+		);
+
+		final ByteArrayOutputStream baos = new ByteArrayOutputStream();
+		final ObjectOutputStream oos = new ObjectOutputStream( baos );
+		oos.writeObject( key );
+
+		final ObjectInputStream ois = new ObjectInputStream( new ByteArrayInputStream( baos.toByteArray() ) );
+		final Object keyClone = ois.readObject();
+
+		assertEquals( key, keyClone );
+		assertEquals( keyClone, key );
+
+		assertEquals( key.hashCode(), keyClone.hashCode() );
+
+		final Object idClone = cacheKeysFactory.getEntityId( keyClone );
+
+		assertEquals( id.hashCode(), idClone.hashCode() );
+		assertEquals( id, idClone );
+		assertEquals( idClone, id );
+		assertTrue( persister.getIdentifierType().isEqual( id, idClone, sessionFactory() ) );
+		assertTrue( persister.getIdentifierType().isEqual( idClone, id, sessionFactory() ) );
+	}
+}

hibernate-core/src/test/java/org/hibernate/serialization/entity/BuildRecord.java

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+package org.hibernate.serialization.entity;
+
+import javax.persistence.EmbeddedId;
+import javax.persistence.Entity;
+
+@Entity
+public class BuildRecord {
+
+	@EmbeddedId
+	private BuildRecordId id;
+
+	private String name;
+
+	public BuildRecordId getId() {
+		return id;
+	}
+
+	public void setId(BuildRecordId id) {
+		this.id = id;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+}

hibernate-core/src/test/java/org/hibernate/serialization/entity/BuildRecordId.java

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+package org.hibernate.serialization.entity;
+
+import java.io.Serializable;
+import java.util.Objects;
+import javax.persistence.Embeddable;
+
+@Embeddable
+public class BuildRecordId implements Serializable {
+	private long id;
+
+	public BuildRecordId() {
+	}
+
+	public BuildRecordId(long id) {
+		this.id = id;
+	}
+
+	public long getId() {
+		return id;
+	}
+
+	public void setId(long id) {
+		this.id = id;
+	}
+
+	@Override
+	public boolean equals(Object o) {
+		if ( this == o ) {
+			return true;
+		}
+		if ( o == null || getClass() != o.getClass() ) {
+			return false;
+		}
+		BuildRecordId longId = (BuildRecordId) o;
+		return id == longId.id;
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash( id );
+	}
+
+}