/*
* 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.stream;
import java.io.Serializable;
import org.eurekastreams.commons.actions.ExecutionStrategy;
import org.eurekastreams.commons.actions.context.PrincipalActionContext;
import org.eurekastreams.commons.exceptions.ExecutionException;
import org.eurekastreams.server.persistence.mappers.DomainMapper;
import org.eurekastreams.server.persistence.mappers.requests.DeleteStreamRequest;
/**
* Delete a stream for the current user.
*/
public class DeleteStreamForCurrentUserExecution implements ExecutionStrategy<PrincipalActionContext>
{
/**
* Domain mapper for deleting person_stream entry.
*/
private final DomainMapper<DeleteStreamRequest, Boolean> deleteAndReorderStreamsMapper;
/**
* Constructor.
*
* @param inDeleteAndReorderStreamsDbMapper
* Domain mapper for deleting person_stream entry.
*/
public DeleteStreamForCurrentUserExecution(
final DomainMapper<DeleteStreamRequest, Boolean> inDeleteAndReorderStreamsDbMapper)
{
deleteAndReorderStreamsMapper = inDeleteAndReorderStreamsDbMapper;
}
/**
* Adds a stream for the current user.
*
* @param inActionContext
* the action context.
* @return the stream ID.
* @exception ExecutionException
* not expected.
*/
public Serializable execute(final PrincipalActionContext inActionContext) throws ExecutionException
{
deleteAndReorderStreamsMapper.execute(new DeleteStreamRequest(
inActionContext.getPrincipal().getId(), (Long) inActionContext.getParams()));
return inActionContext.getParams();
}
}