Refine customization of EntityInformation.

We now provide a getEntityInformation(RepositoryMetadata) customization hook for EntityInformation creation as several modules require access to RepositoryMetadata details (such as the Id type).

Closes #3288

Author: mp911de

src/main/java/org/springframework/data/repository/core/support/RepositoryFactoryBeanSupport.java

@@ -261,7 +261,7 @@ public void setApplicationEventPublisher(ApplicationEventPublisher publisher) {
 	@SuppressWarnings("unchecked")
 	public EntityInformation<S, ID> getEntityInformation() {
 		return (EntityInformation<S, ID>) getRequiredFactory()
-				.getEntityInformation(getRequiredRepositoryMetadata().getDomainType());
+				.getEntityInformation(getRequiredRepositoryMetadata());
 	}
 
 	@Override

src/main/java/org/springframework/data/repository/core/support/RepositoryFactorySupport.java

@@ -534,8 +534,23 @@ protected ProjectionFactory getProjectionFactory() {
 	 * @param <ID> the id type
 	 * @param domainClass
 	 * @return
+	 * @deprecated since 4.0, use {@link #getEntityInformation(RepositoryMetadata)} instead.
 	 */
-	public abstract <T, ID> EntityInformation<T, ID> getEntityInformation(Class<T> domainClass);
+	@Deprecated(since = "4.0")
+	public <T, ID> EntityInformation<T, ID> getEntityInformation(Class<T> domainClass) {
+		throw new UnsupportedOperationException("getEntityInformation is not implemented");
+	}
+
+	/**
+	 * Returns the {@link EntityInformation} for the given {@link RepositoryMetadata}.
+	 *
+	 * @param metadata must not be {@literal null}.
+	 * @return the {@link EntityInformation} to be used for {@link RepositoryMetadata}.
+	 * @since 4.0
+	 */
+	public EntityInformation<?, ?> getEntityInformation(RepositoryMetadata metadata) {
+		return getEntityInformation(metadata.getDomainType());
+	}
 
 	/**
 	 * Create a repository instance as backing for the query proxy.

src/test/java/org/springframework/data/repository/core/support/DummyReactiveRepositoryFactory.java

@@ -54,8 +54,7 @@ public DummyReactiveRepositoryFactory(Object repository) {
 	}
 
 	@Override
-	@SuppressWarnings("unchecked")
-	public <T, ID> EntityInformation<T, ID> getEntityInformation(Class<T> domainClass) {
+	public EntityInformation<?, ?> getEntityInformation(RepositoryMetadata metadata) {
 		return mock(EntityInformation.class);
 	}
 

src/test/java/org/springframework/data/repository/core/support/DummyRepositoryFactory.java

@@ -77,8 +77,7 @@ public DummyRepositoryFactory(Object repository) {
 	}
 
 	@Override
-	@SuppressWarnings("unchecked")
-	public <T, ID> EntityInformation<T, ID> getEntityInformation(Class<T> domainClass) {
+	public EntityInformation<?, ?> getEntityInformation(RepositoryMetadata metadata) {
 		return mock(EntityInformation.class);
 	}
 

src/test/java/org/springframework/data/repository/core/support/ReactiveDummyRepositoryFactory.java

@@ -77,8 +77,7 @@ public ReactiveDummyRepositoryFactory(Object repository) {
 	}
 
 	@Override
-	@SuppressWarnings("unchecked")
-	public <T, ID> EntityInformation<T, ID> getEntityInformation(Class<T> domainClass) {
+	public EntityInformation<?, ?> getEntityInformation(RepositoryMetadata metadata) {
 		return mock(EntityInformation.class);
 	}