jdk8-mips64-public/corba: src/share/classes/com/sun/corba/se/impl/protocol/LocalClientRequestDispatcherBase.java@e324dfb90c9e (annotated)

src/share/classes/com/sun/corba/se/impl/protocol/LocalClientRequestDispatcherBase.java@e324dfb90c9e (annotated)

src/share/classes/com/sun/corba/se/impl/protocol/LocalClientRequestDispatcherBase.java

Wed, 28 Mar 2012 02:50:50 -0700

author: mbankal
date: Wed, 28 Mar 2012 02:50:50 -0700
changeset 371: e324dfb90c9e
parent 158: 91006f157c46
child 748: 6845b95cba6b
permissions: -rw-r--r--

7079902: Refine CORBA data models
Reviewed-by: coffeys

 /*
  * Copyright (c) 2002, 2012, 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.protocol;
 import org.omg.CORBA.portable.ServantObject;
 import com.sun.corba.se.spi.protocol.LocalClientRequestDispatcher;
 import com.sun.corba.se.spi.protocol.RequestDispatcherRegistry;
 import com.sun.corba.se.spi.orb.ORB;
 import com.sun.corba.se.spi.ior.IOR ;
 import com.sun.corba.se.spi.oa.ObjectAdapterFactory;
 import com.sun.corba.se.spi.ior.ObjectAdapterId;
 import com.sun.corba.se.spi.ior.TaggedProfile;
 import com.sun.corba.se.spi.ior.ObjectKeyTemplate;
 import com.sun.corba.se.spi.ior.ObjectId;
 public abstract class LocalClientRequestDispatcherBase implements LocalClientRequestDispatcher
 {
     protected ORB orb;
     int scid;
     // Cached information needed for local dispatch
     protected boolean servantIsLocal ;
     protected ObjectAdapterFactory oaf ;
     protected ObjectAdapterId oaid ;
     protected byte[] objectId ;
     // If isNextIsLocalValid.get() == Boolean.TRUE,
     // the next call to isLocal should be valid
     private static final ThreadLocal isNextCallValid = new ThreadLocal() {
             protected synchronized Object initialValue() {
                 return Boolean.TRUE;
             }
         };
     protected LocalClientRequestDispatcherBase(ORB orb, int scid, IOR ior)
     {
         this.orb = orb ;
         TaggedProfile prof = ior.getProfile() ;
         servantIsLocal = orb.getORBData().isLocalOptimizationAllowed() &&
             prof.isLocal();
         ObjectKeyTemplate oktemp = prof.getObjectKeyTemplate() ;
         this.scid = oktemp.getSubcontractId() ;
         RequestDispatcherRegistry sreg = orb.getRequestDispatcherRegistry() ;
         oaf = sreg.getObjectAdapterFactory( scid ) ;
         oaid = oktemp.getObjectAdapterId() ;
         ObjectId oid = prof.getObjectId() ;
         objectId = oid.getId() ;
     }
     public byte[] getObjectId()
     {
         return objectId ;
     }
     public boolean is_local(org.omg.CORBA.Object self)
     {
         return false;
     }
     /*
     * Possible paths through
     * useLocalInvocation/servant_preinvoke/servant_postinvoke:
     *
     * A: call useLocalInvocation
     * If useLocalInvocation returns false, servant_preinvoke is not called.
     * If useLocalInvocation returns true,
     * call servant_preinvoke
     *   If servant_preinvoke returns null,
     *       goto A
     *   else
     *       (local invocation proceeds normally)
     *       servant_postinvoke is called
     *
     */
     public boolean useLocalInvocation( org.omg.CORBA.Object self )
     {
         if (isNextCallValid.get() == Boolean.TRUE)
             return servantIsLocal ;
         else
             isNextCallValid.set( Boolean.TRUE ) ;
         return false ;
     }
     /** Check that the servant in info (which must not be null) is
     * an instance of the expectedType.  If not, set the thread local flag
     * and return false.
     */
     protected boolean checkForCompatibleServant( ServantObject so,
         Class expectedType )
     {
         if (so == null)
             return false ;
         // Normally, this test will never fail.  However, if the servant
         // and the stub were loaded in different class loaders, this test
         // will fail.
         if (!expectedType.isInstance( so.servant )) {
             isNextCallValid.set( Boolean.FALSE ) ;
             // When servant_preinvoke returns null, the stub will
             // recursively re-invoke itself.  Thus, the next call made from
             // the stub is another useLocalInvocation call.
             return false ;
         }
         return true ;
     }
 }
 // End of file.

Mercurial > jdk8-mips64-public > corba / annotate

src/share/classes/com/sun/corba/se/impl/protocol/LocalClientRequestDispatcherBase.java@e324dfb90c9e (annotated)

src/share/classes/com/sun/corba/se/impl/protocol/LocalClientRequestDispatcherBase.java