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hibernate-orm
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HHH-16777 add typesafe version of Hibernate.isPropertyInitialized() 

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Gavin 2023-06-11 09:43:18 +02:00 committed by Gavin King
parent e6ec43f257
commit 45133f1df2
1 changed files with 19 additions and 5 deletions
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24
hibernate-core/src/main/java/org/hibernate/Hibernate.java
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@ -19,6 +19,7 @@ import java.util.TreeMap;
import java.util.TreeSet; import java.util.TreeSet;
import java.util.function.Supplier; import java.util.function.Supplier;
import jakarta.persistence.metamodel.Attribute;
import org.hibernate.bytecode.enhance.spi.interceptor.BytecodeLazyAttributeInterceptor; import org.hibernate.bytecode.enhance.spi.interceptor.BytecodeLazyAttributeInterceptor;
import org.hibernate.bytecode.enhance.spi.interceptor.EnhancementAsProxyLazinessInterceptor; import org.hibernate.bytecode.enhance.spi.interceptor.EnhancementAsProxyLazinessInterceptor;
import org.hibernate.collection.spi.PersistentBag; import org.hibernate.collection.spi.PersistentBag;
@ -272,6 +273,18 @@ public final class Hibernate {
|| entityClass.isAssignableFrom( getClass( proxy ) ); || entityClass.isAssignableFrom( getClass( proxy ) );
} }
/**
* Determines if the given attribute of the given entity instance is initialized.
*
* @param entity The entity instance or proxy
* @param attribute A persistent attribute of the entity
* @return true if the named property of the object is not listed as uninitialized;
* false otherwise
*/
public <E, T> boolean isPropertyInitialized(E entity, Attribute<E, T> attribute) {
return isPropertyInitialized( entity, attribute.getName() );
}
/** /**
* Determines if the property with the given name of the given entity instance is * Determines if the property with the given name of the given entity instance is
* initialized. If the named property does not exist or is not persistent, this * initialized. If the named property does not exist or is not persistent, this
@ -279,12 +292,12 @@ public final class Hibernate {
* <p> * <p>
* This operation is equivalent to {@link jakarta.persistence.PersistenceUtil#isLoaded(Object, String)}. * This operation is equivalent to {@link jakarta.persistence.PersistenceUtil#isLoaded(Object, String)}.
* *
* @param proxy The potential proxy * @param proxy The entity instance or proxy
* @param propertyName the name of a persistent attribute of the object * @param attributeName the name of a persistent attribute of the object
* @return true if the named property of the object is not listed as uninitialized; * @return true if the named property of the object is not listed as uninitialized;
* false otherwise * false otherwise
*/ */
public static boolean isPropertyInitialized(Object proxy, String propertyName) { public static boolean isPropertyInitialized(Object proxy, String attributeName) {
final Object entity; final Object entity;
final LazyInitializer lazyInitializer = extractLazyInitializer( proxy ); final LazyInitializer lazyInitializer = extractLazyInitializer( proxy );
if ( lazyInitializer != null ) { if ( lazyInitializer != null ) {
@ -300,9 +313,10 @@ public final class Hibernate {
} }
if ( isPersistentAttributeInterceptable( entity ) ) { if ( isPersistentAttributeInterceptable( entity ) ) {
PersistentAttributeInterceptor interceptor = asPersistentAttributeInterceptable( entity ).$$_hibernate_getInterceptor(); PersistentAttributeInterceptor interceptor =
asPersistentAttributeInterceptable( entity ).$$_hibernate_getInterceptor();
if ( interceptor instanceof BytecodeLazyAttributeInterceptor ) { if ( interceptor instanceof BytecodeLazyAttributeInterceptor ) {
return ( (BytecodeLazyAttributeInterceptor) interceptor ).isAttributeLoaded( propertyName ); return ( (BytecodeLazyAttributeInterceptor) interceptor ).isAttributeLoaded( attributeName );
} }
} }