01: /*
02: * <copyright>
03: *
04: * Copyright 1997-2004 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.planning.ldm.plan;
28:
29: import java.util.Collection;
30: import java.util.HashSet;
31:
32: /** ContextOfOplanIds is an implementation of Context. It is simply a Set of Oplan IDs.
33: * It can be used when the current oplan under which to operate needs to be referenced.
34: * @see "org.cougaar.glm.ldm.oplan.Oplan"
35: * @see Context
36: */
37: public class ContextOfOplanIds extends HashSet<String> implements
38: Context, Collection<String> {
39:
40: public ContextOfOplanIds(Collection<String> ids) {
41: addAll(ids);
42: }
43:
44: /**
45: * Constructor that creates a collection with one and only one oplanID
46: * @param oneOplanId to add
47: */
48: public ContextOfOplanIds(String oneOplanId) {
49: add(oneOplanId);
50: }
51:
52: /**
53: * A constructor that copies the elements of the passed in array into the collection
54: */
55: public ContextOfOplanIds(String[] arrayOfOplanIDS) {
56: for (String anArrayOfOplanIDS : arrayOfOplanIDS) {
57: add(anArrayOfOplanIDS);
58: }
59: }
60:
61: /**
62: * There should always be exactly one oplan
63: * @return only oplan id
64: */
65: public String getOPlanId() {
66: if (isEmpty()) {
67: System.err.println("huh? no oplans?");
68: return "";
69: }
70: return iterator().next();
71: }
72: }
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