/*
* 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.action.execution;
import java.io.Serializable;
import org.eurekastreams.commons.actions.ExecutionStrategy;
import org.eurekastreams.commons.actions.context.ActionContext;
import org.eurekastreams.server.persistence.mappers.DomainMapper;
import org.eurekastreams.server.persistence.mappers.cache.Transformer;
/**
* Executes a configured {@link DomainMapper} with provided params.
*/
public class ExecuteDomainMapperExecution implements ExecutionStrategy<ActionContext>
{
/**
* {@link DomainMapper}.
*/
private final DomainMapper<Serializable, Serializable> domainMapper;
/** Strategy to supply mapper parameters from the action context. */
private final Transformer<ActionContext, Serializable> parameterSupplier;
/**
* Constructor.
*
* @param inParameterSupplier
* Strategy to supply mapper parameters from the action context.
* @param inDomainMapper
* {@link DomainMapper}.
*/
public ExecuteDomainMapperExecution(final Transformer<ActionContext, Serializable> inParameterSupplier,
final DomainMapper<Serializable, Serializable> inDomainMapper)
{
parameterSupplier = inParameterSupplier;
domainMapper = inDomainMapper;
}
/**
* Executes a configured {@link DomainMapper} with provided params.
*
* @param inActionContext
* {@link ActionContext}.
* @return {@link DomainMapper} results.
*/
@Override
public Serializable execute(final ActionContext inActionContext)
{
Serializable param = parameterSupplier.transform(inActionContext);
return domainMapper.execute(param);
}
}