org.eclipse.jpt.common.utility.command
Class NotifyingRepeatingCommand.Null

java.lang.Object
  org.eclipse.jpt.common.utility.command.NotifyingRepeatingCommand.Null

All Implemented Interfaces:

Serializable, Command, InterruptibleCommand, NotifyingRepeatingCommand, RepeatingCommand

Enclosing interface:

NotifyingRepeatingCommand

public static final class NotifyingRepeatingCommand.Null
extends Object
implements NotifyingRepeatingCommand, Serializable

Singleton implementation of the notifying repeating command interface that will do nothing when executed.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.jpt.common.utility.command.NotifyingRepeatingCommand

NotifyingRepeatingCommand.Listener, NotifyingRepeatingCommand.Null

Nested classes/interfaces inherited from interface org.eclipse.jpt.common.utility.command.Command

Command.Disabled

Nested classes/interfaces inherited from interface org.eclipse.jpt.common.utility.command.InterruptibleCommand

InterruptibleCommand.Interrupted

Field Summary

static NotifyingRepeatingCommand

INSTANCE

Method Summary

void	addListener(NotifyingRepeatingCommand.Listener listener) Add the specified listener.
void	execute() Execute the command.
static NotifyingRepeatingCommand	instance()
void	removeListener(NotifyingRepeatingCommand.Listener listener) Remove the specified listener.
void	start() Start the command, allowing it to begin executing with the next call to Command.execute().
void	stop() Stop the command; ignore further calls to Command.execute().
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

INSTANCE

public static final NotifyingRepeatingCommand INSTANCE

Method Detail

instance

public static NotifyingRepeatingCommand instance()

start

public void start()

Description copied from interface: RepeatingCommand

Start the command, allowing it to begin executing with the next call to Command.execute().

Specified by:

start in interface RepeatingCommand

execute

public void execute()

Description copied from interface: Command

Execute the command. The semantics of the command is determined by the contract between the client and server.

Specified by:

execute in interface Command

Specified by:

execute in interface InterruptibleCommand

stop

public void stop()

Description copied from interface: RepeatingCommand

Stop the command; ignore further calls to Command.execute().

Specified by:

stop in interface RepeatingCommand

addListener

public void addListener(NotifyingRepeatingCommand.Listener listener)

Description copied from interface: NotifyingRepeatingCommand

Add the specified listener.

Specified by:

addListener in interface NotifyingRepeatingCommand

removeListener

public void removeListener(NotifyingRepeatingCommand.Listener listener)

Description copied from interface: NotifyingRepeatingCommand

Remove the specified listener.

Specified by:

removeListener in interface NotifyingRepeatingCommand

toString

public String toString()

Overrides:

toString in class Object