org.hawkular.feedcomm.ws.command

Interface Command<REQ extends BasicMessage,RESP extends BasicMessage>

All Known Implementing Classes:

EchoCommand, ExecuteOperationCommand, ExecuteOperationResponseCommand, GenericErrorResponseCommand

public interface Command<REQ extends BasicMessage,RESP extends BasicMessage>

An command that comes from a feed.

Method Summary

Modifier and Type	Method and Description
RESP	execute(REQ request, CommandContext context) Performs the command for the feed.

Method Detail

execute

RESP execute(REQ request,
             CommandContext context)
      throws Exception

Performs the command for the feed.

Parameters:

request - the request that describes what needs to be executed

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

Returns:

the results of the command that need to be sent back to the feed - may be null

Throws:

Exception - if failed to execute the operation