org.apache.twill.zookeeper

Interface RetryStrategy

public interface RetryStrategy

Provides strategy to use for operation retries.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	RetryStrategy.OperationType Defines ZooKeeper operation type that triggers retry.

Method Summary

Methods

Modifier and Type	Method and Description
long	nextRetry(int failureCount, long startTime, RetryStrategy.OperationType type, String path) Returns the number of milliseconds to wait before retrying the operation.

Method Detail

nextRetry

long nextRetry(int failureCount,
             long startTime,
             RetryStrategy.OperationType type,
             String path)

Returns the number of milliseconds to wait before retrying the operation.

Parameters:

failureCount - Number of times that the request has been failed.

startTime - Timestamp in milliseconds that the request starts.

type - Type of operation tried to perform.

path - The path that the operation is acting on.

Returns:

Number of milliseconds to wait before retrying the operation. Returning 0 means retry it immediately, while negative means abort the operation.