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Java example source code file (ObjectReferenceTemplateImpl.java)

This example Java source code file (ObjectReferenceTemplateImpl.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

corba, inputstream, iorfactory, iortemplatelist, objectadapterid, objectreferenceproducerbase, objectreferencetemplateimpl, outputstream, streamablevalue, string, typecode, util

The ObjectReferenceTemplateImpl.java Java example source code

/*
 * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

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 ;
    }
}

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