Uses of Interface
org.datanucleus.flush.Operation

Packages that use Operation

Package	Description
org.datanucleus	This package provides classes that are typically externally called, whether that means by developers or by other DataNucleus plugins.
org.datanucleus.flush	This package provides classes managing the flush process when using MANUAL flush.

Uses of Operation in org.datanucleus

Methods in org.datanucleus with parameters of type Operation

Modifier and Type	Method	Description
void	ExecutionContext.addOperationToQueue(Operation oper)	Method to add an operation to the queue.
void	ExecutionContextImpl.addOperationToQueue(Operation oper)

Uses of Operation in org.datanucleus.flush

Subinterfaces of Operation in org.datanucleus.flush

Modifier and Type	Interface	Description
interface	SCOOperation	(Queued) operation performed on a backing store.

Classes in org.datanucleus.flush that implement Operation

Modifier and Type	Class	Description
class	CollectionAddOperation<E>	Add operation for a collection where we have a backing store.
class	CollectionClearOperation	Clear operation for a collection where we have a backing store.
class	CollectionRemoveOperation<E>	Remove operation for a collection.
class	DeleteOperation	Flush operation for a delete of the specified object.
class	ListAddAtOperation<E>	Add operation at a position for a list where we have a backing store.
class	ListRemoveAtOperation<E>	Remove operation for a list at a particular index where we have a backing store.
class	ListSetOperation<E>	Set operation for a list where we have a backing store.
class	MapClearOperation	Clear operation for a map where we have a backing store.
class	MapPutOperation<K,V>	Put operation for a map where we have a backing store.
class	MapRemoveOperation<K,V>	Remove operation for a map where we have a backing store.
class	PersistOperation	Flush operation for a persist of the specified object.
class	UpdateMemberOperation	Flush operation for an update of the value of a member of the specified object.

Fields in org.datanucleus.flush with type parameters of type Operation

Modifier and Type	Field	Description
protected List<Operation>	OperationQueue.queuedOperations

Methods in org.datanucleus.flush that return types with arguments of type Operation

Modifier and Type	Method	Description
List<Operation>	OperationQueue.getOperations()	Method to provide access to inspect the queued operations.

Methods in org.datanucleus.flush with parameters of type Operation

Modifier and Type	Method	Description
void	OperationQueue.enqueue(Operation oper)	Method to add the specified operation to the operation queue.
protected static boolean	OperationQueue.isAddFollowedByRemoveOnSameSCO(Store store, DNStateManager sm, Operation currentOper, ListIterator<Operation> listIter)	Convenience optimisation checker to return if the current operation is ADD of an element that is immediately REMOVED.
protected static boolean	OperationQueue.isPutFollowedByRemoveOnSameSCO(Store store, DNStateManager sm, Operation currentOper, ListIterator<Operation> listIter)	Convenience optimisation checker to return if the current operation is PUT of a key that is immediately REMOVED.
protected static boolean	OperationQueue.isRemoveFollowedByAddOnSameSCO(Store store, DNStateManager sm, Operation currentOper, ListIterator<Operation> listIter)	Convenience optimisation checker to return if the current operation is REMOVE of an element that is immediately ADDed.

Method parameters in org.datanucleus.flush with type arguments of type Operation

Modifier and Type	Method	Description
protected static boolean	OperationQueue.isAddFollowedByRemoveOnSameSCO(Store store, DNStateManager sm, Operation currentOper, ListIterator<Operation> listIter)	Convenience optimisation checker to return if the current operation is ADD of an element that is immediately REMOVED.
protected static boolean	OperationQueue.isPutFollowedByRemoveOnSameSCO(Store store, DNStateManager sm, Operation currentOper, ListIterator<Operation> listIter)	Convenience optimisation checker to return if the current operation is PUT of a key that is immediately REMOVED.
protected static boolean	OperationQueue.isRemoveFollowedByAddOnSameSCO(Store store, DNStateManager sm, Operation currentOper, ListIterator<Operation> listIter)	Convenience optimisation checker to return if the current operation is REMOVE of an element that is immediately ADDed.
void	OperationQueue.removeOperations(List<Operation> removedOps)