com.vmware.bdd.dal.impl.NodeGroupDAO.java Source code

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Here is the source code for com.vmware.bdd.dal.impl.NodeGroupDAO.java

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/***************************************************************************
 * Copyright (c) 2012-2013 VMware, Inc. All Rights Reserved.
 * 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 com.vmware.bdd.dal.impl;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.hibernate.criterion.Restrictions;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

import com.vmware.bdd.dal.INodeGroupDAO;
import com.vmware.bdd.entity.ClusterEntity;
import com.vmware.bdd.entity.NodeGroupEntity;

/**
 * @author Terry Li
 * @since 0.8
 * @version 0.8
 * 
 */
@Repository
@Transactional(readOnly = true)
public class NodeGroupDAO extends BaseDAO<NodeGroupEntity> implements INodeGroupDAO {

    @Override
    public NodeGroupEntity findByName(ClusterEntity cluster, String groupName) {
        Map<String, Object> conditions = new HashMap<String, Object>();
        conditions.put("cluster", cluster);
        conditions.put("name", groupName);
        return findUniqueByCriteria(Restrictions.allEq(conditions));
    }

    @Override
    public List<NodeGroupEntity> findAllByClusters(Collection<ClusterEntity> clusters) {
        if (!clusters.isEmpty()) {
            return findByCriteria(Restrictions.in("cluster", clusters));
        } else {
            return new ArrayList<NodeGroupEntity>(0);
        }
    }

}