| /* |
| * Copyright (c) 2013, 2020 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 v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // 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()); |
| } |
| } |
| } |