objectreferencetemplateimpl.java

java1.6众多例子参考

/*
 * @(#)ObjectReferenceTemplateImpl.java	1.36 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.ObjectReferenceTemplate ;
import org.omg.PortableInterceptor.ObjectReferenceTemplateHelper ;

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.IORTemplate;
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 ObjectReferenceTemplate 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 ObjectReferenceTemplateImpl extends ObjectReferenceProducerBase
    implements ObjectReferenceTemplate, StreamableValue 
{
    transient private IORTemplate iorTemplate ;

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

    public ObjectReferenceTemplateImpl( ORB orb, IORTemplate iortemp ) 
    {
	super( orb ) ;
	iorTemplate = iortemp ;
    }

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

	ObjectReferenceTemplateImpl other = (ObjectReferenceTemplateImpl)obj ;

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

    public int hashCode()
    {
	return iorTemplate.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.ObjectReferenceTemplate
    // 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/ObjectReferenceTemplateImpl:1.0" ;

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

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

    /** Read the data into a (presumably) empty ORTImpl.  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 ;
	iorTemplate = IORFactories.makeIORTemplate( istr ) ;
	orb = (ORB)(istr.orb()) ;
    }

    /** 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 ;

	iorTemplate.write( ostr ) ;
    }

    public String server_id ()
    {
	int val = iorTemplate.getObjectKeyTemplate().getServerId() ;
	return Integer.toString( val ) ;
    }

    public String orb_id ()
    {
	return iorTemplate.getObjectKeyTemplate().getORBId() ;
    }

    public String[] adapter_name()
    {
	ObjectAdapterId poaid = 
	    iorTemplate.getObjectKeyTemplate().getObjectAdapterId() ;

	return poaid.getAdapterName() ;
    }

    public IORFactory getIORFactory() 
    {
	return iorTemplate ;
    }

    public IORTemplateList getIORTemplateList() 
    {
	IORTemplateList tl = IORFactories.makeIORTemplateList() ;
	tl.add( iorTemplate ) ;
	tl.makeImmutable() ;
	return tl ;
    }
}