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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 .
 */
package org.hibernate.property.access.spi;

import java.io.Serializable;
import java.lang.reflect.Field;

import org.hibernate.bytecode.enhance.spi.interceptor.BytecodeLazyAttributeInterceptor;
import org.hibernate.engine.spi.CompositeOwner;
import org.hibernate.engine.spi.CompositeTracker;
import org.hibernate.engine.spi.PersistentAttributeInterceptable;
import org.hibernate.engine.spi.PersistentAttributeInterceptor;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.property.access.internal.AbstractFieldSerialForm;

/**
 * A specialized Setter implementation for handling setting values into
 * a bytecode-enhanced Class.  The reason we need specialized handling
 * is to render the fact that we need to account for certain enhancement features
 * during the setting process.
 *
 * @author Steve Ebersole
 * @author Luis Barreiro
 */
public class EnhancedSetterImpl extends SetterFieldImpl {
	private final String propertyName;

	@SuppressWarnings("rawtypes")
	public EnhancedSetterImpl(Class containerClass, String propertyName, Field field) {
		super( containerClass, propertyName, field );
		this.propertyName = propertyName;
	}

	@Override
	public void set(Object target, Object value, SessionFactoryImplementor factory) {

		super.set( target, value, factory );

		// This sets the component relation for dirty tracking purposes
		if ( target instanceof CompositeOwner && value instanceof CompositeTracker ) {
			( (CompositeTracker) value ).$$_hibernate_setOwner( propertyName, (CompositeOwner) target );
		}

		// This marks the attribute as initialized, so it doesn't get lazy loaded afterwards
		if ( target instanceof PersistentAttributeInterceptable ) {
			PersistentAttributeInterceptor interceptor = ( (PersistentAttributeInterceptable) target ).$$_hibernate_getInterceptor();
			if ( interceptor instanceof BytecodeLazyAttributeInterceptor ) {
				( (BytecodeLazyAttributeInterceptor) interceptor ).attributeInitialized( propertyName );
			}
		}
	}


	// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
	// serialization

	private Object writeReplace() {
		return new SerialForm( getContainerClass(), propertyName, getField() );
	}

	@SuppressWarnings("rawtypes")
	private static class SerialForm extends AbstractFieldSerialForm implements Serializable {
		private final Class containerClass;
		private final String propertyName;


		private SerialForm(Class containerClass, String propertyName, Field field) {
			super( field );
			this.containerClass = containerClass;
			this.propertyName = propertyName;
		}

		private Object readResolve() {
			return new EnhancedSetterImpl( containerClass, propertyName, resolveField() );
		}
	}
}