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jbpm4.4,how to get property from custom activity in jPDL(xml)
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created by <a href="http://community.jboss.org/people/meadlai">Mead Lai</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/624702#624702">View the full discussion</a>
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<div class="jive-rendered-content"><p>jbpm4.4,how to get property from custom activity in jPDL(xml)</p><p>================</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><custom id="Act_2" name="myCustomTask" class="com.meadlai.CustomActivity" point="309,70" memo=""></p><p>    <property name="form"><string value="99801"/></property></p><p>    <property name="mark"><string value=""/></property></p><p>    <property name="<span style="color: #ff0000;">model</span>"><string value="2"/></property></p><p></custom></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>===============</p><p>I know I can get property "model" in the class:"com.meadlai.CustomActivity" by coding:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public class CustomActivity{</p><p>private String <span style="color: #ff0000;">model</span>; //getter & setter to get the property</p><p>private String mark;</p><p>...</p><p>execute(){...}</p><p>...</p><p>}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>===============</p><p>but, I need to get it in another way, just with <span style="color: #ff0000;">taskName</span>.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>EnvironmentImpl environment = ((ProcessEngineImpl) processEngine).openEnvironment();</p><p>    try{</p><p>    ProcessDefinitionImpl pdf = execution.getProcessDefinition();</p><p>    ActivityImpl activity = pdf.getActivity(<span style="color: #ff0000;">taskName</span>);</p><p>         if ("custom".equals(activity.getType())) {</p><p>           Object <span style="color: #ff0000;">model</span>= activity.getProperty("model");</p><p>           System.out.println("model = "+ model);</p><p>          }</p><p>    }catch(Exception ex){</p><p>      </p><p>    }finally{</p><p>      environment.close();</p><p>    }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>==============</p><p>sadly, I got "<span style="color: #ff0000;">null</span>" with this manner.</p><p>Could you please give me some clue? I am a newer.</p><p>Thanks very mcuh.</p></div>
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