// 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.host.dao;
import java.util.ArrayList;
import java.util.List;
import javax.ejb.Local;
import org.springframework.stereotype.Component;
import com.cloud.host.HostTagVO;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.TransactionLegacy;
@Component
@Local(value = HostTagsDao.class)
public class HostTagsDaoImpl extends GenericDaoBase<HostTagVO, Long> implements HostTagsDao {
protected final SearchBuilder<HostTagVO> HostSearch;
public HostTagsDaoImpl() {
HostSearch = createSearchBuilder();
HostSearch.and("hostId", HostSearch.entity().getHostId(), SearchCriteria.Op.EQ);
HostSearch.done();
}
@Override
public List<String> gethostTags(long hostId) {
SearchCriteria<HostTagVO> sc = HostSearch.create();
sc.setParameters("hostId", hostId);
List<HostTagVO> results = search(sc, null);
List<String> hostTags = new ArrayList<String>(results.size());
for (HostTagVO result : results) {
hostTags.add(result.getTag());
}
return hostTags;
}
@Override
public void persist(long hostId, List<String> hostTags) {
TransactionLegacy txn = TransactionLegacy.currentTxn();
txn.start();
SearchCriteria<HostTagVO> sc = HostSearch.create();
sc.setParameters("hostId", hostId);
expunge(sc);
for (String tag : hostTags) {
tag = tag.trim();
if (tag.length() > 0) {
HostTagVO vo = new HostTagVO(hostId, tag);
persist(vo);
}
}
txn.commit();
}
}