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org.eclipse.emf.transaction.impl
Interface InternalTransactionalCommandStack

All Superinterfaces:
CommandStack, TransactionalCommandStack
All Known Implementing Classes:
AbstractTransactionalCommandStack, TransactionalCommandStackImpl

public interface InternalTransactionalCommandStack
extends TransactionalCommandStack

An internal interface that must be provided by any implementation of the public TransactionalCommandStack interface, in order to function correctly in the transactional editing domain framework.


Method Summary
  EMFCommandTransaction createTransaction ( Command command, Map<?,?> options)
          Creates a read/write transaction in my editing domain for the purpose of executing the specified command.
 void dispose ()
          Disposes of my state and any additional resources that I may be retaining.
 void executeTriggers ( Command command, List< Command> triggers, Map<?,?> options)
          Executes the specified list of trigger commands.
  InternalTransactionalEditingDomain getDomain ()
          Obtains the editing domain in which I create transactions.
 void setEditingDomain ( InternalTransactionalEditingDomain domain)
          Assigns the editing domain in which I create transactions.
 
Methods inherited from interface org.eclipse.emf.transaction. TransactionalCommandStack
execute, getExceptionHandler, setExceptionHandler
 
Methods inherited from interface org.eclipse.emf.common.command. CommandStack
addCommandStackListener, canRedo, canUndo, execute, flush, getMostRecentCommand, getRedoCommand, getUndoCommand, redo, removeCommandStackListener, undo
 

Method Detail

getDomain

InternalTransactionalEditingDomain getDomain()
Obtains the editing domain in which I create transactions.

Returns:
my editing domain
See Also:
createTransaction(Command, Map)

setEditingDomain

void setEditingDomain(
InternalTransactionalEditingDomain domain)
Assigns the editing domain in which I create transactions.

Parameters:
domain - my editing domain
See Also:
createTransaction(Command, Map)

createTransaction

EMFCommandTransaction createTransaction(
Command command,
                                        
Map<?,?> options)
                                        throws 
InterruptedException
Creates a read/write transaction in my editing domain for the purpose of executing the specified command. The resulting transaction is expected to be started when it is returned (hence the possibility of interruption).

Parameters:
command - a command that I need to execute
options - the options to apply to the resulting transaction
Returns:
the command transaction
Throws:
InterruptedException - if the current thread is interrupted while waiting for the transaction to start
See Also:
getDomain()

executeTriggers

void executeTriggers(
Command command,
                     
List<
Command> triggers,
                     
Map<?,?> options)
                     throws 
InterruptedException,
                            
RollbackException
Executes the specified list of trigger commands. All of the commands are executed within a single child transaction of the transaction that executed the triggering command; they must not be "piggy-backed" on the currently active transaction.

Parameters:
command - the command whose execution triggered additional commands (from pre-commit listeners)
triggers - a list of zero or more Commands to execute. If there are none, then no transaction needs to be started
options - the options to apply to the child transaction
Throws:
InterruptedException - if the current thread is interrupted while waiting for the trigger transaction to start
RollbackException - if the trigger transaction rolls back on commit
See Also:
ResourceSetListener.transactionAboutToCommit(org.eclipse.emf.transaction.ResourceSetChangeEvent), createTransaction(Command, Map)

dispose

void dispose()
Disposes of my state and any additional resources that I may be retaining. I am only disposed when my editing domain is disposed.


Copyright 2002, 2007 IBM Corporation and others.
All Rights Reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire