/*
* Copyright (c) 2009-2010 Lockheed Martin Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.eurekastreams.server.persistence.mappers;
import org.eurekastreams.commons.model.DomainEntity;
import org.eurekastreams.server.persistence.mappers.requests.PersistenceRequest;
/**
* Mapper used for updating DomainEntities.
*
* @param <TDomainEntityType>
* Type of DomainEntity.
*/
@SuppressWarnings("unchecked")
public class UpdateMapper<TDomainEntityType extends DomainEntity> extends
BaseArgDomainMapper<PersistenceRequest, Boolean>
{
/**
* Additional updater to use, or ignore if null.
*/
private DomainMapper<PersistenceRequest, Boolean> wrappedUpdater;
/**
* Empty constructor when no wrapped updater.
*/
public UpdateMapper()
{
}
/**
* Constructor with a wrapped updater to call after calling self.
*
* @param inWrappedUpdater
* the updater to call after self
*/
public UpdateMapper(final DomainMapper<PersistenceRequest, Boolean> inWrappedUpdater)
{
wrappedUpdater = inWrappedUpdater;
}
/**
* Updates the DomainEntity.
*
* @param inRequest
* The MapperRequest.
* @return true.
*/
public Boolean execute(final PersistenceRequest inRequest)
{
flush();
if (wrappedUpdater != null)
{
wrappedUpdater.execute(inRequest);
}
return true;
}
}