RetryingCallbackHelper (Alfresco Repository zap-7.87-postgres11 API)

java.lang.Object
- org.alfresco.ibatis.RetryingCallbackHelper

```
public class RetryingCallbackHelper
extends java.lang.Object
```
A helper that runs a unit of work, transparently retrying the unit of work if an error occurs.
Defaults:
- maxRetries: 5
- retryWaitMs: 10
Since:

3.4

Author:

Derek Hulley

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static interface RetryingCallbackHelper.RetryingCallback<Result>
Callback interface

Constructor Summary

Constructors
Constructor Description

RetryingCallbackHelper()
Default constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<R> R`	`doWithRetry(RetryingCallbackHelper.RetryingCallback<R> callback)`	Execute a callback until it succeeds, fails or until a maximum number of retries have been attempted.
`void`	`setMaxRetries(int maxRetries)`	Set the maximimum number of retries.
`void`	`setRetryWaitMs(int retryWaitMs)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RetryingCallbackHelper
```
public RetryingCallbackHelper()
```
    Default constructor.
- Method Detail
  - setMaxRetries
```
public void setMaxRetries(int maxRetries)
```
    Set the maximimum number of retries. -1 for infinity.
  - setRetryWaitMs
```
public void setRetryWaitMs(int retryWaitMs)
```
  - doWithRetry
```
public <R> R doWithRetry(RetryingCallbackHelper.RetryingCallback<R> callback)
```
    Execute a callback until it succeeds, fails or until a maximum number of retries have been attempted.
    
    Parameters:
    
    callback - The callback containing the unit of work.
    
    Returns:
    
    Returns the result of the unit of work.
    
    Throws:
    
    java.lang.RuntimeException - all checked exceptions are converted