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

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Here is the source code for com.vmware.bdd.dal.impl.ResourcePoolDAO.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.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Logger;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Restrictions;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

import com.vmware.bdd.dal.IResourcePoolDAO;
import com.vmware.bdd.entity.VcResourcePoolEntity;
import com.vmware.bdd.exception.BddException;

/**
 * @author Jarred Li
 * @since 0.8
 * @version 0.8
 *
 */
@Repository
public class ResourcePoolDAO extends BaseDAO<VcResourcePoolEntity> implements IResourcePoolDAO {

    private static final Logger logger = Logger.getLogger(ResourcePoolDAO.class);

    @Override
    @Transactional(readOnly = true)
    public VcResourcePoolEntity findByName(String name) {
        return findUniqueByCriteria(Restrictions.eq("name", name));
    }

    @Override
    @Transactional(readOnly = true)
    public boolean isRPAdded(String vcCluster, String vcRP) {
        VcResourcePoolEntity entity = findByClusterAndRp(vcCluster, vcRP);
        return (entity != null);
    }

    @Override
    @Transactional(readOnly = true)
    public List<VcResourcePoolEntity> findAllOrderByClusterName() {
        Order order = Order.asc("vcCluster");
        return this.findByCriteria(new Order[] { order }, null, null);
    }

    @Override
    @Transactional(readOnly = true)
    public String getNameByClusterAndRp(String vcCluster, String vcRp) {
        VcResourcePoolEntity entity = findByClusterAndRp(vcCluster, vcRp);
        if (entity != null) {
            return entity.getName();
        }
        return null;
    }

    @Override
    @Transactional(readOnly = true)
    public VcResourcePoolEntity findByClusterAndRp(String vcCluster, String vcRp) {
        logger.debug("findByClusterAndRp. cluster:" + vcCluster);
        Map<String, String> propertyNameValues = new HashMap<String, String>();
        propertyNameValues.put("vcCluster", vcCluster);
        propertyNameValues.put("vcResourcePool", vcRp);

        VcResourcePoolEntity entity = findUniqueByCriteria(Restrictions.allEq(propertyNameValues));
        return entity;
    }

    @Override
    @Transactional
    public void addResourcePoolEntity(final String rpName, final String vcClusterName,
            final String vcResourcePool) {

        if (findByName(rpName) != null) {
            logger.info("resource pool name " + rpName + " is already existed.");
            throw BddException.ALREADY_EXISTS("Resource pool", rpName);
        }
        VcResourcePoolEntity entity = new VcResourcePoolEntity();
        entity.setName(rpName);
        entity.setVcCluster(vcClusterName);
        entity.setVcResourcePool(vcResourcePool);
        this.insert(entity);
        logger.info("add resource pool " + rpName);
    }

}