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java.lang.Objectorg.apache.hadoop.metrics2.MetricsSystem.AbstractCallback
public abstract static class MetricsSystem.AbstractCallback
Convenient abstract class for implementing callback interface
| Constructor Summary | |
|---|---|
MetricsSystem.AbstractCallback()
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| Method Summary | |
|---|---|
void |
postStart()
Called after start() |
void |
postStop()
Called after stop() |
void |
preStart()
Called before start() |
void |
preStop()
Called before stop() |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public MetricsSystem.AbstractCallback()
| Method Detail |
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public void preStart()
MetricsSystem.Callback
preStart in interface MetricsSystem.Callbackpublic void postStart()
MetricsSystem.Callback
postStart in interface MetricsSystem.Callbackpublic void preStop()
MetricsSystem.Callback
preStop in interface MetricsSystem.Callbackpublic void postStop()
MetricsSystem.Callback
postStop in interface MetricsSystem.Callback
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