com.oldlight.weaver.interpreter
Class WeaverPredicate

java.lang.Object
  com.oldlight.weaver.interpreter.WeaverPredicate

public class WeaverPredicate

extends Object

A class to evaluate a predicate expression.

Author:

Paul Harvey

Field Summary

private Expression	guard
private String	guardString

Constructor Summary

WeaverPredicate(String predicate, WeaverFunctionMapper functionMapper)

Method Summary

(package private) boolean	evaluate(WeaverVariableResolver resolver)
private void	parsePredicate(String predicate, ExpressionEvaluator evaluator, FunctionMapper functionMapper)
String	toString() Create a string representation of a WeaverPredicate.

Methods inherited from class java.lang.Object

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

Field Detail

guardString

private String guardString

guard

private Expression guard

Constructor Detail

WeaverPredicate

public WeaverPredicate(String predicate,
                       WeaverFunctionMapper functionMapper)
                throws WeaverException

Method Detail

toString

public String toString()

Create a string representation of a WeaverPredicate.

Returns:

The string representation of the WeaverPredicate.

evaluate

boolean evaluate(WeaverVariableResolver resolver)

parsePredicate

private void parsePredicate(String predicate,
                            ExpressionEvaluator evaluator,
                            FunctionMapper functionMapper)
                     throws WeaverException

Throws:

WeaverException