mirror of https://github.com/apache/cloudstack.git
90 lines
2.9 KiB
Java
90 lines
2.9 KiB
Java
// 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.ha.dao;
|
|
|
|
import java.util.List;
|
|
|
|
import com.cloud.ha.HaWorkVO;
|
|
import com.cloud.ha.HighAvailabilityManager.WorkType;
|
|
import com.cloud.utils.db.GenericDao;
|
|
|
|
public interface HighAvailabilityDao extends GenericDao<HaWorkVO, Long> {
|
|
|
|
/**
|
|
* Takes an available HA work item.
|
|
*
|
|
* @param serverId server that is taking this.
|
|
* @return WorkVO if there's one to work on; null if none.
|
|
*/
|
|
HaWorkVO take(long serverId);
|
|
|
|
/**
|
|
* Finds all the work items related to this instance.
|
|
*
|
|
* @param instanceId
|
|
* @return list of WorkVO or empty list.
|
|
*/
|
|
List<HaWorkVO> findPreviousHA(long instanceId);
|
|
|
|
boolean delete(long instanceId, WorkType type);
|
|
|
|
/**
|
|
* Finds all the work items that were successful and is now ready to be purged.
|
|
*
|
|
* @param time that the work item must be successful before.
|
|
* @return list of WorkVO or empty list.
|
|
*/
|
|
void cleanup(long time);
|
|
|
|
void deleteMigrationWorkItems(final long hostId, final WorkType type, final long serverId);
|
|
|
|
List<HaWorkVO> findTakenWorkItems(WorkType type);
|
|
|
|
/**
|
|
* finds out if a work item has been scheduled for this work type but has not been taken yet.
|
|
*
|
|
* @param instanceId vm instance id
|
|
* @param type type of work scheduled for it.
|
|
* @return true if it has been scheduled and false if it hasn't.
|
|
*/
|
|
boolean hasBeenScheduled(long instanceId, WorkType type);
|
|
|
|
int releaseWorkItems(long nodeId);
|
|
|
|
/**
|
|
* Look for HA work that has been scheduled for a vm since a certain work id.
|
|
*
|
|
* @param vmId virtual machine id.
|
|
* @param workId work item id.
|
|
* @return List of work items.
|
|
*/
|
|
List<HaWorkVO> listFutureHaWorkForVm(long vmId, long workId);
|
|
|
|
/**
|
|
* Look for HA work that is being run right now for a VM.
|
|
*
|
|
* @param vmId virtual machine id
|
|
* @return List of work items
|
|
*/
|
|
List<HaWorkVO> listRunningHaWorkForVm(long vmId);
|
|
|
|
List<HaWorkVO> listPendingHaWorkForVm(long vmId);
|
|
|
|
List<HaWorkVO> listPendingMigrationsForVm(long vmId);
|
|
int expungeByVmList(List<Long> vmIds, Long batchSize);
|
|
}
|