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fix NPE when identifier is not a property 

git-svn-id: https://svn.jboss.org/repos/hibernate/core/trunk@17260 1b8cb986-b30d-0410-93ca-fae66ebed9b2
This commit is contained in:
Emmanuel Bernard 2009-08-11 00:53:08 +00:00
parent 0f8a36a269
commit 558fcd635a
1 changed files with 24 additions and 12 deletions
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12
entitymanager/src/main/java/org/hibernate/ejb/metamodel/EntityTypeImpl.java
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@ -49,6 +49,7 @@ public class EntityTypeImpl<X> extends ManagedTypeImpl<X> implements EntityType<
}
private <A> SingularAttribute<X, A> buildIdAttribute(PersistentClass persistentClass) {
if ( hasIdentifierProperty ) {
final Property identifierProperty = persistentClass.getIdentifierProperty();
@SuppressWarnings( "unchecked" )
Class<A> idClass = identifierProperty.getType().getReturnedClass();
@ -62,6 +63,10 @@ public class EntityTypeImpl<X> extends ManagedTypeImpl<X> implements EntityType<
.id()
.build();
}
else {
return null;
}
}
private <A> SingularAttribute<X, A> buildVersionAttribute(PersistentClass persistentClass) {
if ( persistentClass.isVersioned() ) {
@ -101,11 +106,16 @@ public class EntityTypeImpl<X> extends ManagedTypeImpl<X> implements EntityType<
public <Y> SingularAttribute<? super X, Y> getId(Class<Y> type) {
//TODO check that type and id.getJavaType() are related
checkId();
@SuppressWarnings( "unchecked")
final SingularAttribute<? super X, Y> result = ( SingularAttribute<? super X, Y> ) id;
return result;
}
private void checkId() {
if ( ! hasSingleIdAttribute() ) throw new IllegalArgumentException("This is an @IdClass");
}
public <Y> SingularAttribute<? super X, Y> getVersion(Class<Y> type) {
//TODO check that type and version.getJavaType() are related
@SuppressWarnings( "unchecked")
@ -114,6 +124,7 @@ public class EntityTypeImpl<X> extends ManagedTypeImpl<X> implements EntityType<
}
public <Y> SingularAttribute<X, Y> getDeclaredId(Class<Y> type) {
checkId();
//TODO check that type and id.getJavaType() are related
@SuppressWarnings("unchecked")
final SingularAttribute<X, Y> result = ( SingularAttribute<X, Y> ) id;
@ -147,6 +158,7 @@ public class EntityTypeImpl<X> extends ManagedTypeImpl<X> implements EntityType<
}
public Type<?> getIdType() {
checkId();
return id.getType();
}