org.jboss.cache.commands.write

Class MoveCommand

java.lang.Object

org.jboss.cache.commands.read.AbstractDataCommand

org.jboss.cache.commands.write.MoveCommand

All Implemented Interfaces:

DataCommand, ReplicableCommand, VisitableCommand, WriteCommand

Direct Known Subclasses:

PessMoveCommand

public class MoveCommand
extends AbstractDataCommand
implements WriteCommand

Implements functionality defined by Cache.move(org.jboss.cache.Fqn, org.jboss.cache.Fqn)

Since:

2.2

Author:

Mircea.Markus@jboss.com

Field Summary

Fields

Modifier and Type	Field and Description
protected GlobalTransaction	globalTransaction
protected static org.apache.commons.logging.Log	log
static int	METHOD_ID
protected Notifier	notifier
protected Fqn	to
protected static boolean	trace

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

dataContainer, fqn

Constructor Summary

Constructors

Constructor and Description
MoveCommand()
MoveCommand(Fqn from, Fqn to)

Method Summary

Methods

Modifier and Type	Method and Description
Object	acceptVisitor(InvocationContext ctx, Visitor visitor) Accept a visitor, and return the result of accepting this visitor.
boolean	equals(Object o)
int	getCommandId() Used by marshallers to convert this command into an id for streaming.
GlobalTransaction	getGlobalTransaction()
Object[]	getParameters() Basic versions of these methods
Fqn	getTo()
int	hashCode()
void	initialize(Notifier notifier, DataContainer dataContainer)
Object	perform(InvocationContext ctx) Moves a node, from fqn to to, and returns null.
void	setGlobalTransaction(GlobalTransaction globalTransaction) Sets a GlobalTransaction on this command.
void	setParameters(int commandId, Object[] args) Basic versions of these methods
String	toString()

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.DataCommand

getFqn

Field Detail

METHOD_ID

public static final int METHOD_ID

See Also:

Constant Field Values

log

protected static final org.apache.commons.logging.Log log

trace

protected static final boolean trace

notifier

protected Notifier notifier

to

protected Fqn to

globalTransaction

protected GlobalTransaction globalTransaction

Constructor Detail

MoveCommand

public MoveCommand()

MoveCommand

public MoveCommand(Fqn from,
           Fqn to)

Method Detail

initialize

public void initialize(Notifier notifier,
              DataContainer dataContainer)

getGlobalTransaction

public GlobalTransaction getGlobalTransaction()

Specified by:

getGlobalTransaction in interface WriteCommand

Returns:

a GlobalTransaction associated with this command.

setGlobalTransaction

public void setGlobalTransaction(GlobalTransaction globalTransaction)

Description copied from interface: WriteCommand

Sets a GlobalTransaction on this command.

Specified by:

setGlobalTransaction in interface WriteCommand

Parameters:

globalTransaction - global transaction to set

perform

public Object perform(InvocationContext ctx)

Moves a node, from fqn to to, and returns null.

Specified by:

perform in interface ReplicableCommand

Parameters:

ctx - invocation context

Returns:

null

acceptVisitor

public Object acceptVisitor(InvocationContext ctx,
                   Visitor visitor)
                     throws Throwable

Description copied from interface: VisitableCommand

Accept a visitor, and return the result of accepting this visitor.

Specified by:

acceptVisitor in interface VisitableCommand

Parameters:

ctx - invocation context

visitor - visitor to accept

Returns:

arbitrary return value

Throws:

Throwable - in the event of problems

getTo

public Fqn getTo()

getCommandId

public int getCommandId()

Description copied from interface: ReplicableCommand

Used by marshallers to convert this command into an id for streaming.

Specified by:

getCommandId in interface ReplicableCommand

Returns:

the method id of this command. This is compatible with pre-2.2.0 MethodCall ids.

getParameters

public Object[] getParameters()

Description copied from class: AbstractDataCommand

Basic versions of these methods

Specified by:

getParameters in interface ReplicableCommand

Overrides:

getParameters in class AbstractDataCommand

Returns:

an object array of arguments, compatible with pre-2.2.0 MethodCall args.

setParameters

public void setParameters(int commandId,
                 Object[] args)

Description copied from class: AbstractDataCommand

Basic versions of these methods

Specified by:

setParameters in interface ReplicableCommand

Overrides:

setParameters in class AbstractDataCommand

Parameters:

commandId - command id to set. This is usually unused but *could* be used in the event of a command having multiple IDs, such as PutKeyValueCommand.

args - object array of args

equals

public boolean equals(Object o)

Overrides:

equals in class AbstractDataCommand

hashCode

public int hashCode()

Overrides:

hashCode in class AbstractDataCommand

toString

public String toString()

Overrides:

toString in class AbstractDataCommand