01: /*
02: * <copyright>
03: *
04: * Copyright 1999-2004 Honeywell Inc
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.logistics.plugin.packer;
28:
29: import org.cougaar.planning.ldm.PlanningFactory;
30:
31: import java.util.ArrayList;
32: import java.util.Iterator;
33:
34: /**
35: * Typically, when building an aggregator, one wants to be able to
36: * specify how the Preferences on the MPTask of a Container will
37: * depend on the Preferences of its parent Task(s). This interface
38: * encapsulates that behavior.
39: */
40: public interface PreferenceAggregator {
41: /**
42: * @return The return value of this method should be an Enumeration of
43: * Preferences, suitable to be the input value of the NewTask interface's
44: * setPreferences method.
45: * @see org.cougaar.planning.ldm.plan.NewTask#setPreferences
46: */
47: ArrayList aggregatePreferences(Iterator tasks,
48: PlanningFactory rootFactory);
49: }
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