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BasicTypeMutabilityPlanAdapter.java
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/
BasicTypeMutabilityPlanAdapter.java
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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
*/
package org.hibernate.type.internal;
import java.io.Serializable;
import java.util.Map;
import org.hibernate.bytecode.enhance.spi.LazyPropertyInitializer;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.type.BasicType;
import org.hibernate.type.descriptor.java.MutabilityPlan;
/**
* @author Steve Ebersole
*/
public class BasicTypeMutabilityPlanAdapter<T> implements MutabilityPlan<T> {
private final BasicType basicType;
public BasicTypeMutabilityPlanAdapter(BasicType basicType) {
this.basicType = basicType;
}
@Override
public boolean isMutable() {
return basicType.isMutable();
}
@Override
@SuppressWarnings("unchecked")
public T deepCopy(T value) {
return (T) basicType.deepCopy( value );
}
@Override
public Serializable disassemble(T value) {
return basicType.disassemble( value );
}
@Override
@SuppressWarnings("unchecked")
public T assemble(Serializable cached) {
return (T) basicType.assemble( cached );
}
@Override
@SuppressWarnings("unchecked")
public T replace(
T originalValue,
T targetValue,
Object owner,
Map copyCache,
SessionImplementor session) {
if ( originalValue == LazyPropertyInitializer.UNFETCHED_PROPERTY ) {
return targetValue;
}
else if ( !isMutable() ||
( targetValue == LazyPropertyInitializer.UNFETCHED_PROPERTY &&
basicType.getJavaTypeDescriptor().areEqual( originalValue, targetValue ) ) ) {
return originalValue;
}
else {
return deepCopy( originalValue );
}
}
}