VertexFinishedEvent finishEvt = new VertexFinishedEvent(vertexId,
vertexName, initTimeRequested, initedTime, startTimeRequested,
startedTime, clock.getTime(), state, StringUtils.join(LINE_SEPARATOR,
getDiagnostics()), getAllCounters());
this.appContext.getHistoryHandler().handle(
new DAGHistoryEvent(getDAGId(), finishEvt));
}