jbpm - query all unassigned tasks -


i'm using jbpm 6.2 , i'm trying query tasks have not been assigned yet. taskservice doesn't seem (or @ least have not found proper method).

how can done?

i did using bamtasksummary table, not sure if way it.

to first tried bamtaskeventlistener @ runtimemanager (so started recording table):

defaultregisterableitemsfactory registerableitemsfactory = new defaultregisterableitemsfactory(); registerableitemsfactory.addtasklistener(bamtaskeventlistener.class); emf = persistence.createentitymanagerfactory("org.jbpm.persistence.jpa"); runtimeenvironmentbuilder builder = runtimeenvironmentbuilder.factory.get()         .newdefaultbuilder().entitymanagerfactory(emf).registerableitemsfactory(registerableitemsfactory)         .knowledgebase(kbase);

with code had problem, bamtaskeventlistener didnt have empty constructor in jbpm 6.2 , there problem in instantiation...i extended add empty constructor , worked fine:

public class bamtaskeventlistenerext extends bamtaskeventlistener{      public bamtaskeventlistenerext() {         super(null);         // todo auto-generated constructor stub     }      public bamtaskeventlistenerext(boolean flag) {         super(flag);         // todo auto-generated constructor stub     }      public bamtaskeventlistenerext(entitymanagerfactory emf) {         super(emf);         // todo auto-generated constructor stub     }  }

and registeded:

defaultregisterableitemsfactory registerableitemsfactory = new defaultregisterableitemsfactory(); registerableitemsfactory.addtasklistener(bamtaskeventlistenerext.class);

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