Package org.idempiere.expression.logic

Class LogicEvaluator

java.lang.Object

org.idempiere.expression.logic.LogicEvaluator

public final class LogicEvaluator
extends Object

Author:

hengsin

Method Summary

Modifier and Type	Method	Description
static boolean	evaluateLogic(Evaluatee source, String logic)	Evaluate Logic.
static void	validate(String logic)	Throw exception if logic is not valid

Methods inherited from class java.lang.Object

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

Method Detail

evaluateLogic

public static boolean evaluateLogic(Evaluatee source,
                                    String logic)

Evaluate Logic. format: <negate>(<expression> [<logic> <expression>]). <negate>: $!. <expression>: @<context>@<comparison><value>. <logic>: | or & (Example '@AD_Table@=Test | @Language@=GERGER). <comparison>: = | ! | ^ | < | > | <= | >= | ~ (Equal, Not Equal, Not Equal, Less Than, Greater Than, Less Than or Equal, Greater Than or Equal, Regular Expression Match). <Regular Expression Match>: <input string> ~ '<regular expression>'. <List>: value1,value2,value3 (Example '@CalculationType@=A,R,S'). <context>: any global or window context. <value>: strings can be with ' or ". <logic operators>: AND or OR with the previous result from left to right. <()>: override the default left to right evaluation order (Example '@GrandTotal@=0 |(@GrandTotal@>0 & @PaymentRule@=X)").

Parameters:

source - class implementing get_ValueAsString(variable)

logic - logic string

Returns:

logic result

validate

public static void validate(String logic)

Throw exception if logic is not valid

Parameters:

logic -

Throws:

org.antlr.v4.runtime.misc.ParseCancellationException