Examples of com.sun.appserv.management.base.AMX

com.sun.appserv.management.base.AMX
Base interface implemented by all available interfaces part of the Appserver Application Programming Interface (AMX). An AMX is actually a dynamic client-side proxy to a server-side MBean. It provides a strongly typed and convenient interface for accessing the server-side MBeans.
Certain conventions are followed when an AMX provides access to other AMX instances; when a single item is returned, the return type is strongly-typed. When a Map or Set is returned, the values found in the Map or Set must be cast appropriately. The context should make it obvious what the appropriate cast is. It is always safe to cast to AMX, since this is base interface.
Additional information, such as {@link javax.management.MBeanInfo} for the target MBean,may be obtained via {@link Util#getExtra}
All AMX that emit Notifications place a Map within the userData field of a standard {@link javax.management.Notification}which may be obtained via {@link javax.management.Notification#getUserData}. Within the Map are zero or more items, which vary with the Notification type. Each Notification type, and data available within the Notification, is defined in its respective MBean or in an appropriate place. @see Util#getExtra @see com.sun.appserv.management.base.Extra @see com.sun.appserv.management.base.Container @see com.sun.appserv.management.base.StdAttributesAccess @see com.sun.appserv.management.config.PropertiesAccess @see com.sun.appserv.management.monitor.MonitoringStats @see com.sun.appserv.management.j2ee.J2EEDomain

  {
    final Map<String,ObjectName>  m  = new HashMap<String,ObjectName>();
    
    for( final String key : amxMap.keySet() )
    {
      final AMX  value  = amxMap.get( key );
      m.put( key, getExtra( value ).getObjectName() );
    }
    return( Collections.checkedMap( m, String.class, ObjectName.class) );
  }

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    as items in mCache.
   */
    private AMX
  getCachedProxy( Object key )
  {
    AMX  proxy  = null;
    
    if ( key instanceof ObjectName )
    {
      proxy  = getProxyFactory().getProxy( (ObjectName)key, AMX.class );
    }

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  getProxyInterface( final ObjectName  objectName )
    throws IOException, JMException, ClassNotFoundException
  {
    // by fetching a proxy this way, it may already exist, with an already-cached
    // interface.
    final AMX  proxy  = getProxyFactory().getProxy( objectName, AMX.class );
    
    final Class  proxyInterface  = ClassUtil.getClassFromName( Util.getExtra( proxy ).getInterfaceName() );
    
    return( proxyInterface );
  }

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    final int    numArgs  = (args == null) ? 0 : args.length;
    
    final String  argString  = args == null ? "" : ArrayStringifier.stringify( args, "_" );
    final String   cacheKey  = methodName + argString;
    
    AMX    proxy  = getCachedProxy( cacheKey );
  
    if ( proxy == null )
    {
      final Class    returnClass  = method.getReturnType();
      ObjectName    objectName  = null;

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    final String[]  stringSig  = getStringSig( method );
    final ObjectName  objectName  = (ObjectName)invokeTarget( methodName, args, stringSig );
    assert( objectName != null ) :
      "received null ObjectName from: " + methodName + " on target " + getTargetObjectName();
    
    final AMX  proxy  = createProxy( objectName );
    assert( getProxyFactory().getProxy( Util.getExtra( proxy ).getObjectName(),AMX.class, false ) == proxy );
    
    return( proxy );
  }

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            }
        }
        
        if ( objectName != null )
        {
            final AMX   amx = getProxy( objectName, AMX.class);
                
            removeConfig( amx.getJ2EEType(), amx.getName() );
        }
        else
        {
        throw new IllegalArgumentException( "Not found: " + name );
        }

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