org.hawkular.agent.monitor.cmd

Interface Command<REQ extends org.hawkular.bus.common.BasicMessage,RESP extends org.hawkular.bus.common.BasicMessage>

All Known Implementing Classes:

AbstractRemoveModelNodeCommand, AbstractResourcePathCommand, AddDatasourceCommand, AddJdbcDriverCommand, DeployApplicationCommand, DisableApplicationCommand, EchoCommand, EnableApplicationCommand, ExecuteOperationCommand, ExportJdrCommand, GenericErrorResponseCommand, RemoveDatasourceCommand, RemoveJdbcDriverCommand, RestartApplicationCommand, StatisticsControlCommand, UndeployApplicationCommand, UpdateDatasourceCommand

public interface Command<REQ extends org.hawkular.bus.common.BasicMessage,RESP extends org.hawkular.bus.common.BasicMessage>

Method Summary

Modifier and Type	Method and Description
org.hawkular.bus.common.BasicMessageWithExtraData<RESP>	execute(org.hawkular.bus.common.BasicMessageWithExtraData<REQ> envelope, CommandContext context) Performs the command for the server.

Method Detail

execute

org.hawkular.bus.common.BasicMessageWithExtraData<RESP> execute(org.hawkular.bus.common.BasicMessageWithExtraData<REQ> envelope,
                                                                CommandContext context)
                                                         throws Exception

Performs the command for the server. A non-null return value will be sent back to the server.

Parameters:

envelope - the request that describes what needs to be executed eventually with attached BinaryData

binaryData - if not null, this contains extra binary data that came across with the command request

context - contains data that can help commands do their job

Returns:

the results of the command that need to be sent back to the server; if null, nothing will be sent back.

Throws:

Exception - if failed to execute the command