org.springframework.batch.repeat.exception
Class LogOrRethrowExceptionHandler

java.lang.Object
  org.springframework.batch.repeat.exception.LogOrRethrowExceptionHandler

All Implemented Interfaces:

ExceptionHandler

public class LogOrRethrowExceptionHandler
extends Object
implements ExceptionHandler

Implementation of ExceptionHandler based on an Classifier. The classifier determines whether to log the exception or rethrow it. The keys in the classifier must be the same as the static enum in this class.

Author:

Dave Syer

Nested Class Summary

static class

LogOrRethrowExceptionHandler.Level Logging levels for the handler.

Field Summary

protected Log

logger

Constructor Summary

LogOrRethrowExceptionHandler()

Method Summary

void	handleException(RepeatContext context, Throwable throwable) Classify the throwables and decide whether to rethrow based on the result.
void	setExceptionClassifier(Classifier<Throwable,LogOrRethrowExceptionHandler.Level> exceptionClassifier) Setter for the Classifier used by this handler.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final Log logger

Constructor Detail

LogOrRethrowExceptionHandler

public LogOrRethrowExceptionHandler()

Method Detail

setExceptionClassifier

public void setExceptionClassifier(Classifier<Throwable,LogOrRethrowExceptionHandler.Level> exceptionClassifier)

Setter for the Classifier used by this handler. The default is to map all throwable instances to LogOrRethrowExceptionHandler.Level.RETHROW.

Parameters:

exceptionClassifier - the ExceptionClassifier to use

handleException

public void handleException(RepeatContext context,
                            Throwable throwable)
                     throws Throwable

Classify the throwables and decide whether to rethrow based on the result. The context is not used.

Specified by:

handleException in interface ExceptionHandler

Parameters:

context - the current RepeatContext. Can be used to store state (via attributes), for example to count the number of occurrences of a particular exception type and implement a threshold policy.

throwable - an exception.

Throws:

Throwable

See Also:

ExceptionHandler.handleException(RepeatContext, Throwable)