org.axonframework.commandhandling.callbacks

Class FailureLoggingCallback<C,R>

java.lang.Object

org.axonframework.commandhandling.callbacks.FailureLoggingCallback<C,R>

Type Parameters:

C - The type of payload of the command

R - The return value of the command handler

All Implemented Interfaces:

CommandCallback<C,R>

public class FailureLoggingCallback<C,R>
extends Object
implements CommandCallback<C,R>

A CommandCallback implementation wrapping another, that concisely logs failed commands. Since the full exception is being reported to the delegate callback, the full stacktrace is not logged.

Constructor Summary

Constructors

Constructor and Description
FailureLoggingCallback(CommandCallback<C,R> delegate) Initialize the callback to delegate calls to the given delegate, logging failures on a logger for this class (on warn level).
FailureLoggingCallback(org.slf4j.Logger logger, CommandCallback<C,R> delegate) Initialize the callback to delegate calls to the given delegate, logging failures on the given logger (on warn level).

Method Summary

Modifier and Type	Method and Description
void	onFailure(CommandMessage<? extends C> commandMessage, Throwable cause) Invoked when command handling execution resulted in an error.
void	onSuccess(CommandMessage<? extends C> commandMessage, R result) Invoked when command handling execution was successful.

Methods inherited from class java.lang.Object

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

Constructor Detail

FailureLoggingCallback

public FailureLoggingCallback(CommandCallback<C,R> delegate)

Initialize the callback to delegate calls to the given delegate, logging failures on a logger for this class (on warn level).

Parameters:

delegate - The command callback to forward invocations to

FailureLoggingCallback

public FailureLoggingCallback(org.slf4j.Logger logger,
                              CommandCallback<C,R> delegate)

Initialize the callback to delegate calls to the given delegate, logging failures on the given logger (on warn level).

Parameters:

logger - The logger to log exceptions on

delegate - The command callback to forward invocations to

Method Detail

onSuccess

public void onSuccess(CommandMessage<? extends C> commandMessage,
                      R result)

Description copied from interface: CommandCallback

Invoked when command handling execution was successful.

Specified by:

onSuccess in interface CommandCallback<C,R>

Parameters:

commandMessage - The message that was dispatched

result - The result of the command handling execution, if any.

onFailure

public void onFailure(CommandMessage<? extends C> commandMessage,
                      Throwable cause)

Description copied from interface: CommandCallback

Invoked when command handling execution resulted in an error.

Specified by:

onFailure in interface CommandCallback<C,R>

Parameters:

commandMessage - The message that was dispatched

cause - The exception raised during command handling