ForwardException.java

/*
 * Copyright (c) 1996, 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.protocol;

import org.jboss.com.sun.corba.se.impl.orbutil.ORBUtility;
import org.jboss.com.sun.corba.se.spi.ior.IOR;
import org.jboss.com.sun.corba.se.spi.orb.ORB;
import org.omg.CORBA.BAD_PARAM;

/**
 * Thrown to signal an OBJECT_FORWARD or LOCATION_FORWARD
 */
public class ForwardException extends RuntimeException
{

    private static final long serialVersionUID = 3312717244337667473L;

    private org.omg.CORBA.Object obj;

    private IOR ior;

    public ForwardException(ORB orb, IOR ior)
    {
        super();

        this.obj = null;
        this.ior = ior;
    }

    public ForwardException(ORB orb, org.omg.CORBA.Object obj)
    {
        super();

        // This check is done early so that no attempt
        // may be made to do a location forward to a local
        // object. Doing this lazily would allow
        // forwarding to locals in some restricted cases.
        if (obj instanceof org.omg.CORBA.LocalObject)
            throw new BAD_PARAM();

        this.obj = obj;
        this.ior = null;
    }

    public synchronized org.omg.CORBA.Object getObject()
    {
        if (obj == null)
        {
            obj = ORBUtility.makeObjectReference(ior);
        }

        return obj;
    }

    public synchronized IOR getIOR()
    {
        if (ior == null)
        {
            ior = ORBUtility.getIOR(obj);
        }

        return ior;
    }
}