/*************************************************************************
 * Copyright 2009-2012 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; version 3 of the License.
 *
 * 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/.
 *
 * Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
 * CA 93117, 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
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 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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 *   COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE,
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 *   IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA,
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 *   WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION,
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 ************************************************************************/

package com.eucalyptus.compute.common.internal.vm;

import javax.persistence.Column;
import javax.persistence.Embeddable;
import org.hibernate.annotations.Parent;
import com.eucalyptus.component.Partition;
import com.eucalyptus.component.Partitions;

@Embeddable
public class VmPlacement {
  @Parent
  private VmInstance vmInstance;
  @Column( name = "metadata_vm_placement" )
  private String     placement;
  @Column( name = "metadata_vm_cluster_name" )
  private String     clusterName;
  @Column( name = "metadata_vm_partition_name" )
  private String     partitionName;
  
  public VmPlacement( String clusterName, String partitionName ) {
    super( );
    this.clusterName = clusterName;
    this.partitionName = partitionName;
  }
  
  VmPlacement( ) {
    super( );
  }

  VmInstance getVmInstance( ) {
    return this.vmInstance;
  }
  
  String getClusterName( ) {
    return this.clusterName;
  }
  
  String getPartitionName( ) {
    return this.partitionName;
  }
  
  public Partition lookupPartition( ) {
    return Partitions.lookupByName( this.partitionName );
  }

  private void setVmInstance( VmInstance vmInstance ) {
    this.vmInstance = vmInstance;
  }

  private void setClusterName( String clusterName ) {
    this.clusterName = clusterName;
  }

  private void setPartitionName( String partitionName ) {
    this.partitionName = partitionName;
  }

  private String getPlacement( ) {
    return this.placement;
  }

  private void setPlacement( String placement ) {
    this.placement = placement;
  }

  @Override
  public String toString( ) {
    StringBuilder builder = new StringBuilder( );
    builder.append( "VmPlacement:" );
    if ( this.clusterName != null ) builder.append( "clusterName=" ).append( this.clusterName ).append( ":" );
    if ( this.partitionName != null ) builder.append( "partitionName=" ).append( this.partitionName );
    return builder.toString( );
  }

  @Override
  public int hashCode( ) {
    final int prime = 31;
    int result = 1;
    result = prime * result + ( ( this.vmInstance == null )
      ? 0
      : this.vmInstance.hashCode( ) );
    return result;
  }

  @Override
  public boolean equals( Object obj ) {
    if ( this == obj ) {
      return true;
    }
    if ( obj == null ) {
      return false;
    }
    if ( getClass( ) != obj.getClass( ) ) {
      return false;
    }
    VmPlacement other = ( VmPlacement ) obj;
    if ( this.vmInstance == null ) {
      if ( other.vmInstance != null ) {
        return false;
      }
    } else if ( !this.vmInstance.equals( other.vmInstance ) ) {
      return false;
    }
    return true;
  }
  
}