toafactory.java

java1.6众多例子参考

/*
 * @(#)TOAFactory.java	1.18 05/11/17
 * 
 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package com.sun.corba.se.impl.oa.toa ;

import java.util.Map ;
import java.util.HashMap ;

import org.omg.CORBA.INTERNAL ;
import org.omg.CORBA.CompletionStatus ;

import com.sun.corba.se.spi.oa.ObjectAdapterFactory ;
import com.sun.corba.se.spi.oa.ObjectAdapter ;

import com.sun.corba.se.spi.orb.ORB ;

import com.sun.corba.se.spi.ior.ObjectAdapterId ;

import com.sun.corba.se.impl.oa.toa.TOAImpl ;
import com.sun.corba.se.impl.oa.toa.TransientObjectManager ;

import com.sun.corba.se.impl.javax.rmi.CORBA.Util ;

import com.sun.corba.se.impl.ior.ObjectKeyTemplateBase ;

import com.sun.corba.se.spi.logging.CORBALogDomains ;
import com.sun.corba.se.impl.logging.ORBUtilSystemException ;

public class TOAFactory implements ObjectAdapterFactory 
{
    private ORB orb ;
    private ORBUtilSystemException wrapper ;

    private TOAImpl toa ;
    private Map codebaseToTOA ;
    private TransientObjectManager tom ; 

    public ObjectAdapter find ( ObjectAdapterId oaid ) 
    {
	if (oaid.equals( ObjectKeyTemplateBase.JIDL_OAID )  )
	    // Return the dispatch-only TOA, which can dispatch
	    // request for objects created by any TOA.
	    return getTOA() ;
	else 
	    throw wrapper.badToaOaid() ;
    }

    public void init( ORB orb )
    {
	this.orb = orb ;
	wrapper = ORBUtilSystemException.get( orb,
	    CORBALogDomains.OA_LIFECYCLE ) ;
	tom = new TransientObjectManager( orb ) ;
	codebaseToTOA = new HashMap() ;
    }

    public void shutdown( boolean waitForCompletion )
    {
	if (Util.instance != null) {
	    Util.instance.unregisterTargetsForORB(orb);
	}
    }

    public synchronized TOA getTOA( String codebase )
    {
	TOA toa = (TOA)(codebaseToTOA.get( codebase )) ;
	if (toa == null) {
	    toa = new TOAImpl( orb, tom, codebase ) ;

	    codebaseToTOA.put( codebase, toa ) ;
	}

	return toa ;
    }

    public synchronized TOA getTOA() 
    {
	if (toa == null)
	    // The dispatch-only TOA is not used for creating
	    // objrefs, so its codebase can be null (and must
	    // be, since we do not have a servant at this point)
	    toa = new TOAImpl( orb, tom, null ) ;

	return toa ;
    }

    public ORB getORB() 
    {
	return orb ;
    }
} ;