/*
* Copyright (c) 2010-2011 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 java.io.Serializable;
import org.eurekastreams.server.persistence.mappers.cache.Transformer;
/**
* Transformer that wraps a DomainMapper.
*/
public class DomainMapperTransformer implements DomainMapper<Serializable, Serializable>
{
/**
* The mapper to wrap.
*/
private DomainMapper<Serializable, Serializable> domainMapper;
/**
* The transformer to transform the mapper results.
*/
private Transformer<Serializable, Serializable> transformer;
/**
* Constructor.
*
* @param inDomainMapper
* the mapper to wrap
* @param inTransformer
* the transformer to transform the mapper results
*/
public DomainMapperTransformer(final DomainMapper<Serializable, Serializable> inDomainMapper,
final Transformer<Serializable, Serializable> inTransformer)
{
domainMapper = inDomainMapper;
transformer = inTransformer;
}
/**
* Call the wrapped mapper, transform and return the results.
*
* @param inRequest
* the request to pass into the mapper
* @return transformed results from the mapper
*/
@Override
public Serializable execute(final Serializable inRequest)
{
Serializable results = domainMapper.execute(inRequest);
return transformer.transform(results);
}
}