objectreferencefactoryimpl.java

java1.6众多例子参考

/*
 * @(#)ObjectReferenceFactoryImpl.java	1.10 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.ior ;

import java.util.Iterator ;

import org.omg.CORBA.portable.InputStream ;
import org.omg.CORBA.portable.OutputStream ;
import org.omg.CORBA.portable.StreamableValue ;

import org.omg.CORBA.TypeCode ;

import org.omg.PortableInterceptor.ObjectReferenceFactory ;
import org.omg.PortableInterceptor.ObjectReferenceFactoryHelper ;

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

import com.sun.corba.se.spi.ior.ObjectId ;
import com.sun.corba.se.spi.ior.ObjectKeyTemplate ;
import com.sun.corba.se.spi.ior.ObjectAdapterId ;
import com.sun.corba.se.spi.ior.IOR;
import com.sun.corba.se.spi.ior.IORFactory;
import com.sun.corba.se.spi.ior.IORTemplateList;
import com.sun.corba.se.spi.ior.IORFactories;

import com.sun.corba.se.impl.orbutil.ORBUtility ;

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

/** This is an implementation of the ObjectReferenceFactory abstract value 
* type defined by the portable interceptors IDL.  
* Note that this is a direct Java implementation
* of the abstract value type: there is no stateful value type defined in IDL,
* since defining the state in IDL is awkward and inefficient.  The best way
* to define the state is to use internal data structures that can be written
* to and read from CORBA streams.
*/
public class ObjectReferenceFactoryImpl extends ObjectReferenceProducerBase
    implements ObjectReferenceFactory, StreamableValue 
{
    transient private IORTemplateList iorTemplates ;

    public ObjectReferenceFactoryImpl( InputStream is )
    {
	super( (ORB)(is.orb()) ) ;
	_read( is ) ;
    }

    public ObjectReferenceFactoryImpl( ORB orb, IORTemplateList iortemps ) 
    {
	super( orb ) ;
	iorTemplates = iortemps ;
    }

    public boolean equals( Object obj )
    {
	if (!(obj instanceof ObjectReferenceFactoryImpl))
	    return false ;

	ObjectReferenceFactoryImpl other = (ObjectReferenceFactoryImpl)obj ;

	return (iorTemplates != null) && 
	    iorTemplates.equals( other.iorTemplates ) ;
    }

    public int hashCode()
    {
	return iorTemplates.hashCode() ;
    }

    // Note that this repository ID must reflect the implementation
    // of the abstract valuetype (that is, this class), not the
    // repository ID of the org.omg.PortableInterceptor.ObjectReferenceFactory
    // class.  This allows for multiple independent implementations 
    // of the abstract valuetype, should that become necessary.
    public static final String repositoryId = 
	"IDL:com/sun/corba/se/impl/ior/ObjectReferenceFactoryImpl:1.0" ;

    public String[] _truncatable_ids() 
    {
	return new String[] { repositoryId } ;
    }

    public TypeCode _type() 
    {
	return ObjectReferenceFactoryHelper.type() ;
    }

    /** Read the data into a (presumably) empty ObjectReferenceFactoryImpl.  
    * This sets the orb to the ORB of the InputStream.  
    */
    public void _read( InputStream is ) 
    {
	org.omg.CORBA_2_3.portable.InputStream istr = 
	    (org.omg.CORBA_2_3.portable.InputStream)is ;

	iorTemplates = IORFactories.makeIORTemplateList( istr ) ;
    }

    /** Write the state to the OutputStream.  
     */
    public void _write( OutputStream os ) 
    {
	org.omg.CORBA_2_3.portable.OutputStream ostr = 
	    (org.omg.CORBA_2_3.portable.OutputStream)os ;

	iorTemplates.write( ostr ) ;
    }

    public IORFactory getIORFactory()
    {
	return iorTemplates ;
    }

    public IORTemplateList getIORTemplateList() 
    {
	return iorTemplates ;
    }
}