| /* |
| * Copyright (c) 2002, 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.oa.poa ; |
| |
| import java.util.Collection; |
| import java.util.Enumeration ; |
| |
| import org.omg.PortableServer.Servant ; |
| import org.omg.PortableServer.ForwardRequest ; |
| import org.omg.PortableServer.POAPackage.WrongPolicy ; |
| |
| import com.sun.corba.se.spi.extension.ServantCachingPolicy ; |
| import com.sun.corba.se.spi.orb.ORB ; |
| import com.sun.corba.se.spi.transport.SocketOrChannelAcceptor; |
| |
| import com.sun.corba.se.impl.orbutil.ORBConstants ; |
| import com.sun.corba.se.impl.orbutil.ORBUtility ; |
| import com.sun.corba.se.impl.orbutil.concurrent.SyncUtil ; |
| |
| |
| /** Implementation of POARequesHandler that provides policy specific |
| * operations on the POA. |
| */ |
| public abstract class POAPolicyMediatorBase implements POAPolicyMediator { |
| protected POAImpl poa ; |
| protected ORB orb ; |
| |
| private int sysIdCounter ; |
| private Policies policies ; |
| private DelegateImpl delegateImpl ; |
| |
| private int serverid ; |
| private int scid ; |
| |
| protected boolean isImplicit ; |
| protected boolean isUnique ; |
| protected boolean isSystemId ; |
| |
| public final Policies getPolicies() |
| { |
| return policies ; |
| } |
| |
| public final int getScid() |
| { |
| return scid ; |
| } |
| |
| public final int getServerId() |
| { |
| return serverid ; |
| } |
| |
| POAPolicyMediatorBase( Policies policies, POAImpl poa ) |
| { |
| if (policies.isSingleThreaded()) |
| throw poa.invocationWrapper().singleThreadNotSupported() ; |
| |
| POAManagerImpl poam = (POAManagerImpl)(poa.the_POAManager()) ; |
| POAFactory poaf = poam.getFactory() ; |
| delegateImpl = (DelegateImpl)(poaf.getDelegateImpl()) ; |
| this.policies = policies ; |
| this.poa = poa ; |
| orb = (ORB)poa.getORB() ; |
| |
| switch (policies.servantCachingLevel()) { |
| case ServantCachingPolicy.NO_SERVANT_CACHING : |
| scid = ORBConstants.TRANSIENT_SCID ; |
| break ; |
| case ServantCachingPolicy.FULL_SEMANTICS : |
| scid = ORBConstants.SC_TRANSIENT_SCID ; |
| break ; |
| case ServantCachingPolicy.INFO_ONLY_SEMANTICS : |
| scid = ORBConstants.IISC_TRANSIENT_SCID ; |
| break ; |
| case ServantCachingPolicy.MINIMAL_SEMANTICS : |
| scid = ORBConstants.MINSC_TRANSIENT_SCID ; |
| break ; |
| } |
| |
| if ( policies.isTransient() ) { |
| serverid = orb.getTransientServerId(); |
| } else { |
| serverid = orb.getORBData().getPersistentServerId(); |
| scid = ORBConstants.makePersistent( scid ) ; |
| } |
| |
| isImplicit = policies.isImplicitlyActivated() ; |
| isUnique = policies.isUniqueIds() ; |
| isSystemId = policies.isSystemAssignedIds() ; |
| |
| sysIdCounter = 0 ; |
| } |
| |
| public final java.lang.Object getInvocationServant( byte[] id, |
| String operation ) throws ForwardRequest |
| { |
| java.lang.Object result = internalGetServant( id, operation ) ; |
| |
| return result ; |
| } |
| |
| // Create a delegate and stick it in the servant. |
| // This delegate is needed during dispatch for the ObjectImpl._orb() |
| // method to work. |
| protected final void setDelegate(Servant servant, byte[] id) |
| { |
| //This new servant delegate no longer needs the id for |
| // its initialization. |
| servant._set_delegate(delegateImpl); |
| } |
| |
| public synchronized byte[] newSystemId() throws WrongPolicy |
| { |
| if (!isSystemId) |
| throw new WrongPolicy() ; |
| |
| byte[] array = new byte[8]; |
| ORBUtility.intToBytes(++sysIdCounter, array, 0); |
| ORBUtility.intToBytes( poa.getPOAId(), array, 4); |
| return array; |
| } |
| |
| protected abstract java.lang.Object internalGetServant( byte[] id, |
| String operation ) throws ForwardRequest ; |
| } |