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.Collection;
30: import java.util.Enumeration;
31:
32: import org.cougaar.multicast.AttributeBasedAddress;
33: import org.cougaar.util.UnaryPredicate;
34:
35: /**
36: * A {@link org.cougaar.core.domain.Domain}s view of the blackboard.
37: */
38: public interface BlackboardServesDomain {
39: /** Apply predicate against the entire blackboard. */
40: Enumeration searchBlackboard(UnaryPredicate predicate);
41:
42: /**
43: * Add Object to the Blackboard Collection
44: * (All subscribers will be notified)
45: */
46: void add(Object o);
47:
48: /**
49: * Removed Object to the Blackboard Collection
50: * (All subscribers will be notified)
51: */
52: void remove(Object o);
53:
54: /**
55: * Change Object to the Blackboard Collection
56: * (All subscribers will be notified)
57: */
58: void change(Object o, Collection changes);
59:
60: /**
61: * Alias for sendDirective(dir, null);
62: */
63: void sendDirective(Directive dir);
64:
65: /**
66: * Reliably send a directive. Take pains to retransmit this message
67: * until it is acknowledged even if agents crash.
68: */
69: void sendDirective(Directive dir, Collection changeReports);
70:
71: PublishHistory getHistory();
72:
73: /**
74: * Get ABA translation status.
75: * @return an ABATranslation giving translations of an ABA.
76: * Returns null if the translations are unchanged.
77: * @param aba the ABA to translate
78: */
79: ABATranslation getABATranslation(AttributeBasedAddress aba);
80: }
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