DATACMNS-1101 - Remove getPersistentProperties/Associations from PersistentEntity.

Remove lately introduced getPersistentProperties / getAssociations and rather extend Iterable<? extends PersistentProperty<P>>

src/main/java/org/springframework/data/mapping/PersistentEntity.java

@@ -31,7 +31,7 @@ import org.springframework.data.util.TypeInformation;
  * @author Mark Paluch
  * @author Christoph Strobl
  */
-public interface PersistentEntity<T, P extends PersistentProperty<P>> {
+public interface PersistentEntity<T, P extends PersistentProperty<P>> extends Iterable<P> {
 
 	/**
 	 * The entity name including any package prefix.
@@ -224,14 +224,6 @@ public interface PersistentEntity<T, P extends PersistentProperty<P>> {
 
 	void doWithProperties(SimplePropertyHandler handler);
 
-	/**
-	 * Get {@link Iterable}
-	 * 
-	 * @return
-	 * @since 2.0
-	 */
-	Iterable<P> getPersistentProperties();
-
 	/**
 	 * Applies the given {@link AssociationHandler} to all {@link Association} contained in this {@link PersistentEntity}.
 	 *
@@ -241,8 +233,6 @@ public interface PersistentEntity<T, P extends PersistentProperty<P>> {
 
 	void doWithAssociations(SimpleAssociationHandler handler);
 
-	Iterable<Association<P>> getAssociations();
-
 	/**
 	 * Looks up the annotation of the given type on the {@link PersistentEntity}.
 	 *

src/main/java/org/springframework/data/mapping/model/BasicPersistentEntity.java

@@ -25,6 +25,7 @@ import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
@@ -353,15 +354,6 @@ public class BasicPersistentEntity<T, P extends PersistentProperty<P>> implement
 		}
 	}
 
-	/*
-	 * (non-Javadoc)
-	 * @see org.springframework.data.mapping.PersistentEntity#getPersistentProperties()
-	 */
-	@Override
-	public List<P> getPersistentProperties() {
-		return Collections.unmodifiableList(persistentPropertiesCache);
-	}
-
 	/*
 	 * (non-Javadoc)
 	 * @see org.springframework.data.mapping.PersistentEntity#doWithAssociations(org.springframework.data.mapping.AssociationHandler)
@@ -388,15 +380,6 @@ public class BasicPersistentEntity<T, P extends PersistentProperty<P>> implement
 		}
 	}
 
-	/*
-	 * (non-Javadoc)
-	 * @see org.springframework.data.mapping.PersistentEntity#getAssociations()
-	 */
-	@Override
-	public Set<Association<P>> getAssociations() {
-		return Collections.unmodifiableSet(associations);
-	}
-
 	/*
 	 * (non-Javadoc)
 	 * @see org.springframework.data.mapping.PersistentEntity#findAnnotation(java.lang.Class)
@@ -471,6 +454,11 @@ public class BasicPersistentEntity<T, P extends PersistentProperty<P>> implement
 		return hasIdProperty() ? new IdPropertyIdentifierAccessor(this, bean) : new AbsentIdentifierAccessor(bean);
 	}
 
+	@Override
+	public Iterator<P> iterator() {
+		return Collections.unmodifiableList(properties).iterator();
+	}
+
 	/**
 	 * Calculates the {@link Alias} to be used for the given type.
 	 *

src/test/java/org/springframework/data/mapping/context/AbstractMappingContextUnitTests.java

@@ -155,7 +155,7 @@ public class AbstractMappingContextUnitTests {
 
 		assertThat(entity.getPersistentProperty("persons"))
 				.satisfies(it -> assertThat(mappingContext.getPersistentEntity(it))
-						.satisfies(inner -> assertThat(inner.getType()).isEqualTo(Person.class)));
+						.satisfies(inner -> assertThat(((PersistentEntity)inner).getType()).isEqualTo(Person.class)));
 	}
 
 	@Test // DATACMNS-380