org.rdtdm.rule
Class Operators

java.lang.Object
  |
  +--org.rdtdm.rule.Operators

public class Operators

extends java.lang.Object

Operators

Copyright (c) 2001 by Dirk Münstermann
All Rights Reserved

Version:

$Revision:$ ($Date:$)

Changelog:

 $Log:$
 

Author:

Dirk Münstermann

Field Summary

private static java.util.Hashtable	compareOperas
private static java.util.Hashtable	computeOperas
private static java.util.Hashtable	logicOperas

Constructor Summary

Operators()

Method Summary

double	add(java.util.ArrayList operands)
boolean	and(java.util.ArrayList operands)
boolean	compare(java.lang.String op, java.util.ArrayList operands)
double	compute(java.lang.String op, java.util.ArrayList operands)
static boolean	contains(java.lang.String op)
static boolean	containsCompare(java.lang.String op)
static boolean	containsCompute(java.lang.String op)
double	diff(java.util.ArrayList operands)
boolean	eq(java.lang.String operand1, java.lang.String operand2)
boolean	ge(java.lang.String operand1, java.lang.String operand2)
private java.lang.reflect.Method	getMethod(java.lang.String op, int arity)
static java.lang.String	getOperator(java.lang.String name)
boolean	gt(java.lang.String operand1, java.lang.String operand2)
static boolean	isCompareOp(java.lang.String name)
static boolean	isComputeOp(java.lang.String name)
boolean	le(java.lang.String operand1, java.lang.String operand2)
boolean	lt(java.lang.String operand1, java.lang.String operand2)
double	mult(java.util.ArrayList operands)
boolean	neq(java.lang.String operand1, java.lang.String operand2)
static java.lang.Object	process(java.lang.String opsstr)
double	sub(java.util.ArrayList operands)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

computeOperas

private static java.util.Hashtable computeOperas

compareOperas

private static java.util.Hashtable compareOperas

logicOperas

private static java.util.Hashtable logicOperas

Constructor Detail

Operators

public Operators()

Method Detail

contains

public static boolean contains(java.lang.String op)

containsCompare

public static boolean containsCompare(java.lang.String op)

containsCompute

public static boolean containsCompute(java.lang.String op)

getOperator

public static java.lang.String getOperator(java.lang.String name)

isCompareOp

public static boolean isCompareOp(java.lang.String name)

isComputeOp

public static boolean isComputeOp(java.lang.String name)

process

public static java.lang.Object process(java.lang.String opsstr)

compare

public boolean compare(java.lang.String op,
                       java.util.ArrayList operands)
                throws java.lang.ArithmeticException,
                       java.lang.NoSuchMethodException

java.lang.ArithmeticException

java.lang.NoSuchMethodException

compute

public double compute(java.lang.String op,
                      java.util.ArrayList operands)
               throws java.lang.ArithmeticException,
                      java.lang.NoSuchMethodException

java.lang.ArithmeticException

java.lang.NoSuchMethodException

getMethod

private java.lang.reflect.Method getMethod(java.lang.String op,
                                           int arity)

add

public double add(java.util.ArrayList operands)

sub

public double sub(java.util.ArrayList operands)

mult

public double mult(java.util.ArrayList operands)

diff

public double diff(java.util.ArrayList operands)

and

public boolean and(java.util.ArrayList operands)

eq

public boolean eq(java.lang.String operand1,
                  java.lang.String operand2)

neq

public boolean neq(java.lang.String operand1,
                   java.lang.String operand2)

gt

public boolean gt(java.lang.String operand1,
                  java.lang.String operand2)

lt

public boolean lt(java.lang.String operand1,
                  java.lang.String operand2)

ge

public boolean ge(java.lang.String operand1,
                  java.lang.String operand2)

le

public boolean le(java.lang.String operand1,
                  java.lang.String operand2)