Package dk.gtz.graphedit.util

Class RetryUtils

java.lang.Object

dk.gtz.graphedit.util.RetryUtils

public final class RetryUtils
extends Object

Utility functions for retrying actions multiple times.

Method Summary

Modifier and Type	Method	Description
static void	sleep(int milliseconds)	Sleep for a set amount of milliseconds.
static <T> T	tryTimes(int maxAttempts, int sleepMillis, Supplier<T> f)	Try an action until it returns a value or until a set amount of attempts failed.

Methods inherited from class java.lang.Object

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

Method Details

tryTimes

public static <T> T tryTimes(int maxAttempts,
 int sleepMillis,
 Supplier<T> f)

Try an action until it returns a value or until a set amount of attempts failed.

Type Parameters:

T - The return type that the function should return.

Parameters:

maxAttempts - Maximum amount of times to try

sleepMillis - Amount of time to wait between failed attempts

f - The supplier function to try

Returns:

The return value of the supplier function f

Throws:

RuntimeException - if too many attempts happenned

sleep

public static void sleep(int milliseconds)

Sleep for a set amount of milliseconds. If interrupted, simply return.

Parameters:

milliseconds - The length of time to wait in milliseconds