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