org.apache.reef.io.watcher

Class FileEventStream

java.lang.Object

org.apache.reef.io.watcher.FileEventStream

All Implemented Interfaces:

EventStream

public final class FileEventStream
extends Object
implements EventStream

Write events to a file in the root directory of the driver.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FileEventStream.Path

Method Summary

Modifier and Type	Method and Description
void	onEvent(EventType type, String jsonEncodedEvent) Write an eventRecord with specific type.

Methods inherited from class java.lang.Object

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

Method Detail

onEvent

public void onEvent(EventType type,
                    String jsonEncodedEvent)

Description copied from interface: EventStream

Write an eventRecord with specific type. This should be thread-safe since multiple event handlers can concurrently call the method.

Specified by:

onEvent in interface EventStream

Parameters:

type - a event type

jsonEncodedEvent - an event encoded as json