jbpm4.4,how to get property from custom activity in jPDL(xml)
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<custom id="Act_2" name="myCustomTask" class="com.meadlai.CustomActivity" point="309,70" memo=""> <property name="form"><string value="99801"/></property> <property name="mark"><string value=""/></property> <property name="model"><string value="2"/></property> </custom>
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I know I can get property "model" in the class:"com.meadlai.CustomActivity" by coding:
public class CustomActivity{ private String model; //getter & setter to get the property private String mark; ... execute(){...} ... }
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but, I need to get it in another way, just with taskName.
EnvironmentImpl environment = ((ProcessEngineImpl) processEngine).openEnvironment(); try{ ProcessDefinitionImpl pdf = execution.getProcessDefinition(); ActivityImpl activity = pdf.getActivity(taskName); if ("custom".equals(activity.getType())) { Object model= activity.getProperty("model"); System.out.println("model = "+ model); } }catch(Exception ex){ }finally{ environment.close(); }
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sadly, I got "null" with this manner.
Could anyone please give me some clue? I am a newer.
Thanks very much.
okay....so finally, I read it from xml. althoght, it's a little slow...