01: /*
02: * <copyright>
03: *
04: * Copyright 2003-2004 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.aggagent.script;
28:
29: import org.cougaar.lib.aggagent.session.IncrementFormat;
30: import org.cougaar.lib.aggagent.session.SubscriptionAccess;
31: import org.cougaar.lib.aggagent.session.UpdateDelta;
32:
33: import silk.Procedure;
34: import silk.SI;
35:
36: /**
37: * An implementation of the IncrementFormat interface that derives its
38: * behavior from a SILK script.
39: */
40: public class SilkIncrementFormat implements IncrementFormat {
41: private Procedure silkProcedure;
42:
43: /**
44: * Create a new SilkIncrementFormat instance. The provided script is used
45: * herein as an implementation of the encode() method of interface
46: * IncrementFormat.
47: * @param silkScript the text of the SILK code
48: */
49: public SilkIncrementFormat(String silkScript) {
50: this .silkProcedure = (Procedure) SI.eval(silkScript);
51: }
52:
53: /**
54: * Encode the information contained in the SubscriptionAccess in accordance
55: * with the SILK script embodied by this SilkIncrementFormat.
56: */
57: public void encode(UpdateDelta out, SubscriptionAccess sacc) {
58: silkProcedure.apply(new Object[] { out, sacc });
59: }
60: }
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