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org.eclipse.emf.transaction.impl
Interface InternalTransactionalCommandStack
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All Superinterfaces:
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CommandStack,
TransactionalCommandStack
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All Known Implementing Classes:
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AbstractTransactionalCommandStack,
TransactionalCommandStackImpl,
WorkspaceCommandStackImpl
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public interface InternalTransactionalCommandStack
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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.
Methods inherited from interface org.eclipse.emf.common.command.
CommandStack
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addCommandStackListener,
canRedo,
canUndo,
execute,
flush,
getMostRecentCommand,
getRedoCommand,
getUndoCommand,
redo,
removeCommandStackListener,
undo
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getDomain
InternalTransactionalEditingDomain getDomain()
- Obtains the editing domain in which I create transactions.
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Returns:
- my editing domain
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See Also:
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createTransaction(Command, Map)
setEditingDomain
void setEditingDomain(
InternalTransactionalEditingDomain domain)
- Assigns the editing domain in which I create transactions.
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Parameters:
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domain - my editing domain -
See Also:
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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).
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Parameters:
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command - a command that I need to execute -
options - the options to apply to the resulting transaction
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Returns:
- the command transaction
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Throws:
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InterruptedException
- if the current thread is interrupted while
waiting for the transaction to start -
See Also:
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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.
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Parameters:
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command - the command whose execution triggered additional commands
(from pre-commit listeners) -
triggers - a list of zero or more
Command s to execute.
If there are none, then no transaction needs to be started -
options - the options to apply to the child transaction
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Throws:
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InterruptedException
- if the current thread is interrupted while
waiting for the trigger transaction to start
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RollbackException
- if the trigger transaction rolls back on commit -
See Also:
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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.
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