Package com.yahoo.search.cluster
Class TrafficNodeMonitor<T>
- java.lang.Object
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- com.yahoo.search.cluster.BaseNodeMonitor<T>
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- com.yahoo.search.cluster.TrafficNodeMonitor<T>
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public class TrafficNodeMonitor<T> extends BaseNodeMonitor<T>
This node monitor is responsible for maintaining the state of a monitored node. It has the following properties:- A node is taken out of operation if it gives no response in 10 s
- A node is put back in operation when it responds correctly again
- Author:
- Steinar Knutsen
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Field Summary
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Fields inherited from class com.yahoo.search.cluster.BaseNodeMonitor
configuration, failedAt, isQuarantined, isWorking, log, node, respondedAt, succeededAt
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Constructor Summary
Constructors Constructor Description TrafficNodeMonitor(T node, MonitorConfiguration configuration, boolean internal)
Creates a new node monitor for a node
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
failed(ErrorMessage error)
Called when this node fails.T
getNode()
void
responded()
Called when a response is received from this node.protected void
setWorking(boolean working, java.lang.String explanation)
Thread-safely changes the state of this node if required-
Methods inherited from class com.yahoo.search.cluster.BaseNodeMonitor
isIdle, isInternal, isQuarantined, isWorking, now
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Constructor Detail
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TrafficNodeMonitor
public TrafficNodeMonitor(T node, MonitorConfiguration configuration, boolean internal)
Creates a new node monitor for a node
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Method Detail
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getNode
public T getNode()
- Overrides:
getNode
in classBaseNodeMonitor<T>
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failed
public void failed(ErrorMessage error)
Called when this node fails.- Specified by:
failed
in classBaseNodeMonitor<T>
- Parameters:
error
- a container which should contain a short description
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responded
public void responded()
Called when a response is received from this node.- Specified by:
responded
in classBaseNodeMonitor<T>
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setWorking
protected void setWorking(boolean working, java.lang.String explanation)
Thread-safely changes the state of this node if required- Specified by:
setWorking
in classBaseNodeMonitor<T>
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