net.sf.ehcache.transaction.xa
Interface VersionAwareCommand

All Superinterfaces:

Command

All Known Implementing Classes:

VersionAwareWrapper

public interface VersionAwareCommand
extends Command

A more specialized type of Command, that is potentially aware of a version of the Element involved in its execution against the Store.

Author:

Alex Snaps

Field Summary

Fields inherited from interface net.sf.ehcache.transaction.Command

EXPIRE_ALL_ELEMENTS, NULL, PUT, PUT_WITH_WRITER, REMOVE, REMOVE_ALL, REMOVE_WITH_WRITER

Method Summary

java.lang.Object	getKey() Getter to the key of the Element this command affects
long	getVersion() getter to the version of the Element this affects
boolean	isVersionAware() Checks whether this command aware of any version scheme of the Element if affects
boolean	isWriteCommand() Checks whether this command is a write command to the underlying store

Methods inherited from interface net.sf.ehcache.transaction.Command

execute, execute, getCommandName, isPut, isRemove

Method Detail

isWriteCommand

boolean isWriteCommand()

Checks whether this command is a write command to the underlying store

Returns:

true if the command would mutate the store on Command.execute(net.sf.ehcache.store.Store)

isVersionAware

boolean isVersionAware()

Checks whether this command aware of any version scheme of the Element if affects

Returns:

true if so

getVersion

long getVersion()

getter to the version of the Element this affects

Returns:

version number

getKey

java.lang.Object getKey()

Getter to the key of the Element this command affects

Returns:

key