org.apache.lens.server
Class MetricsServiceImpl.AsyncQueryStatusListener

java.lang.Object
  org.apache.lens.server.api.events.AsyncEventListener<StatusChange>
      org.apache.lens.server.MetricsServiceImpl.AsyncQueryStatusListener

All Implemented Interfaces:

LensEventListener<StatusChange>

Enclosing class:

MetricsServiceImpl

public class MetricsServiceImpl.AsyncQueryStatusListener
extends AsyncEventListener<StatusChange>

The listener interface for receiving asyncQueryStatus events. The class that is interested in processing a asyncQueryStatus event implements this interface, and the object created with that class is registered with a component using the component's addAsyncQueryStatusListener method. When the asyncQueryStatus event occurs, that object's appropriate method is invoked.

See Also:

AsyncQueryStatusEvent

Field Summary

Fields inherited from class org.apache.lens.server.api.events.AsyncEventListener

eventQueue, processor

Fields inherited from interface org.apache.lens.server.api.events.LensEventListener

HANDLER_METHOD_NAME

Constructor Summary

MetricsServiceImpl.AsyncQueryStatusListener()

Method Summary

void	process(StatusChange event)
protected void	processCurrentStatus(org.apache.lens.api.query.QueryStatus.Status currentValue) Process current status.

Methods inherited from class org.apache.lens.server.api.events.AsyncEventListener

getEventQueue, onEvent, stop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MetricsServiceImpl.AsyncQueryStatusListener

public MetricsServiceImpl.AsyncQueryStatusListener()

Method Detail

process

public void process(StatusChange event)

Specified by:

process in class AsyncEventListener<StatusChange>

processCurrentStatus

protected void processCurrentStatus(org.apache.lens.api.query.QueryStatus.Status currentValue)

Process current status.

Parameters:

currentValue - the current value