public void invokeHookPrepare(){
  for (  ITaskHook taskHook : taskHooks) {
    taskHook.prepare(getTopologyConfig(),this);
  }
}

public void invokeHookPrepare ( ) { for ( ITaskHook taskHook : taskHooks ) { taskHook . prepare ( getTopologyConfig ( ) , this ) ; } }
task hook called just after the spout / bolt ' s prepare method is called .
