org.apache.hedwig.util

Interface Callback<T>

public interface Callback<T>

This class is used for callbacks for asynchronous operations

Method Summary

Modifier and Type	Method and Description
void	operationFailed(Object ctx, PubSubException exception) This method is called when the operation failed due to some reason.
void	operationFinished(Object ctx, T resultOfOperation) This method is called when the asynchronous operation finishes

Method Detail

operationFinished

void operationFinished(Object ctx,
                       T resultOfOperation)

This method is called when the asynchronous operation finishes

Parameters:

ctx -

resultOfOperation -

operationFailed

void operationFailed(Object ctx,
                     PubSubException exception)

This method is called when the operation failed due to some reason. The reason for failure is passed in.

Parameters:

ctx - The context for the callback

exception - The reason for the failure of the scan