/*
* @(#)POAPolicyMediatorImpl_NR_USM.java 1.25 03/12/19
*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package com.sun.corba.se.impl.oa.poa ;
import java.util.Enumeration ;
import org.omg.PortableServer.POA ;
import org.omg.PortableServer.Servant ;
import org.omg.PortableServer.ServantManager ;
import org.omg.PortableServer.ServantLocator ;
import org.omg.PortableServer.ForwardRequest ;
import org.omg.PortableServer.POAPackage.NoServant ;
import org.omg.PortableServer.POAPackage.WrongPolicy ;
import org.omg.PortableServer.POAPackage.ObjectNotActive ;
import org.omg.PortableServer.POAPackage.ServantNotActive ;
import org.omg.PortableServer.POAPackage.ObjectAlreadyActive ;
import org.omg.PortableServer.POAPackage.ServantAlreadyActive ;
import org.omg.PortableServer.ServantLocatorPackage.CookieHolder ;
import com.sun.corba.se.impl.orbutil.concurrent.SyncUtil ;
import com.sun.corba.se.impl.orbutil.ORBUtility ;
import com.sun.corba.se.impl.orbutil.ORBConstants ;
import com.sun.corba.se.spi.oa.OAInvocationInfo ;
import com.sun.corba.se.impl.oa.NullServantImpl ;
/** Implementation of POARequesHandler that provides policy specific
* operations on the POA.
*/
public class POAPolicyMediatorImpl_NR_USM extends POAPolicyMediatorBase {
private ServantLocator locator ;
POAPolicyMediatorImpl_NR_USM( Policies policies, POAImpl poa )
{
super( policies, poa ) ;
// assert !policies.retainServants() && policies.useServantManager()
if (policies.retainServants())
throw poa.invocationWrapper().policyMediatorBadPolicyInFactory() ;
if (!policies.useServantManager())
throw poa.invocationWrapper().policyMediatorBadPolicyInFactory() ;
locator = null ;
}
protected java.lang.Object internalGetServant( byte[] id,
String operation ) throws ForwardRequest
{
if (locator == null)
throw poa.invocationWrapper().poaNoServantManager() ;
CookieHolder cookieHolder = orb.peekInvocationInfo().getCookieHolder() ;
// Try - finally is J2EE requirement.
java.lang.Object servant;
try{
poa.unlock() ;
servant = locator.preinvoke(id, poa, operation, cookieHolder);
if (servant == null)
servant = new NullServantImpl( poa.omgInvocationWrapper().nullServantReturned() ) ;
else
setDelegate( (Servant)servant, id);
} finally {
poa.lock() ;
}
return servant;
}
public void returnServant()
{
OAInvocationInfo info = orb.peekInvocationInfo();
if (locator == null)
return;
try {
poa.unlock() ;
locator.postinvoke(info.id(), (POA)(info.oa()),
info.getOperation(), info.getCookieHolder().value,
(Servant)(info.getServantContainer()) );
} finally {
poa.lock() ;
}
}
public void etherealizeAll()
{
// NO-OP
}
public void clearAOM()
{
// NO-OP
}
public ServantManager getServantManager() throws WrongPolicy
{
return locator ;
}
public void setServantManager( ServantManager servantManager ) throws WrongPolicy
{
if (locator != null)
throw poa.invocationWrapper().servantManagerAlreadySet() ;
if (servantManager instanceof ServantLocator)
locator = (ServantLocator)servantManager;
else
throw poa.invocationWrapper().servantManagerBadType() ;
}
public Servant getDefaultServant() throws NoServant, WrongPolicy
{
throw new WrongPolicy();
}
public void setDefaultServant( Servant servant ) throws WrongPolicy
{
throw new WrongPolicy();
}
public final void activateObject(byte[] id, Servant servant)
throws WrongPolicy, ServantAlreadyActive, ObjectAlreadyActive
{
throw new WrongPolicy();
}
public Servant deactivateObject( byte[] id ) throws ObjectNotActive, WrongPolicy
{
throw new WrongPolicy();
}
public byte[] servantToId( Servant servant ) throws ServantNotActive, WrongPolicy
{
throw new WrongPolicy();
}
public Servant idToServant( byte[] id )
throws WrongPolicy, ObjectNotActive
{
throw new WrongPolicy();
}
}
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