objectadapterbase.java

java1.6众多例子参考

/*
 * @(#)ObjectAdapterBase.java	1.41 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.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 ) ;
}