org.apache.lens.server.metrics

Class MetricsServiceImpl.AsyncQueryStatusListener

java.lang.Object

org.apache.lens.server.api.events.AsyncEventListener<StatusChange>

org.apache.lens.server.metrics.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 <code>addAsyncQueryStatusListener<code> method. When the asyncQueryStatus event occurs, that object's appropriate method is invoked.

Field Summary

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

HANDLER_METHOD_NAME

Constructor Summary

Constructors

Constructor and Description
AsyncQueryStatusListener()

Method Summary

Modifier and Type	Method and Description
void	process(StatusChange event) Should implement the actual event handling.

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

getEventQueue, onEvent, stop

Methods inherited from class java.lang.Object

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

Constructor Detail

AsyncQueryStatusListener

public AsyncQueryStatusListener()

Method Detail

process

public void process(StatusChange event)

Description copied from class: AsyncEventListener

Should implement the actual event handling.

Specified by:

process in class AsyncEventListener<StatusChange>

Parameters:

event - the event