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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

//

// Unless required by applicable law or agreed to in writing,

// software distributed under the License is distributed on an

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package com.cloud.vm;

import java.util.List;

import javax.ejb.Local;

import org.springframework.stereotype.Component;

import com.cloud.utils.db.GenericDaoBase;

import com.cloud.utils.db.SearchBuilder;

import com.cloud.utils.db.SearchCriteria;

import com.cloud.utils.db.SearchCriteria.Op;

import com.cloud.utils.time.InaccurateClock;

import com.cloud.vm.ItWorkVO.Step;

import com.cloud.vm.VirtualMachine.State;

@Component

@Local(value=ItWorkDao.class)

public class ItWorkDaoImpl extends GenericDaoBase<ItWorkVO, String> implements ItWorkDao {

protected final SearchBuilder<ItWorkVO> AllFieldsSearch;

protected final SearchBuilder<ItWorkVO> CleanupSearch;

protected final SearchBuilder<ItWorkVO> OutstandingWorkSearch;

protected final SearchBuilder<ItWorkVO> WorkInProgressSearch;

protected ItWorkDaoImpl() {

super();

AllFieldsSearch = createSearchBuilder();

AllFieldsSearch.and("instance", AllFieldsSearch.entity().getInstanceId(), Op.EQ);

AllFieldsSearch.and("op", AllFieldsSearch.entity().getType(), Op.EQ);

AllFieldsSearch.and("step", AllFieldsSearch.entity().getStep(), Op.EQ);

AllFieldsSearch.done();

CleanupSearch = createSearchBuilder();

CleanupSearch.and("step", CleanupSearch.entity().getType(), Op.IN);

CleanupSearch.and("time", CleanupSearch.entity().getUpdatedAt(), Op.LT);

CleanupSearch.done();

OutstandingWorkSearch = createSearchBuilder();

OutstandingWorkSearch.and("instance", OutstandingWorkSearch.entity().getInstanceId(), Op.EQ);

OutstandingWorkSearch.and("op", OutstandingWorkSearch.entity().getType(), Op.EQ);

OutstandingWorkSearch.and("step", OutstandingWorkSearch.entity().getStep(), Op.NEQ);

OutstandingWorkSearch.done();

WorkInProgressSearch = createSearchBuilder();

WorkInProgressSearch.and("server", WorkInProgressSearch.entity().getManagementServerId(), Op.EQ);

WorkInProgressSearch.and("step", WorkInProgressSearch.entity().getStep(), Op.NIN);

WorkInProgressSearch.done();

}

@Override

public ItWorkVO findByOutstandingWork(long instanceId, State state) {

SearchCriteria<ItWorkVO> sc = OutstandingWorkSearch.create();

sc.setParameters("instance", instanceId);

sc.setParameters("op", state);

sc.setParameters("step", Step.Done);

return findOneBy(sc);

}

@Override

public void cleanup(long wait) {

SearchCriteria<ItWorkVO> sc = CleanupSearch.create();

sc.setParameters("step", Step.Done);

sc.setParameters("time", InaccurateClock.getTimeInSeconds() - wait);

remove(sc);

}

@Override

public boolean update(String id, ItWorkVO work) {

work.setUpdatedAt(InaccurateClock.getTimeInSeconds());

return super.update(id, work);

}

@Override

public boolean updateStep(ItWorkVO work, Step step) {

work.setStep(step);

return update(work.getId(), work);

}

@Override

public List<ItWorkVO> listWorkInProgressFor(long nodeId) {

SearchCriteria<ItWorkVO> sc = WorkInProgressSearch.create();

sc.setParameters("server", nodeId);

sc.setParameters("step", Step.Done);

return search(sc, null);

}

}