ActivityIdFromCommentDTOTransformer.java

/*
 * Copyright (c) 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.request.transformer;

import java.io.Serializable;

import org.eurekastreams.server.persistence.mappers.cache.Transformer;
import org.eurekastreams.server.search.modelview.CommentDTO;

/**
 * Request transformer taking a CommentDTO and extracting the activity ID.
 */
public class ActivityIdFromCommentDTOTransformer implements Transformer<Serializable, Long>
{
    /**
     * {@inheritDoc}
     */
    @Override
    public Long transform(final Serializable inTransformType)
    {
        return ((CommentDTO) inTransformType).getActivityId();
    }
}