// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License.  Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
// 
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.alert.dao;

import java.util.List;

import javax.ejb.Local;

import com.cloud.alert.AlertVO;
import com.cloud.utils.db.Filter;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.SearchCriteria;

@Local(value = { AlertDao.class })
public class AlertDaoImpl extends GenericDaoBase<AlertVO, Long> implements AlertDao {
    @Override
    public AlertVO getLastAlert(short type, long dataCenterId, Long podId, Long clusterId) {
        Filter searchFilter = new Filter(AlertVO.class, "createdDate", Boolean.FALSE, Long.valueOf(0), Long.valueOf(1));
        SearchCriteria<AlertVO> sc = createSearchCriteria();

        sc.addAnd("type", SearchCriteria.Op.EQ, Short.valueOf(type));
        sc.addAnd("dataCenterId", SearchCriteria.Op.EQ, Long.valueOf(dataCenterId));
        if (podId != null) {
            sc.addAnd("podId", SearchCriteria.Op.EQ, podId);
        }
        if (clusterId != null) {
            sc.addAnd("clusterId", SearchCriteria.Op.EQ, clusterId);
        }

        List<AlertVO> alerts = listBy(sc, searchFilter);
        if ((alerts != null) && !alerts.isEmpty()) {
            return alerts.get(0);
        }
        return null;
    }
    
    @Override
    public AlertVO getLastAlert(short type, long dataCenterId, Long podId) {
        Filter searchFilter = new Filter(AlertVO.class, "createdDate", Boolean.FALSE, Long.valueOf(0), Long.valueOf(1));
        SearchCriteria<AlertVO> sc = createSearchCriteria();

        sc.addAnd("type", SearchCriteria.Op.EQ, Short.valueOf(type));
        sc.addAnd("dataCenterId", SearchCriteria.Op.EQ, Long.valueOf(dataCenterId));
        if (podId != null) {
            sc.addAnd("podId", SearchCriteria.Op.EQ, podId);
        }        

        List<AlertVO> alerts = listBy(sc, searchFilter);
        if ((alerts != null) && !alerts.isEmpty()) {
            return alerts.get(0);
        }
        return null;
    }
}