01: /*
02: * <copyright>
03: *
04: * Copyright 2002-2004 BBNT Solutions, LLC
05: * under sponsorship of the Defense Advanced Research Projects
06: * Agency (DARPA).
07: *
08: * You can redistribute this software and/or modify it under the
09: * terms of the Cougaar Open Source License as published on the
10: * Cougaar Open Source Website (www.cougaar.org).
11: *
12: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
14: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
15: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
16: * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
17: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
18: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23: *
24: * </copyright>
25: */
26:
27: package org.cougaar.core.wp.resolver;
28:
29: import java.io.Serializable;
30:
31: /**
32: * A simple wrapper around an object that adds a String name.
33: * <p>
34: * This is used to tag a request (e.g. a Record-based modify)
35: * with the name of the agent requesting the action. Most
36: * clients will simply remove the tag to get to the wrapped
37: * object.
38: */
39: public final class NameTag implements Serializable {
40:
41: private final String name;
42: private final Object obj;
43:
44: public NameTag(String name, Object obj) {
45: this .name = name;
46: this .obj = obj;
47: // validate
48: String s = ((name == null) ? "null name" : null);
49: if (s != null) {
50: throw new IllegalArgumentException(s);
51: }
52: }
53:
54: /**
55: * @return the name
56: */
57: public String getName() {
58: return name;
59: }
60:
61: /**
62: * @return the wrapped object
63: */
64: public Object getObject() {
65: return obj;
66: }
67:
68: public String toString() {
69: return "(tag name=" + name + " value=" + obj + ")";
70: }
71: }
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