Using Math. functions

dranakan — Tue, 28 Feb 2012 08:56:22 GMT

Hello,I would to use the absolute value (Math.abs) in my worklow. I have written like this :<sequenceFlow id="flow9" name="" sourceRef="exclusivegateway3" targetRef="modifyReviewBoss1"> <conditionExpression xsi:type="tFormalExpression"><![CDATA[${sgfwf_approveRejectOutcome == 'Ap

Re: Using Math. functions

dranakan — Thu, 08 Mar 2012 13:31:16 GMT

Thank you Lukasz for the response.

1. Create a java class as a wrapper for functions from Math class, for example:

package ch.custom.workflowUtils;

public class MathUtils {
    
    public int abs(int a) {
        return Math.abs(a);
    }
…
}
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2. Register this class as a Spring bean, for example:

<bean id="mathUtils" class="ch.custom.workflowUtils.MathUtils" />‍

3. Add mathUtils bean to activitiBeanRegistry, for example:

<util:map id="activitiBeanRegistry" map-class="java.util.HashMap">
   <entry key="services" value-ref="ServiceRegistry" />
   <entry key="mathUtils" value-ref="mathUtils" />
</util:map>
‍‍‍‍‍

4. Use mathUtils bean in expression, for example:

<conditionExpression xsi:type="tFormalExpression">${wf_actualPercent >= mathUtils.abs(1)}</conditionExpression>‍

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Using Math. functions

Re: Using Math. functions