awsapi/src/com/cloud/bridge/persist/dao/SHostDaoImpl.java

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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.cloud.bridge.persist.dao;

import javax.ejb.Local;

import org.springframework.stereotype.Component;

import com.cloud.bridge.model.SHostVO;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.Transaction;

@Component
@Local(value={SHostDao.class})
public class SHostDaoImpl extends GenericDaoBase<SHostVO, Long> implements SHostDao {
	public SHostDaoImpl() {}
	
	@Override
	public SHostVO getByHost(String host) {
	    SearchBuilder <SHostVO> HostSearch = createSearchBuilder();
	    HostSearch.and("Host", HostSearch.entity().getHost(), SearchCriteria.Op.EQ);
	    HostSearch.done();
	    Transaction txn = Transaction.open(Transaction.AWSAPI_DB);
	    try {
    		txn.start();
    		SearchCriteria<SHostVO> sc = HostSearch.create();
    		sc.setParameters("Host", host);
    		return findOneBy(sc);
        } finally {
            txn.commit();
	        txn.close();
	    }
	    
	}
	
	@Override
	public SHostVO getLocalStorageHost(long mhostId, String storageRoot) {
	    SearchBuilder <SHostVO> LocalStorageHostSearch = createSearchBuilder();
	    LocalStorageHostSearch.and("MHostID", LocalStorageHostSearch.entity().getMhostid(), SearchCriteria.Op.EQ);
	    LocalStorageHostSearch.and("ExportRoot", LocalStorageHostSearch.entity().getExportRoot(), SearchCriteria.Op.EQ);
	    LocalStorageHostSearch.done();
	    Transaction txn = Transaction.currentTxn();
	    try {
            txn.start();
            SearchCriteria<SHostVO> sc = LocalStorageHostSearch.create();
            sc.setParameters("MHostID", mhostId);
            sc.setParameters("ExportRoot", storageRoot);
            return findOneBy(sc);
        } finally {
            txn.commit();
            txn.close();
	    }	
	}
}