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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 edu.ucsb.eucalyptus.cloud.cluster;
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import edu.ucsb.eucalyptus.msgs.ReservationInfoType;
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import org.apache.log4j.Logger;
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import com.eucalyptus.bootstrap.Component;
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import com.eucalyptus.util.HasName;
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import java.util.zip.Adler32;
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public class Reservation implements HasName {
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private static Logger LOG = Logger.getLogger( Reservation.class );
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private String ownerId;
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private String reservationId;
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private int launchIndexBase = 0;
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private List<String> vmInstances;
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public Reservation( String ownerId, String reservationId)
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this(ownerId,0l,0,0,0);
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this.reservationId = reservationId;
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public Reservation( String ownerId, Long reservationId, int minCount, int maxCount, int baseMac )
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this.ownerId = ownerId;
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this.rsvId = reservationId;
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//:: DOCUMENT: reservation ID creation:://
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Adler32 hash = new Adler32();
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hash.update( ( ownerId + Long.toHexString( reservationId ) ).getBytes() );
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this.reservationId = String.format( "r-%08X", hash.getValue() );
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this.minCount = minCount;
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this.maxCount = maxCount;
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this.vmInstances = new ArrayList<String>();
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public String getName()
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return this.getReservationId();
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public boolean isEmpty()
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return this.vmInstances.isEmpty();
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public boolean contains( String instanceId )
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return this.vmInstances.contains( instanceId );
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public boolean removeInstance( String instanceId )
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return this.vmInstances.remove( instanceId );
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public int addInstance( String vmId )
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this.vmInstances.add( vmId );
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return this.launchIndexBase++;
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public int getMaxCount()
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public int getMinCount()
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public String getOwnerId()
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public String getReservationId()
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return reservationId;
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public Long getRsvId()
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public ReservationInfoType getAsReservationInfoType()
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ReservationInfoType rsvInfo = new ReservationInfoType();
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for( String vmId : this.vmInstances )
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VmInstance vm = VmInstances.getInstance().lookup( vmId );
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rsvInfo.getInstancesSet().add( vm.getAsRunningInstanceItemType( Component.dns.isLocal( ) ) );
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rsvInfo.setOwnerId( this.getOwnerId() );
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rsvInfo.setReservationId( this.getReservationId() );
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public int compareTo( final Object o )
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Reservation that = (Reservation) o;
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return this.getRsvId().compareTo( that.getRsvId() );