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// 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,
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package com.cloud.cluster.dao;
import java.util.List;
import javax.ejb.Local;
import org.apache.log4j.Logger;
import com.cloud.cluster.ManagementServerHost;
import com.cloud.cluster.ManagementServerHostPeerVO;
import com.cloud.utils.db.DB;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.TransactionLegacy;
@Local(value = {ManagementServerHostPeerDao.class})
public class ManagementServerHostPeerDaoImpl extends GenericDaoBase<ManagementServerHostPeerVO, Long> implements ManagementServerHostPeerDao {
private static final Logger s_logger = Logger.getLogger(ManagementServerHostPeerDaoImpl.class);
private final SearchBuilder<ManagementServerHostPeerVO> ClearPeerSearch;
private final SearchBuilder<ManagementServerHostPeerVO> FindForUpdateSearch;
private final SearchBuilder<ManagementServerHostPeerVO> CountSearch;
public ManagementServerHostPeerDaoImpl() {
ClearPeerSearch = createSearchBuilder();
ClearPeerSearch.and("ownerMshost", ClearPeerSearch.entity().getOwnerMshost(), SearchCriteria.Op.EQ);
ClearPeerSearch.done();
FindForUpdateSearch = createSearchBuilder();
FindForUpdateSearch.and("ownerMshost", FindForUpdateSearch.entity().getOwnerMshost(), SearchCriteria.Op.EQ);
FindForUpdateSearch.and("peerMshost", FindForUpdateSearch.entity().getPeerMshost(), SearchCriteria.Op.EQ);
FindForUpdateSearch.and("peerRunid", FindForUpdateSearch.entity().getPeerRunid(), SearchCriteria.Op.EQ);
FindForUpdateSearch.done();
CountSearch = createSearchBuilder();
CountSearch.and("peerMshost", CountSearch.entity().getPeerMshost(), SearchCriteria.Op.EQ);
CountSearch.and("peerRunid", CountSearch.entity().getPeerRunid(), SearchCriteria.Op.EQ);
CountSearch.and("peerState", CountSearch.entity().getPeerState(), SearchCriteria.Op.EQ);
CountSearch.done();
}
@Override
@DB
public void clearPeerInfo(long ownerMshost) {
SearchCriteria<ManagementServerHostPeerVO> sc = ClearPeerSearch.create();
sc.setParameters("ownerMshost", ownerMshost);
expunge(sc);
}
@Override
@DB
public void updatePeerInfo(long ownerMshost, long peerMshost, long peerRunid, ManagementServerHost.State peerState) {
TransactionLegacy txn = TransactionLegacy.currentTxn();
try {
txn.start();
SearchCriteria<ManagementServerHostPeerVO> sc = FindForUpdateSearch.create();
sc.setParameters("ownerMshost", ownerMshost);
sc.setParameters("peerMshost", peerMshost);
sc.setParameters("peerRunid", peerRunid);
List<ManagementServerHostPeerVO> l = listBy(sc);
if (l.size() == 1) {
ManagementServerHostPeerVO peer = l.get(0);
peer.setPeerState(peerState);
update(peer.getId(), peer);
} else {
ManagementServerHostPeerVO peer = new ManagementServerHostPeerVO(ownerMshost, peerMshost, peerRunid, peerState);
persist(peer);
}
txn.commit();
} catch (Exception e) {
s_logger.warn("Unexpected exception, ", e);
txn.rollback();
}
}
@Override
@DB
public int countStateSeenInPeers(long mshost, long runid, ManagementServerHost.State state) {
SearchCriteria<ManagementServerHostPeerVO> sc = CountSearch.create();
sc.setParameters("peerMshost", mshost);
sc.setParameters("peerRunid", runid);
sc.setParameters("peerState", state);
List<ManagementServerHostPeerVO> l = listBy(sc);
return l.size();
}
}