org.jboss.cache.commands.legacy.write

Class PessRemoveKeyCommand

java.lang.Object

org.jboss.cache.commands.read.AbstractDataCommand

org.jboss.cache.commands.write.AbstractVersionedDataCommand

org.jboss.cache.commands.write.RemoveKeyCommand

org.jboss.cache.commands.legacy.write.PessRemoveKeyCommand

All Implemented Interfaces:

DataCommand, ReversibleCommand, ReplicableCommand, VersionedDataCommand, VisitableCommand, WriteCommand

Deprecated.

will be removed along with optimistic and pessimistic locking.

@Deprecated
public class PessRemoveKeyCommand
extends RemoveKeyCommand
implements ReversibleCommand

A version of RemoveKeyCommand which can be rolled back, for use with pessimistic locking where changes are made directly on the data structures and may need to be reversed.

Since:

3.0

Author:

Manik Surtani (manik AT jboss DOT org)

Field Summary

Fields inherited from class org.jboss.cache.commands.write.RemoveKeyCommand

key, METHOD_ID, VERSIONED_METHOD_ID

Fields inherited from class org.jboss.cache.commands.write.AbstractVersionedDataCommand

dataVersion, globalTransaction, notifier

Fields inherited from class org.jboss.cache.commands.read.AbstractDataCommand

dataContainer, fqn

Constructor Summary

Constructors

Constructor and Description
PessRemoveKeyCommand() Deprecated.
PessRemoveKeyCommand(GlobalTransaction gtx, Fqn fqn, Object key) Deprecated.

Method Summary

Methods

Modifier and Type	Method and Description
Object	perform(InvocationContext ctx) Deprecated. Removes the specified key from the data map in the node referenced by the specified Fqn.
void	rollback() Deprecated. Reverses a command that has already been invoked.

Methods inherited from class org.jboss.cache.commands.write.RemoveKeyCommand

acceptVisitor, equals, getCommandId, getKey, getParameters, hashCode, isVersionedId, setKey, setParameters, toString

Methods inherited from class org.jboss.cache.commands.write.AbstractVersionedDataCommand

getDataVersion, getGlobalTransaction, initialize, isVersioned, peekVersioned, setDataVersion, setGlobalTransaction

Methods inherited from class org.jboss.cache.commands.read.AbstractDataCommand

getFqn, initialize

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.jboss.cache.commands.WriteCommand

getGlobalTransaction, setGlobalTransaction

Methods inherited from interface org.jboss.cache.commands.DataCommand

getFqn

Methods inherited from interface org.jboss.cache.commands.VisitableCommand

acceptVisitor

Methods inherited from interface org.jboss.cache.commands.ReplicableCommand

getCommandId, getParameters, setParameters

Constructor Detail

PessRemoveKeyCommand

public PessRemoveKeyCommand(GlobalTransaction gtx,
                    Fqn fqn,
                    Object key)

Deprecated.

PessRemoveKeyCommand

public PessRemoveKeyCommand()

Deprecated.

Method Detail

perform

public Object perform(InvocationContext ctx)

Deprecated.

Description copied from class: RemoveKeyCommand

Removes the specified key from the data map in the node referenced by the specified Fqn.

Specified by:

perform in interface ReplicableCommand

Overrides:

perform in class RemoveKeyCommand

Parameters:

ctx - invocation context

Returns:

the value being removed, if any, otherwise a null.

rollback

public void rollback()

Deprecated.

Description copied from interface: ReversibleCommand

Reverses a command that has already been invoked.

Important: this method will be invoked at the end of interceptors chain. It should never be called directly from a custom interceptor.

Specified by:

rollback in interface ReversibleCommand