/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.managed.plugins;
import java.io.Serializable;
import java.lang.annotation.Annotation;
import java.lang.reflect.Constructor;
import java.util.Map;
import java.util.Set;
import org.jboss.managed.api.ComponentType;
import org.jboss.managed.api.ManagedDeployment;
import org.jboss.managed.api.ManagedObject;
import org.jboss.managed.api.ManagedOperation;
import org.jboss.managed.api.ManagedProperty;
import org.jboss.managed.api.MutableManagedComponent;
import org.jboss.managed.api.MutableManagedObject;
import org.jboss.managed.api.RunState;
import org.jboss.managed.api.RunStateMapper;
import org.jboss.managed.api.annotation.RunStateProperty;
import org.jboss.metatype.api.values.MetaValue;
/**
* Managed component impl.
*
* @author Scott.Stark@jboss.org
* @version $Revision: 89227 $
*/
public class ManagedComponentImpl extends DelegateManagedCommonImpl
implements MutableManagedComponent, Serializable
{
private static final long serialVersionUID = 1;
private ManagedDeployment owner;
private ComponentType type;
private RunState runState = RunState.UNKNOWN;
private transient RunStateMapper stateMapper;
private transient ManagedProperty stateProperty;
public ManagedComponentImpl(ComponentType type, ManagedDeployment owner, ManagedObject mo)
{
this(type, owner, mo, null);
}
public ManagedComponentImpl(ComponentType type, ManagedDeployment owner, ManagedObject mo,
RunStateMapper stateMapper)
{
super(mo);
this.type = type;
this.owner = owner;
this.stateMapper = stateMapper;
// Determine what the run state property is
Map<String, ManagedProperty> props = mo.getProperties();
if(props != null)
{
for(ManagedProperty prop : props.values())
{
if(prop.hasAnnotation(RunStateProperty.class.getName()))
{
stateProperty = prop;
if(stateMapper == null)
{
// Try to create it from the RunStateProperty
RunStateProperty rsp = (RunStateProperty) prop.getAnnotations().get(RunStateProperty.class.getName());
String[] metaValues = rsp.metaValues();
String[] enumValues = rsp.enumValues();
try
{
Constructor<? extends RunStateMapper> ctor = rsp.value().getConstructor(metaValues.getClass(), enumValues.getClass());
this.stateMapper = ctor.newInstance(metaValues, enumValues);
}
catch (Exception e)
{
try
{
this.stateMapper = rsp.value().newInstance();
}
catch (Exception e1)
{
}
}
}
// Cache the run state
runState = updateRunState();
break;
}
}
}
}
public Map<String, Annotation> getAnnotations()
{
return getDelegate().getAnnotations();
}
public RunStateMapper getStateMapper()
{
return stateMapper;
}
public void setStateMapper(RunStateMapper stateMapper)
{
this.stateMapper = stateMapper;
}
public RunState getRunState()
{
return runState;
}
public void setRunState(RunState runState)
{
this.runState = runState;
}
public void setOperations(Set<ManagedOperation> operations)
{
ManagedObject mo = getDelegate();
if(mo instanceof MutableManagedObject)
{
MutableManagedObject mmo = MutableManagedObject.class.cast(mo);
mmo.setOperations(operations);
}
}
public void setProperties(Map<String, ManagedProperty> properties)
{
ManagedObject mo = getDelegate();
if(mo instanceof MutableManagedObject)
{
MutableManagedObject mmo = MutableManagedObject.class.cast(mo);
mmo.setProperties(properties);
}
}
/**
* Update the cached run state
* @return the updated cache state
*/
public RunState updateRunState()
{
RunState state = RunState.UNKNOWN;
if(stateMapper != null && stateProperty != null)
{
MetaValue value = stateProperty.getValue();
state = stateMapper.getRunState(stateProperty, value);
this.runState = state;
}
return runState;
}
/**
* Update the component statistic property values. This needs to be
* overriden by a subclass in the runtime environment to provide a useful
* implementation.
* @return false always.
*/
public boolean update()
{
return false;
}
public ManagedDeployment getDeployment()
{
return owner;
}
public ComponentType getType()
{
return type;
}
public String toString()
{
StringBuilder tmp = new StringBuilder(super.toString());
tmp.append('{');
tmp.append("name=");
tmp.append(super.getName());
tmp.append(", type=");
tmp.append(type);
tmp.append(", owner=ManagedDeployment@");
tmp.append(System.identityHashCode(owner));
tmp.append('}');
return tmp.toString();
}
}