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.mlm.plugin.ldm;
28:
29: import org.cougaar.core.blackboard.Subscriber;
30: import org.cougaar.planning.ldm.PropertyProvider;
31: import org.cougaar.planning.ldm.PrototypeProvider;
32: import org.cougaar.planning.plugin.legacy.SimplePlugin;
33:
34: /**
35: * The purpose of this class is to provide a base class for the creation of LDMPlugins.
36: * This implementation leaves the actual methods of Asset creation as an exercise
37: * for the reader, i.e. use of JDBC to access data.
38: * @see LDMSQLPlugin
39: */
40:
41: public abstract class LDMEssentialPlugin extends SimplePlugin implements
42: PropertyProvider, PrototypeProvider {
43: // For maintaining container of Assets added by this LDMPlugin
44: Subscriber subscriber;
45:
46: public LDMEssentialPlugin() {
47: }
48:
49: /**
50: * Empty execute(); may (should?) be overridden by subclasses.
51: */
52: public void execute() {
53: }
54:
55: //
56: // LDMService
57: //
58: //public abstract Asset getPrototype(String typeid, Class hint);
59:
60: //public abstract void provideProperties(Asset asset);
61:
62: }
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