ForwardException.java revision 608:7e06bf1dcb09 
1/*
2 * Copyright (c) 1996, 2003, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.corba.se.spi.protocol;
27
28import org.omg.CORBA.BAD_PARAM ;
29
30import com.sun.corba.se.impl.orbutil.ORBUtility ;
31
32import com.sun.corba.se.spi.ior.IOR ;
33
34import com.sun.corba.se.spi.orb.ORB ;
35
36/**
37 * Thrown to signal an OBJECT_FORWARD or LOCATION_FORWARD
38 */
39public class ForwardException extends RuntimeException {
40    private ORB orb ;
41    private org.omg.CORBA.Object obj;
42    private IOR ior ;
43
44    public ForwardException( ORB orb, IOR ior ) {
45        super();
46
47        this.orb = orb ;
48        this.obj = null ;
49        this.ior = ior ;
50    }
51
52    public ForwardException( ORB orb, org.omg.CORBA.Object obj) {
53        super();
54
55        // This check is done early so that no attempt
56        // may be made to do a location forward to a local
57        // object.  Doing this lazily would allow
58        // forwarding to locals in some restricted cases.
59        if (obj instanceof org.omg.CORBA.LocalObject)
60            throw new BAD_PARAM() ;
61
62        this.orb = orb ;
63        this.obj = obj ;
64        this.ior = null ;
65    }
66
67    public synchronized org.omg.CORBA.Object getObject()
68    {
69        if (obj == null) {
70            obj = ORBUtility.makeObjectReference( ior ) ;
71        }
72
73        return obj ;
74    }
75
76    public synchronized IOR getIOR()
77    {
78        if (ior == null) {
79            ior = ORBUtility.getIOR( obj ) ;
80        }
81
82        return ior ;
83    }
84}
85