01: /*
02: * <copyright>
03: *
04: * Copyright 2002-2004 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.adaptivity;
28:
29: /**
30: * Defines constants for operators used for describing and interpreting
31: * relations between policy components.
32: */
33: public class ArithmeticOperator extends Operator {
34: private ArithmeticOperator(String op, int nOps, int lp, int rp) {
35: super (op, nOps, lp, rp);
36: }
37:
38: /* Arithmetic ops */
39: public static final ArithmeticOperator ADD = new ArithmeticOperator(
40: "+", 2, 2, 2);
41: public static final ArithmeticOperator SUBTRACT = new ArithmeticOperator(
42: "-", 2, 2, 2);
43: public static final ArithmeticOperator NEGATE = new ArithmeticOperator(
44: "-", 1, 3, 0);
45: public static final ArithmeticOperator MULTIPLY = new ArithmeticOperator(
46: "*", 2, 1, 1);
47: public static final ArithmeticOperator DIVIDE = new ArithmeticOperator(
48: "/", 2, 1, 1);
49: }
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