server/src/com/cloud/storage/dao/SnapshotPolicyDaoImpl.java

// Licensed to the Apache Software Foundation (ASF) under one
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// 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
//
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package com.cloud.storage.dao;


import java.util.List;

import javax.ejb.Local;

import org.springframework.stereotype.Component;

import com.cloud.storage.SnapshotPolicyVO;
import com.cloud.utils.DateUtil.IntervalType;
import com.cloud.utils.Pair;
import com.cloud.utils.db.Filter;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;

@Component
@Local (value={SnapshotPolicyDao.class})
public class SnapshotPolicyDaoImpl extends GenericDaoBase<SnapshotPolicyVO, Long> implements SnapshotPolicyDao {
	private final SearchBuilder<SnapshotPolicyVO> VolumeIdSearch;
	private final SearchBuilder<SnapshotPolicyVO> VolumeIdIntervalSearch;
	private final SearchBuilder<SnapshotPolicyVO> ActivePolicySearch;
	
	@Override
	public SnapshotPolicyVO findOneByVolumeInterval(long volumeId, IntervalType intvType) {
		SearchCriteria<SnapshotPolicyVO> sc = VolumeIdIntervalSearch.create();
        sc.setParameters("volumeId", volumeId);
        sc.setParameters("interval", intvType.ordinal());
		return findOneBy(sc);
	}
	
   @Override
    public SnapshotPolicyVO findOneByVolume(long volumeId) {
        SearchCriteria<SnapshotPolicyVO> sc = VolumeIdSearch.create();
        sc.setParameters("volumeId", volumeId);
        sc.setParameters("active", true);
        return findOneBy(sc);
    }
	
	@Override
	public List<SnapshotPolicyVO> listByVolumeId(long volumeId) {
		return listByVolumeId(volumeId, null);
	}
	
    @Override
    public List<SnapshotPolicyVO> listByVolumeId(long volumeId, Filter filter) {
        SearchCriteria<SnapshotPolicyVO> sc = VolumeIdSearch.create();
        sc.setParameters("volumeId", volumeId);
        sc.setParameters("active", true);
        return listBy(sc, filter);
    }
	
    @Override
    public Pair<List<SnapshotPolicyVO>, Integer> listAndCountByVolumeId(long volumeId) {
        return listAndCountByVolumeId(volumeId, null);
    }

    @Override
    public Pair<List<SnapshotPolicyVO>, Integer> listAndCountByVolumeId(long volumeId, Filter filter) {
        SearchCriteria<SnapshotPolicyVO> sc = VolumeIdSearch.create();
        sc.setParameters("volumeId", volumeId);
        sc.setParameters("active", true);
        return searchAndCount(sc, filter);
    }

    protected SnapshotPolicyDaoImpl() {
        VolumeIdSearch = createSearchBuilder();
        VolumeIdSearch.and("volumeId", VolumeIdSearch.entity().getVolumeId(), SearchCriteria.Op.EQ);
        VolumeIdSearch.and("active", VolumeIdSearch.entity().isActive(), SearchCriteria.Op.EQ);
        VolumeIdSearch.done();
        
        VolumeIdIntervalSearch = createSearchBuilder();
        VolumeIdIntervalSearch.and("volumeId", VolumeIdIntervalSearch.entity().getVolumeId(), SearchCriteria.Op.EQ);
        VolumeIdIntervalSearch.and("interval", VolumeIdIntervalSearch.entity().getInterval(), SearchCriteria.Op.EQ);
        VolumeIdIntervalSearch.done();
        
        ActivePolicySearch = createSearchBuilder();
        ActivePolicySearch.and("active", ActivePolicySearch.entity().isActive(), SearchCriteria.Op.EQ);
        ActivePolicySearch.done();
    }

    @Override
    public List<SnapshotPolicyVO> listActivePolicies() {
        SearchCriteria<SnapshotPolicyVO> sc = ActivePolicySearch.create();
        sc.setParameters("active", true);
        return listIncludingRemovedBy(sc);
    }	
}