/*************************************************************************
* 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
* "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.
************************************************************************/
package com.eucalyptus.component;
import java.net.URI;
import org.apache.log4j.Logger;
import com.eucalyptus.bootstrap.OrderedShutdown;
import com.eucalyptus.component.Component.State;
import com.eucalyptus.component.Component.Transition;
import com.eucalyptus.records.Logs;
import com.eucalyptus.util.fsm.StateMachine;
import com.google.common.base.MoreObjects;
public class BasicService {
private static Logger LOG = Logger.getLogger( BasicService.class );
private final ServiceConfiguration serviceConfiguration;
private final StateMachine<ServiceConfiguration, Component.State, Component.Transition> stateMachine;
BasicService( final ServiceConfiguration serviceConfiguration ) {
super( );
this.serviceConfiguration = serviceConfiguration;
this.stateMachine = new ServiceState( this.serviceConfiguration );
URI remoteUri;
if ( this.getServiceConfiguration( ).isVmLocal( ) ) {
remoteUri = ServiceUris.internal( this.getServiceConfiguration( ).getComponentId( ) );
} else {
remoteUri = ServiceUris.internal( this.getServiceConfiguration( ) );
}
if ( this.serviceConfiguration.isVmLocal( ) ) {
ComponentId compId = BasicService.this.serviceConfiguration.getComponentId( );
OrderedShutdown.registerShutdownHook( compId.getClass( ), new Runnable( ) {
@Override
public void run( ) {
try {
ServiceTransitions.pathTo( BasicService.this.serviceConfiguration, Component.State.PRIMORDIAL ).get( );
LOG.warn( "SHUTDOWN Service: " + BasicService.this.serviceConfiguration.getFullName( ) );
} catch ( final InterruptedException ex ) {
Thread.currentThread( ).interrupt( );
} catch ( final Exception ex ) {
LOG.error( ex );
Logs.extreme( ).error( ex, ex );
}
}
@Override
public String toString( ) {
return MoreObjects.toStringHelper( "BasicService.Runnable" )
.add( "serviceConfiguration", BasicService.this.serviceConfiguration.getFullName( ) )
.toString( );
}
} );
}
}
public final String getName( ) {
return this.serviceConfiguration.getFullName( ).toString( );
}
public Boolean isLocal( ) {
return this.serviceConfiguration.isVmLocal( );
}
ServiceConfiguration getServiceConfiguration( ) {
return this.serviceConfiguration;
}
@Override
public String toString( ) {
return String.format( "Service %s name=%s serviceConfiguration=%s\n",
this.getServiceConfiguration( ).getComponentId( ).name( ), this.getName( ), this.getServiceConfiguration( ) );
}
@Override
public int hashCode( ) {
final int prime = 31;
int result = 1;
result = prime * result + ( ( this.serviceConfiguration == null )
? 0
: this.serviceConfiguration.hashCode( ) );
return result;
}
@Override
public boolean equals( final Object obj ) {
if ( this == obj ) {
return true;
}
if ( obj == null ) {
return false;
}
if ( this.getClass( ) != obj.getClass( ) ) {
return false;
}
final BasicService other = ( BasicService ) obj;
if ( this.serviceConfiguration == null ) {
if ( other.serviceConfiguration != null ) {
return false;
}
} else if ( !this.serviceConfiguration.equals( other.serviceConfiguration ) ) {
return false;
}
return true;
}
public int compareTo( final ServiceConfiguration that ) {
return this.serviceConfiguration.compareTo( that );
}
public StateMachine<ServiceConfiguration, State, Transition> getStateMachine( ) {
return this.stateMachine;
}
}