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Java example source code file (ObjectAdapterBase.java)

This example Java source code file (ObjectAdapterBase.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, iortemplate, oadestroyed, oainvocationinfo, objectadapterbase, objectadapterid, objectcopierfactory, objectkeytemplate, objectreferencefactory, objectreferencetemplate, omgsystemexception, poasystemexception, policies, policy, string

The ObjectAdapterBase.java Java example source code

/*
 * Copyright (c) 2001, 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.spi.oa ;

import org.omg.PortableInterceptor.ObjectReferenceTemplate ;
import org.omg.PortableInterceptor.ObjectReferenceFactory ;

import org.omg.CORBA.Policy ;

import org.omg.PortableInterceptor.ACTIVE ;

import com.sun.corba.se.spi.copyobject.ObjectCopierFactory ;
import com.sun.corba.se.spi.ior.IORFactories ;
import com.sun.corba.se.spi.ior.IORTemplate ;
import com.sun.corba.se.spi.ior.ObjectAdapterId;
import com.sun.corba.se.spi.ior.ObjectKeyTemplate ;
import com.sun.corba.se.spi.logging.CORBALogDomains ;
import com.sun.corba.se.spi.oa.OADestroyed ;
import com.sun.corba.se.spi.oa.ObjectAdapter ;
import com.sun.corba.se.spi.orb.ORB ;
import com.sun.corba.se.spi.protocol.PIHandler ;

import com.sun.corba.se.impl.logging.POASystemException ;
import com.sun.corba.se.impl.logging.OMGSystemException ;
import com.sun.corba.se.impl.oa.poa.Policies;

abstract public class ObjectAdapterBase extends org.omg.CORBA.LocalObject
    implements ObjectAdapter
{
    private ORB orb;

    // Exception wrappers
    private final POASystemException _iorWrapper ;
    private final POASystemException _invocationWrapper ;
    private final POASystemException _lifecycleWrapper ;
    private final OMGSystemException _omgInvocationWrapper ;
    private final OMGSystemException _omgLifecycleWrapper ;

    // Data related to the construction of object references and
    // supporting the Object Reference Template.
    private IORTemplate iortemp;
    private byte[] adapterId ;
    private ObjectReferenceTemplate adapterTemplate ;
    private ObjectReferenceFactory currentFactory ;

    public ObjectAdapterBase( ORB orb )
    {
        this.orb = orb ;
        _iorWrapper = POASystemException.get( orb,
            CORBALogDomains.OA_IOR ) ;
        _lifecycleWrapper = POASystemException.get( orb,
            CORBALogDomains.OA_LIFECYCLE ) ;
        _omgLifecycleWrapper = OMGSystemException.get( orb,
            CORBALogDomains.OA_LIFECYCLE ) ;
        _invocationWrapper = POASystemException.get( orb,
            CORBALogDomains.OA_INVOCATION ) ;
        _omgInvocationWrapper = OMGSystemException.get( orb,
            CORBALogDomains.OA_INVOCATION ) ;
    }

    public final POASystemException iorWrapper()
    {
        return _iorWrapper ;
    }

    public final POASystemException lifecycleWrapper()
    {
        return _lifecycleWrapper ;
    }

    public final OMGSystemException omgLifecycleWrapper()
    {
        return _omgLifecycleWrapper ;
    }

    public final POASystemException invocationWrapper()
    {
        return _invocationWrapper ;
    }

    public final OMGSystemException omgInvocationWrapper()
    {
        return _omgInvocationWrapper ;
    }

    /*
     * This creates the complete template.
     * When it is done, reference creation can proceed.
     */
    final public void initializeTemplate( ObjectKeyTemplate oktemp,
        boolean notifyORB, Policies policies, String codebase,
        String objectAdapterManagerId, ObjectAdapterId objectAdapterId)
    {
        adapterId = oktemp.getAdapterId() ;

        iortemp = IORFactories.makeIORTemplate(oktemp) ;

        // This calls acceptors which create profiles and may
        // add tagged components to those profiles.
        orb.getCorbaTransportManager().addToIORTemplate(
            iortemp, policies,
            codebase, objectAdapterManagerId, objectAdapterId);

        adapterTemplate = IORFactories.makeObjectReferenceTemplate( orb,
            iortemp ) ;
        currentFactory = adapterTemplate ;

        if (notifyORB) {
            PIHandler pih = orb.getPIHandler() ;
            if (pih != null)
                // This runs the IORInterceptors.
                pih.objectAdapterCreated( this ) ;
        }

        iortemp.makeImmutable() ;
    }

    final public org.omg.CORBA.Object makeObject( String repId, byte[] oid )
    {
        return currentFactory.make_object( repId, oid ) ;
    }

    final public byte[] getAdapterId()
    {
        return adapterId ;
    }

    final public ORB getORB()
    {
        return orb ;
    }

    abstract public Policy getEffectivePolicy( int type ) ;

    final public IORTemplate getIORTemplate()
    {
        return iortemp ;
    }

    abstract public int getManagerId() ;

    abstract public short getState() ;

    final public ObjectReferenceTemplate getAdapterTemplate()
    {
        return adapterTemplate ;
    }

    final public ObjectReferenceFactory getCurrentFactory()
    {
        return currentFactory ;
    }

    final public void setCurrentFactory( ObjectReferenceFactory factory )
    {
        currentFactory = factory ;
    }

    abstract public org.omg.CORBA.Object getLocalServant( byte[] objectId ) ;

    abstract public void getInvocationServant( OAInvocationInfo info ) ;

    abstract public void returnServant() ;

    abstract public void enter() throws OADestroyed ;

    abstract public void exit() ;

    abstract protected ObjectCopierFactory getObjectCopierFactory() ;

    // Note that all current subclasses share the same implementation of this method,
    // but overriding it would make sense for OAs that use a different InvocationInfo.
    public OAInvocationInfo makeInvocationInfo( byte[] objectId )
    {
        OAInvocationInfo info = new OAInvocationInfo( this, objectId ) ;
        info.setCopierFactory( getObjectCopierFactory() ) ;
        return info ;
    }

    abstract public String[] getInterfaces( Object servant, byte[] objectId ) ;
}

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