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.core.blackboard;
28:
29: import java.util.ArrayList;
30: import java.util.Collection;
31: import java.util.Iterator;
32:
33: /**
34: * An {@link EnvelopeTuple} indicating that a collection of objects
35: * have been added to the blackboard.
36: */
37: public final class BulkEnvelopeTuple extends EnvelopeTuple {
38: private final Collection bulk;
39:
40: public Object getObject() {
41: return bulk;
42: }
43:
44: public BulkEnvelopeTuple(Collection o) {
45: if (o == null)
46: throw new IllegalArgumentException("Collection is null");
47: bulk = o;
48: }
49:
50: public final int getAction() {
51: return Envelope.BULK;
52: }
53:
54: public final boolean isBulk() {
55: return true;
56: }
57:
58: public final Collection getCollection() {
59: return bulk;
60: }
61:
62: boolean applyToSubscription(Subscription s, boolean isVisible) {
63: boolean changedP = false;
64:
65: if (bulk instanceof ArrayList) {
66: ArrayList a = (ArrayList) bulk;
67: int l = a.size();
68: for (int i = 0; i < l; i++) {
69: Object o = a.get(i);
70: if (o == null)
71: continue;
72: changedP |= s.conditionalAdd(o, isVisible);
73: }
74: } else {
75: for (Iterator it = bulk.iterator(); it.hasNext();) {
76: Object o = it.next();
77: if (o == null)
78: continue;
79: changedP |= s.conditionalAdd(o, isVisible);
80: }
81: }
82: return changedP;
83: }
84: }
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