com.google.api.gax.longrunning

Class OperationResponsePollAlgorithm

java.lang.Object

com.google.api.gax.longrunning.OperationResponsePollAlgorithm

All Implemented Interfaces:

ResultRetryAlgorithm<OperationSnapshot>

@BetaApi(value="The surface for long-running operations is not stable yet and may change in the future.")
public class OperationResponsePollAlgorithm
extends Object
implements ResultRetryAlgorithm<OperationSnapshot>

Operation polling algorithm, which keeps retrying until OperationSnapshot.isDone() is true.

Constructor Summary

Constructors

Constructor and Description
OperationResponsePollAlgorithm()

Method Summary

Modifier and Type	Method and Description
TimedAttemptSettings	createNextAttempt(Throwable prevThrowable, OperationSnapshot prevResponse, TimedAttemptSettings prevSettings) Creates a next attempt TimedAttemptSettings.
boolean	shouldRetry(Throwable prevThrowable, OperationSnapshot prevResponse) Returns true if another attempt should be made, or false otherwise.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OperationResponsePollAlgorithm

public OperationResponsePollAlgorithm()

Method Detail

createNextAttempt

public TimedAttemptSettings createNextAttempt(Throwable prevThrowable,
                                              OperationSnapshot prevResponse,
                                              TimedAttemptSettings prevSettings)

Description copied from interface: ResultRetryAlgorithm

Creates a next attempt TimedAttemptSettings.

Specified by:

createNextAttempt in interface ResultRetryAlgorithm<OperationSnapshot>

Parameters:

prevThrowable - exception thrown by the previous attempt (null, if none)

prevResponse - response returned by the previous attempt

prevSettings - previous attempt settings

Returns:

next attempt settings or null, if the implementing algorithm does not provide specific settings for the next attempt

shouldRetry

public boolean shouldRetry(Throwable prevThrowable,
                           OperationSnapshot prevResponse)

Description copied from interface: ResultRetryAlgorithm

Returns true if another attempt should be made, or false otherwise.

Specified by:

shouldRetry in interface ResultRetryAlgorithm<OperationSnapshot>

Parameters:

prevThrowable - exception thrown by the previous attempt (null, if none)

prevResponse - response returned by the previous attempt