SnapshotScheduler.java

// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License.  Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
// 
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.storage.snapshot;

import java.util.Date;

import com.cloud.storage.SnapshotPolicyVO;
import com.cloud.utils.component.Manager;
import com.cloud.utils.concurrency.Scheduler;

/**
 */
public interface SnapshotScheduler extends Manager, Scheduler {

	/**
	 * Schedule the next snapshot job for this policy instance.
	 * 
	 * @return The timestamp at which the next snapshot is scheduled.
	 */
	public Date scheduleNextSnapshotJob(SnapshotPolicyVO policyInstance);

	/**
     * Remove schedule for volumeId, policyId combination
     * @param volumeId
     * @param policyId
     * @return
     */
    boolean removeSchedule(Long volumeId, Long policyId);
}