public interface ExceptionHandler
CompletionPolicy will be used to decide whether to end a batch when
there is no exception, and the
ExceptionHandler is used to signal an
abnormal ending - an abnormal ending would result in an
ExceptionHandler throwing an exception. The caller will catch and
re-throw it if necessary.
void handleException(RepeatContext context, Throwable throwable) throws Throwable
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.
Throwable - implementations are free to re-throw the exception
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