OAInvocationInfo.java

/*
 * Copyright (c) 1999, 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
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package org.jboss.com.sun.corba.se.spi.oa;

import javax.rmi.CORBA.Tie;

import org.jboss.com.sun.corba.se.spi.copyobject.ObjectCopierFactory;
import org.omg.CORBA.portable.ServantObject;
import org.omg.PortableServer.ServantLocatorPackage.CookieHolder;

/**
 * This class is a holder for the information required to implement POACurrent. It is also used for the ServantObject
 * that is returned by _servant_preinvoke calls. This allows us to avoid allocating an extra object on each collocated
 * invocation.
 */
public class OAInvocationInfo extends ServantObject
{
    // This is the container object for the servant.
    // In the RMI-IIOP case, it is the RMI-IIOP Tie, and the servant is the target of the Tie. In all other cases, it is
    // the same as the Servant.
    private java.lang.Object servantContainer;

    // These fields are to support standard OMG APIs.
    private ObjectAdapter oa;

    private byte[] oid;

    // These fields are to support the Object adapter implementation.
    private CookieHolder cookieHolder;

    private String operation;

    // This is the copier to be used by javax.rmi.CORBA.Util.copyObject(s) For the current request.
    private ObjectCopierFactory factory;

    public OAInvocationInfo(ObjectAdapter oa, byte[] id)
    {
        this.oa = oa;
        this.oid = id;
    }

    // Copy constructor of sorts; used in local optimization path
    public OAInvocationInfo(OAInvocationInfo info, String operation)
    {
        this.servant = info.servant;
        this.servantContainer = info.servantContainer;
        this.cookieHolder = info.cookieHolder;
        this.oa = info.oa;
        this.oid = info.oid;
        this.factory = info.factory;

        this.operation = operation;
    }

    // getters
    public ObjectAdapter oa()
    {
        return oa;
    }

    public byte[] id()
    {
        return oid;
    }

    public Object getServantContainer()
    {
        return servantContainer;
    }

    // Create CookieHolder on demand. This is only called by a single thread, so no synchronization is needed.
    public CookieHolder getCookieHolder()
    {
        if (cookieHolder == null)
            cookieHolder = new CookieHolder();

        return cookieHolder;
    }

    public String getOperation()
    {
        return operation;
    }

    public ObjectCopierFactory getCopierFactory()
    {
        return factory;
    }

    // setters
    public void setOperation(String operation)
    {
        this.operation = operation;
    }

    public void setCopierFactory(ObjectCopierFactory factory)
    {
        this.factory = factory;
    }

    public void setServant(Object servant)
    {
        servantContainer = servant;
        if (servant instanceof Tie)
            this.servant = ((Tie) servant).getTarget();
        else
            this.servant = servant;
    }
}