How to use

createInstance

method

in

org.jbpm.runtime.manager.impl.SimpleRegisterableItemsFactory

@Override
public List<TaskLifeCycleEventListener> getTaskListeners() {
  List<TaskLifeCycleEventListener> listeners = new ArrayList<TaskLifeCycleEventListener>();
  for (Class<? extends TaskLifeCycleEventListener> clazz : taskListeners) {
    TaskLifeCycleEventListener tListener = createInstance(clazz, null);
    if (tListener != null) {
      listeners.add(tListener);
    }
  }
  return listeners;
}

@Override
public List<RuleRuntimeEventListener> getRuleRuntimeEventListeners(RuntimeEngine runtime) {
  List<RuleRuntimeEventListener> listeners = new ArrayList<RuleRuntimeEventListener>();
  for (Class<? extends RuleRuntimeEventListener> clazz : workingMemoryListeners) {
    RuleRuntimeEventListener wmListener = createInstance(clazz, runtime);
    if (wmListener != null) {
      listeners.add(wmListener);
    }
  }
  return listeners;
}

@Override
public List<AgendaEventListener> getAgendaEventListeners(RuntimeEngine runtime) {
  List<AgendaEventListener> listeners = new ArrayList<AgendaEventListener>();
  for (Class<? extends AgendaEventListener> clazz : agendListeners) {
    AgendaEventListener aListener = createInstance(clazz, runtime);
    if (aListener != null) {
      listeners.add(aListener);
    }
  }
  return listeners;
}

@Override
public List<ProcessEventListener> getProcessEventListeners(RuntimeEngine runtime) {
  List<ProcessEventListener> listeners = new ArrayList<ProcessEventListener>();
  for (Class<? extends ProcessEventListener> clazz : processListeners) {
    ProcessEventListener pListener = createInstance(clazz, runtime);
    if (pListener != null) {
      listeners.add(pListener);
    }
  }
  return listeners;
}

@Override
public Map<String, WorkItemHandler> getWorkItemHandlers(RuntimeEngine runtime) {
  Map<String, WorkItemHandler> handlers = new HashMap<String, WorkItemHandler>();
  for (Entry<String, Class<? extends WorkItemHandler>> entry : workItemHandlersClasses.entrySet()) {
    WorkItemHandler handler = createInstance(entry.getValue(), runtime);
    
    if (handler != null) {
      handlers.put(entry.getKey(), handler);
    }
  }
  return handlers;
}

@Override
public List<AgendaEventListener> getAgendaEventListeners(RuntimeEngine runtime) {
  List<AgendaEventListener> listeners = new ArrayList<AgendaEventListener>();
  for (Class<? extends AgendaEventListener> clazz : agendListeners) {
    AgendaEventListener aListener = createInstance(clazz, runtime);
    if (aListener != null) {
      listeners.add(aListener);
    }
  }
  return listeners;
}

@Override
public List<ProcessEventListener> getProcessEventListeners(RuntimeEngine runtime) {
  List<ProcessEventListener> listeners = new ArrayList<ProcessEventListener>();
  for (Class<? extends ProcessEventListener> clazz : processListeners) {
    ProcessEventListener pListener = createInstance(clazz, runtime);
    if (pListener != null) {
      listeners.add(pListener);
    }
  }
  return listeners;
}

@Override
public List<TaskLifeCycleEventListener> getTaskListeners() {
  List<TaskLifeCycleEventListener> listeners = new ArrayList<TaskLifeCycleEventListener>();
  for (Class<? extends TaskLifeCycleEventListener> clazz : taskListeners) {
    TaskLifeCycleEventListener tListener = createInstance(clazz, null);
    if (tListener != null) {
      listeners.add(tListener);
    }
  }
  return listeners;
}

@Override
public List<RuleRuntimeEventListener> getRuleRuntimeEventListeners(RuntimeEngine runtime) {
  List<RuleRuntimeEventListener> listeners = new ArrayList<RuleRuntimeEventListener>();
  for (Class<? extends RuleRuntimeEventListener> clazz : workingMemoryListeners) {
    RuleRuntimeEventListener wmListener = createInstance(clazz, runtime);
    if (wmListener != null) {
      listeners.add(wmListener);
    }
  }
  return listeners;
}

@Override
public Map<String, WorkItemHandler> getWorkItemHandlers(RuntimeEngine runtime) {
  Map<String, WorkItemHandler> handlers = new HashMap<String, WorkItemHandler>();
  for (Entry<String, Class<? extends WorkItemHandler>> entry : workItemHandlersClasses.entrySet()) {
    WorkItemHandler handler = createInstance(entry.getValue(), runtime);
    
    if (handler != null) {
      handlers.put(entry.getKey(), handler);
    }
  }
  return handlers;
}