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/*******************************************************************************
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*Copyright (c) 2009 Eucalyptus Systems, Inc.
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, only version 3 of the License.
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* This file is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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* Please contact Eucalyptus Systems, Inc., 130 Castilian
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* Dr., Goleta, CA 93101 USA or visit <http://www.eucalyptus.com/licenses/>
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* if you need additional information or have any questions.
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* This file may incorporate work covered under the following copyright and
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* Software License Agreement (BSD License)
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* Copyright (c) 2008, Regents of the University of California
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* All rights reserved.
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* Redistribution and use of this software in source and binary forms, with
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* or without modification, are permitted provided that the following
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. USERS OF
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* THIS SOFTWARE ACKNOWLEDGE THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE
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* LICENSED MATERIAL, COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS
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* SOFTWARE, AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
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* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, SANTA
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* BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY, WHICH IN
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* THE REGENTS’ DISCRETION MAY INCLUDE, WITHOUT LIMITATION, REPLACEMENT
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* OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO IDENTIFIED, OR
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* WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT NEEDED TO COMPLY WITH
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* ANY SUCH LICENSES OR RIGHTS.
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*******************************************************************************/
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* Author: chris grzegorczyk <grze@eucalyptus.com>
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package com.eucalyptus.blockstorage;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.Lob;
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import javax.persistence.PersistenceContext;
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import org.hibernate.annotations.Cache;
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import org.hibernate.annotations.CacheConcurrencyStrategy;
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import com.eucalyptus.util.StorageProperties;
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import edu.ucsb.eucalyptus.cloud.state.AbstractIsomorph;
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import edu.ucsb.eucalyptus.cloud.state.State;
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@PersistenceContext(name="eucalyptus_images")
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@Cache( usage = CacheConcurrencyStrategy.TRANSACTIONAL )
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public class Volume extends AbstractIsomorph {
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@Column(name="cluster")
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private String cluster;
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@Column(name="parentsnapshot")
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private String parentSnapshot;
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@Column(name="remotedevice")
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private String remoteDevice;
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@Column(name="localdevice")
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private String localDevice;
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public Volume( final String userName, final String displayName, final Integer size, final String cluster, final String parentSnapshot ) {
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super( userName, displayName );
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this.cluster = cluster;
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this.parentSnapshot = parentSnapshot;
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public Volume( String userName, String displayName ) {
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super( userName, displayName );
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public static Volume named( String userName, String volumeId ) {
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Volume v = new Volume( );
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v.setDisplayName( volumeId );
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v.setUserName( userName );
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public static Volume ownedBy( String userName ) {
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Volume v = new Volume( );
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v.setUserName( userName );
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public String mapState( ) {
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switch(this.getState()) {
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case GENERATING: return "creating";
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case EXTANT: return "available";
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case ANNIHILATING: return "deleting";
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case ANNIHILATED: return "deleted";
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case FAIL: return "failed";
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case BUSY: return "in-use";
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default: return "unavailable";
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public void setMappedState( final String state ) {
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if( StorageProperties.Status.failed.toString().equals( state ) ) this.setState( State.FAIL );
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else if(StorageProperties.Status.creating.toString().equals( state ) ) this.setState( State.GENERATING );
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else if(StorageProperties.Status.available.toString().equals( state ) ) this.setState( State.EXTANT );
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else if("in-use".equals( state ) ) this.setState( State.BUSY );
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else this.setState( State.ANNIHILATED );
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public Object morph( final Object o ) {
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public edu.ucsb.eucalyptus.msgs.Volume morph( final edu.ucsb.eucalyptus.msgs.Volume vol ) {
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vol.setAvailabilityZone( this.getCluster() );
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vol.setCreateTime( this.getBirthday() );
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vol.setVolumeId( this.getDisplayName() );
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vol.setSnapshotId( this.getParentSnapshot() );
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vol.setStatus( this.mapState() );
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vol.setSize( (this.getSize() == -1) || (this.getSize() == null)? null : this.getSize().toString() );
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public Integer getSize() {
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public String getCluster() {
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public void setSize( final Integer size ) {
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public void setCluster( final String cluster ) {
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this.cluster = cluster;
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public String getParentSnapshot() {
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return parentSnapshot;
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public void setParentSnapshot( final String parentSnapshot ) {
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this.parentSnapshot = parentSnapshot;
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public String getRemoteDevice() {
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public void setRemoteDevice( final String remoteDevice ) {
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this.remoteDevice = remoteDevice;
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public String getLocalDevice() {
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public void setLocalDevice( final String localDevice ) {
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this.localDevice = localDevice;
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public boolean isReady() {
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return this.getState().equals(State.EXTANT);