Package gda.commandqueue

Class CommandQueue

java.lang.Object

gda.commandqueue.CommandQueue

All Implemented Interfaces:

Queue, gda.observable.IObservable

public final class CommandQueue
extends Object
implements Queue

CommandQueue is an implementation of Queue for handling Command objects

Constructor Summary

Constructors

Constructor	Description
CommandQueue()

Method Summary

Modifier and Type	Method	Description
void	addIObserver(gda.observable.IObserver anIObserver)
CommandId	addToTail(Command command)
CommandId	addToTail(CommandProvider provider)
void	deleteIObserver(gda.observable.IObserver anIObserver)
void	deleteIObservers()
CommandDetails	getCommandDetails(CommandId id)
CommandSummary	getCommandSummary(CommandId id)
CommandId	getRemovedHeadID()
List<QueuedCommandSummary>	getSummaryList()
void	moveToBefore(CommandId id, Collection<CommandId> cmdIds)
void	moveToHead(Collection<CommandId> cmdIds)
void	moveToTail(Collection<CommandId> cmdIds)
Command	remove(CommandId id)
void	remove(Collection<CommandId> cmdIds)
Collection<Command>	removeAll()
Command	removeHead()
void	replace(CommandId id, Command cmd)
void	setCommandDetails(CommandId id, String details)

Methods inherited from class java.lang.Object

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

Constructor Details

CommandQueue

public CommandQueue()

Method Details

addToTail

public CommandId addToTail(Command command)

Specified by:

addToTail in interface Queue

getSummaryList

public List<QueuedCommandSummary> getSummaryList()
                                          throws Exception

Specified by:

getSummaryList in interface Queue

Throws:

Exception

moveToBefore

public void moveToBefore(CommandId id,
 Collection<CommandId> cmdIds)

Specified by:

moveToBefore in interface Queue

moveToHead

public void moveToHead(Collection<CommandId> cmdIds)

Specified by:

moveToHead in interface Queue

moveToTail

public void moveToTail(Collection<CommandId> cmdIds)

Specified by:

moveToTail in interface Queue

removeHead

public Command removeHead()

Specified by:

removeHead in interface Queue

getRemovedHeadID

public CommandId getRemovedHeadID()

Specified by:

getRemovedHeadID in interface Queue

remove

public Command remove(CommandId id)

Specified by:

remove in interface Queue

removeAll

public Collection<Command> removeAll()

Specified by:

removeAll in interface Queue

replace

public void replace(CommandId id,
 Command cmd)

Specified by:

replace in interface Queue

addIObserver

public void addIObserver(gda.observable.IObserver anIObserver)

Specified by:

addIObserver in interface gda.observable.IObservable

deleteIObserver

public void deleteIObserver(gda.observable.IObserver anIObserver)

Specified by:

deleteIObserver in interface gda.observable.IObservable

deleteIObservers

public void deleteIObservers()

Specified by:

deleteIObservers in interface gda.observable.IObservable

remove

public void remove(Collection<CommandId> cmdIds)

Specified by:

remove in interface Queue

getCommandDetails

public CommandDetails getCommandDetails(CommandId id)
                                 throws Exception

Specified by:

getCommandDetails in interface Queue

Throws:

Exception

setCommandDetails

public void setCommandDetails(CommandId id,
 String details)
                       throws Exception

Specified by:

setCommandDetails in interface Queue

Throws:

Exception

getCommandSummary

public CommandSummary getCommandSummary(CommandId id)
                                 throws Exception

Specified by:

getCommandSummary in interface Queue

Throws:

Exception

addToTail

public CommandId addToTail(CommandProvider provider)
                    throws Exception

Specified by:

addToTail in interface Queue

Throws:

Exception