org.hawkular.cmdgw.command.bus

Interface BusCommand<M extends org.hawkular.bus.common.BasicMessage>

Type Parameters:

M - the type of the message to process

All Known Implementing Classes:

UiSessionDestinationBusCommand

public interface BusCommand<M extends org.hawkular.bus.common.BasicMessage>

A command to execute on messages coming over a bus queue or topic.

Note on thread safety: implementations of this interface must not store any state outside of the execute(BasicMessageWithExtraData, BusCommandContext) method so that the instances can be safely shared between multiple threads.

Author:

Peter Palaga

Method Summary

Modifier and Type	Method and Description
void	execute(org.hawkular.bus.common.BasicMessageWithExtraData<M> message, BusCommandContext context) Performs the command for the given message.

Method Detail

execute

void execute(org.hawkular.bus.common.BasicMessageWithExtraData<M> message,
             BusCommandContext context)
      throws Exception

Performs the command for the given message.

Parameters:

message - the request to execute

context - some context data that can be useful for the command to be able to execute the request

Throws:

Exception - if failed to execute the operation