MWTransactionalProjectDefaultsPolicy.java

/*******************************************************************************
 * Copyright (c) 1998, 2015 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:
 *     Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.mappingsmodel.project;

import org.eclipse.persistence.tools.workbench.mappingsmodel.MWModel;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.MWCachingPolicy;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.MWMappingDescriptor;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.MWTransactionalDescriptor;

/**
 * Describes the Project Defaults for a Transactional Project.
 *
 *  @version 10.1.3
 */
public abstract class MWTransactionalProjectDefaultsPolicy extends MWProjectDefaultsPolicy
{
    public static final String EVENTS_POLICY = "Events";
    public static final String RETURNING_POLICY = "Returning";

    protected MWTransactionalProjectDefaultsPolicy()
    {
        super();
    }

    public MWTransactionalProjectDefaultsPolicy(MWModel parent)
    {
        super(parent);
    }

    protected MWCachingPolicy buildCachingPolicy()
    {
        return new MWTransactionalProjectCachingPolicy(this);
    }

    protected void initializePolicyDescriptors()
    {
        super.initializePolicyDescriptors();
        addPolicyDescriptor(EVENTS_POLICY, new EventsPolicyDescriptor());
        addPolicyDescriptor(RETURNING_POLICY, new ReturningPolicyDescriptor());
    }

    private class EventsPolicyDescriptor implements PolicyDescriptor
    {
        public void applyPolicyToDescriptor(MWMappingDescriptor descriptor) {
            if (!descriptor.getEventsPolicy().isActive()) {
                descriptor.addEventsPolicy();
            }
        }
    }

    private class ReturningPolicyDescriptor implements PolicyDescriptor
    {
        public void applyPolicyToDescriptor(MWMappingDescriptor descriptor) {
            if (descriptor.supportsReturningPolicy()) {
                ((MWTransactionalDescriptor) descriptor).addReturningPolicy();
            }
        }
    }

}