com.yahoo.search.cluster

Interface NodeManager<T>

All Known Implementing Classes:

ClusterSearcher, ConfiguredHTTPClientSearcher, ConfiguredHTTPProviderSearcher, HTTPClientSearcher, HTTPProviderSearcher, HTTPSearcher, SearchCluster, VespaSearcher

public interface NodeManager<T>

Must be implemented by a node collection which wants it's node state monitored by a ClusterMonitor

Author:

bratseth

Method Summary

Modifier and Type	Method and Description
void	failed(T node) Called when a working node fails
void	ping(T node, Executor executor) Called when a node should be pinged.
default void	pingIterationCompleted() Called right after a ping has been issued to each node.
void	working(T node) Called when a failed node is working (ready for production) again

Method Detail

working

void working(T node)

Called when a failed node is working (ready for production) again

failed

void failed(T node)

Called when a working node fails

ping

void ping(T node,
          Executor executor)

Called when a node should be pinged. This *must* lead to either a call to NodeMonitor.failed or NodeMonitor.responded

pingIterationCompleted

default void pingIterationCompleted()

Called right after a ping has been issued to each node. This default implementation does nothing.