| /* |
| * 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 org.apache.cloudstack.engine.subsystem.api.storage; |
| |
| import com.cloud.vm.snapshot.VMSnapshot; |
| |
| public interface VMSnapshotStrategy { |
| VMSnapshot takeVMSnapshot(VMSnapshot vmSnapshot); |
| |
| boolean deleteVMSnapshot(VMSnapshot vmSnapshot); |
| |
| boolean revertVMSnapshot(VMSnapshot vmSnapshot); |
| |
| StrategyPriority canHandle(VMSnapshot vmSnapshot); |
| |
| /** |
| * Delete vm snapshot only from database. Introduced as a Vmware optimization in which vm snapshots are deleted when |
| * the vm gets deleted on hypervisor (no need to delete each vm snapshot before deleting vm, just mark them as deleted on DB) |
| * @param vmSnapshot vm snapshot to be marked as deleted. |
| * @return true if vm snapshot removed from DB, false if not. |
| */ |
| boolean deleteVMSnapshotFromDB(VMSnapshot vmSnapshot); |
| } |