org.elasticsearch.watcher

Interface ResourceWatcher

All Known Implementing Classes:

AbstractResourceWatcher, FileWatcher

public interface ResourceWatcher

Abstract resource watcher interface.

Different resource watchers can be registered with ResourceWatcherService to be called periodically in order to check for changes in different external resources.

Method Summary

Modifier and Type	Method and Description
void	checkAndNotify() Called periodically by ResourceWatcherService so resource watcher can check the resource
void	init() Called once when the resource watcher is added to ResourceWatcherService

Method Detail

init

void init()
   throws IOException

Called once when the resource watcher is added to ResourceWatcherService

Throws:

IOException

checkAndNotify

void checkAndNotify()
             throws IOException

Called periodically by ResourceWatcherService so resource watcher can check the resource

Throws:

IOException