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.lib.filter;
28:
29: import org.cougaar.planning.ldm.plan.Task;
30:
31: /**
32: * Interface for listeners that check task consistency.
33: *
34: */
35:
36: public interface UTILTaskChecker {
37: /**
38: * Examines task to see if task looks like what the plugin
39: * expects it to look like.
40: *
41: * This is plugin-dependent. For example, the
42: * planning factor for unloading a ship is 2 days, but
43: * if the task's time window is 1 day, the task is
44: * not "well formed." Duration is a common test, but others
45: * could also be a good idea...
46: *
47: * This is an explicit contract with the plugin
48: * that feeds this plugins tasks, governing which tasks
49: * are possible for this plugin to handle.
50: *
51: * @param t Task to check for consistency
52: * @return true if task is OK
53: */
54: boolean isTaskWellFormed(Task t);
55:
56: /**
57: * Got an ill-formed task, now handle it, probably by
58: * publishing a failed plan element for the task.
59: * @param t badly-formed task to handle
60: */
61: void handleIllFormedTask(Task t);
62: }
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