Package ru.cg.webbpm.modules.expression.operators

Class Operator

java.lang.Object

ru.cg.webbpm.modules.expression.operators.Operator

Direct Known Subclasses:

UnaryOperator

public abstract class Operator
extends Object

Author:

m.popov

Method Summary

Modifier and Type	Method	Description
abstract Object	evaluate(Object left, Object right)	Implementation of this operator.
String	getName()
int	getPrecedence()

Methods inherited from class java.lang.Object

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

Method Details

evaluate

public abstract Object evaluate(Object left,
 Object right)

Implementation of this operator.

Parameters:

left - -- the left argument.

right - -- the right argument.

Returns:

the result of the operation.

getName

public String getName()

Returns:

the operator's name (pattern)

getPrecedence

public int getPrecedence()

Returns:

the operator's precedence