| // 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.vm.snapshot; |
| |
| import java.util.Date; |
| |
| import org.apache.cloudstack.acl.ControlledEntity; |
| import org.apache.cloudstack.api.Identity; |
| import org.apache.cloudstack.api.InternalIdentity; |
| |
| import com.cloud.utils.fsm.StateMachine2; |
| import com.cloud.utils.fsm.StateObject; |
| |
| public interface VMSnapshot extends ControlledEntity, Identity, InternalIdentity, StateObject<VMSnapshot.State> { |
| |
| enum State { |
| Allocated("The VM snapshot is allocated but has not been created yet."), Creating("The VM snapshot is being created."), Ready( |
| "The VM snapshot is ready to be used."), Reverting("The VM snapshot is being used to revert"), Expunging("The volume is being expunging"), Removed( |
| "The volume is destroyed, and can't be recovered."), Error("The volume is in error state, and can't be recovered"); |
| |
| String _description; |
| |
| private State(String description) { |
| _description = description; |
| } |
| |
| public static StateMachine2<State, Event, VMSnapshot> getStateMachine() { |
| return s_fsm; |
| } |
| |
| public String getDescription() { |
| return _description; |
| } |
| |
| private final static StateMachine2<State, Event, VMSnapshot> s_fsm = new StateMachine2<State, Event, VMSnapshot>(); |
| static { |
| s_fsm.addTransition(Allocated, Event.CreateRequested, Creating); |
| s_fsm.addTransition(Creating, Event.OperationSucceeded, Ready); |
| s_fsm.addTransition(Creating, Event.OperationFailed, Error); |
| s_fsm.addTransition(Ready, Event.RevertRequested, Reverting); |
| s_fsm.addTransition(Reverting, Event.OperationSucceeded, Ready); |
| s_fsm.addTransition(Reverting, Event.OperationFailed, Ready); |
| s_fsm.addTransition(Ready, Event.ExpungeRequested, Expunging); |
| s_fsm.addTransition(Error, Event.ExpungeRequested, Expunging); |
| s_fsm.addTransition(Expunging, Event.ExpungeRequested, Expunging); |
| s_fsm.addTransition(Expunging, Event.OperationSucceeded, Removed); |
| } |
| } |
| |
| enum Type { |
| Disk, DiskAndMemory |
| } |
| |
| enum Event { |
| CreateRequested, OperationFailed, OperationSucceeded, RevertRequested, ExpungeRequested, |
| } |
| |
| @Override |
| long getId(); |
| |
| public String getName(); |
| |
| public Long getVmId(); |
| |
| @Override |
| public State getState(); |
| |
| public Date getCreated(); |
| |
| public String getDescription(); |
| |
| public String getDisplayName(); |
| |
| public Long getParent(); |
| |
| public Boolean getCurrent(); |
| |
| public Type getType(); |
| |
| public long getUpdatedCount(); |
| |
| public void incrUpdatedCount(); |
| |
| public Date getUpdated(); |
| |
| public Date getRemoved(); |
| |
| @Override |
| public long getAccountId(); |
| |
| public long getServiceOfferingId(); |
| } |