public class
ExponentialBackoffExceptionHandler
extends Object
implements ExceptionHandler
implements ExceptionHandler
ExceptionHandler implementation that uses exponential backoff before retrying.
Public Constructor Summary
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ExponentialBackoffExceptionHandler(int maximumTries, long sleepDuration, TimeUnit sleepUnit)
Creates a handler that uses an exponentially increasing amount of sleep time to implement a
backoff before retrying.
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Public Method Summary
| boolean |
equals(Object obj)
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| boolean |
handleException(Exception ex, int ntries)
Handles the exception by forcing an increasing wait time based on the total number of
exceptions previously issued.
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| int |
hashCode()
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Inherited Method Summary
Public Constructors
public ExponentialBackoffExceptionHandler (int maximumTries, long sleepDuration, TimeUnit sleepUnit)
Creates a handler that uses an exponentially increasing amount of sleep time to implement a backoff before retrying.
Parameters
| maximumTries | how many times to try before permanent failure |
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| sleepDuration | initial sleep duration on failure |
| sleepUnit | sleep duration time unit |
Public Methods
public boolean equals (Object obj)
Parameters
| obj |
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public boolean handleException (Exception ex, int ntries)
Handles the exception by forcing an increasing wait time based on the total number of exceptions previously issued.
This method continues to perform waits up to the maximum configured number of allowable exceptions. The return value indicates whether the calling process should issue an abort.
Parameters
| ex | exception denoting the error |
|---|---|
| ntries | number of consecutive failures for the same operation |
Returns
trueto retry immediate,falseto abort
Throws
| InterruptedException | if the backoff throws it |
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