mirror of https://github.com/apache/cloudstack.git
147 lines
4.5 KiB
Java
Executable File
147 lines
4.5 KiB
Java
Executable File
/**
|
|
* Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
|
|
*
|
|
* This software is licensed under the GNU General Public License v3 or later.
|
|
*
|
|
* It is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or any later version.
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
package com.cloud.storage;
|
|
|
|
import java.util.Date;
|
|
import java.util.List;
|
|
import java.util.Set;
|
|
|
|
import com.cloud.acl.ControlledEntity;
|
|
import com.cloud.template.BasedOn;
|
|
import com.cloud.utils.fsm.FiniteState;
|
|
import com.cloud.utils.fsm.StateMachine;
|
|
import com.cloud.utils.fsm.StateMachine2;
|
|
import com.cloud.utils.fsm.StateObject;
|
|
import com.cloud.vm.VirtualMachine;
|
|
|
|
public interface Volume extends ControlledEntity, BasedOn, StateObject<Volume.State> {
|
|
enum Type {
|
|
UNKNOWN, ROOT, SWAP, DATADISK, ISO
|
|
};
|
|
|
|
enum State {
|
|
Allocated("The volume is allocated but has not been created yet."),
|
|
Creating("The volume is being created. getPoolId() should reflect the pool where it is being created."),
|
|
Ready("The volume is ready to be used."),
|
|
Migrating("The volume is migrating to other storage pool"),
|
|
Snapshotting("There is a snapshot created on this volume, not backed up to secondary storage yet"),
|
|
Expunging("The volume is being expunging"),
|
|
Destroy("The volume is destroyed, and can't be recovered.");
|
|
|
|
String _description;
|
|
|
|
private State(String description) {
|
|
_description = description;
|
|
}
|
|
|
|
public static StateMachine2<State, Event, Volume> getStateMachine() {
|
|
return s_fsm;
|
|
}
|
|
|
|
public String getDescription() {
|
|
return _description;
|
|
}
|
|
|
|
private final static StateMachine2<State, Event, Volume> s_fsm = new StateMachine2<State, Event, Volume>();
|
|
static {
|
|
s_fsm.addTransition(Allocated, Event.CreateRequested, Creating);
|
|
s_fsm.addTransition(Allocated, Event.DestroyRequested, Destroy);
|
|
s_fsm.addTransition(Creating, Event.OperationRetry, Creating);
|
|
s_fsm.addTransition(Creating, Event.OperationFailed, Allocated);
|
|
s_fsm.addTransition(Creating, Event.OperationSucceeded, Ready);
|
|
s_fsm.addTransition(Creating, Event.DestroyRequested, Destroy);
|
|
s_fsm.addTransition(Creating, Event.CreateRequested, Creating);
|
|
s_fsm.addTransition(Ready, Event.DestroyRequested, Destroy);
|
|
s_fsm.addTransition(Destroy, Event.ExpungingRequested, Expunging);
|
|
s_fsm.addTransition(Ready, Event.SnapshotRequested, Snapshotting);
|
|
s_fsm.addTransition(Snapshotting, Event.OperationSucceeded, Ready);
|
|
s_fsm.addTransition(Snapshotting, Event.OperationFailed, Ready);
|
|
s_fsm.addTransition(Ready, Event.MigrationRequested, Migrating);
|
|
s_fsm.addTransition(Migrating, Event.OperationSucceeded, Ready);
|
|
s_fsm.addTransition(Migrating, Event.OperationFailed, Ready);
|
|
s_fsm.addTransition(Destroy, Event.OperationSucceeded, Destroy);
|
|
}
|
|
}
|
|
|
|
enum Event {
|
|
CreateRequested,
|
|
OperationFailed,
|
|
OperationSucceeded,
|
|
OperationRetry,
|
|
MigrationRequested,
|
|
SnapshotRequested,
|
|
DestroyRequested,
|
|
ExpungingRequested;
|
|
}
|
|
|
|
long getId();
|
|
|
|
/**
|
|
* @return the volume name
|
|
*/
|
|
String getName();
|
|
|
|
/**
|
|
* @return total size of the partition
|
|
*/
|
|
long getSize();
|
|
|
|
/**
|
|
* @return the vm instance id
|
|
*/
|
|
Long getInstanceId();
|
|
|
|
/**
|
|
* @return the folder of the volume
|
|
*/
|
|
String getFolder();
|
|
|
|
/**
|
|
* @return the path created.
|
|
*/
|
|
String getPath();
|
|
|
|
Long getPodId();
|
|
|
|
long getDataCenterId();
|
|
|
|
Type getVolumeType();
|
|
|
|
Long getPoolId();
|
|
|
|
State getState();
|
|
|
|
Date getAttached();
|
|
|
|
Long getDeviceId();
|
|
|
|
Date getCreated();
|
|
|
|
long getDiskOfferingId();
|
|
|
|
String getChainInfo();
|
|
|
|
boolean isRecreatable();
|
|
|
|
public long getUpdatedCount();
|
|
|
|
public void incrUpdatedCount();
|
|
|
|
public Date getUpdated();
|
|
}
|