/*******************************************************************************
* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* 24 April 2013-2.5.1 ailitche
* SerializedObjectPolicy initial API and implementation
******************************************************************************/
package org.eclipse.persistence.internal.descriptors;
import org.eclipse.persistence.descriptors.ClassDescriptor;
import org.eclipse.persistence.descriptors.SerializedObjectPolicy;
import org.eclipse.persistence.exceptions.DescriptorException;
import org.eclipse.persistence.internal.helper.DatabaseField;
import org.eclipse.persistence.internal.sessions.AbstractSession;
/**
* The base class for SerializedObjectPolicy.
*
* @author Andrei Ilitchev
* @since EclipseLink 2.5.1
*/
public abstract class AbstractSerializedObjectPolicy implements SerializedObjectPolicy {
protected ClassDescriptor descriptor;
protected DatabaseField field;
@Override
public ClassDescriptor getDescriptor() {
return this.descriptor;
}
@Override
public void setDescriptor(ClassDescriptor descriptor) {
this.descriptor = descriptor;
}
@Override
public DatabaseField getField() {
return this.field;
}
@Override
public void setField(DatabaseField field) {
this.field = field;
}
@Override
public void initializeField(AbstractSession session) {
if (this.field == null) {
session.getIntegrityChecker().handleError(DescriptorException.serializedObjectPolicyFieldNotSet(this.descriptor));
return;
}
if (this.descriptor.isChildDescriptor()) {
SerializedObjectPolicy parentPolicy = this.descriptor.getInheritancePolicy().getParentDescriptor().getSerializedObjectPolicy();
if (parentPolicy != null && parentPolicy.getField() == this.field) {
return;
}
}
this.field = this.descriptor.buildField(this.field);
this.descriptor.getFields().add(this.field);
}
@Override
public AbstractSerializedObjectPolicy clone() {
try {
return (AbstractSerializedObjectPolicy) super.clone();
} catch (CloneNotSupportedException exception) {
throw new InternalError(exception.getMessage());
}
}
}