pool::ITransaction Class Reference

ITransaction is the interface class for user (macroscopic transactions) Every operation with the pool storage system should be performed within a transaction. More...

#include <PersistencySvc/ITransaction.h>

Inheritance diagram for pool::ITransaction:

Collaboration diagram for pool::ITransaction:

Public Types
enum	Type { UNDEFINED , READ , UPDATE }
	Transaction type enumeration. More...

Public Member Functions
virtual bool	start (Type type=READ)=0
	Starts a new transaction. Returns the success of the operation.
virtual bool	commit ()=0
	Commits the transaction.
virtual bool	commitAndHold ()=0
	Commits the holds transaction.
virtual void	rollback ()=0
	Rolls back the transaction.
virtual bool	isActive () const =0
	Checks if the transaction is active.
virtual void	update ()=0
	Reverts to update mode.
virtual Type	type () const =0
	Returns the transaction type.

Protected Member Functions
virtual	~ITransaction ()
	Default destructor.

Detailed Description

ITransaction is the interface class for user (macroscopic transactions) Every operation with the pool storage system should be performed within a transaction.

It is up to the specific implementation to perform proper transaction handling (rollbacks, locking, etc...)

Definition at line 21 of file ITransaction.h.

Member Enumeration Documentation

Type

enum pool::ITransaction::Type

Transaction type enumeration.

Enumerator
UNDEFINED
READ
UPDATE

Definition at line 28 of file ITransaction.h.

                 { UNDEFINED,
                   READ,
                   UPDATE } Type;

Constructor & Destructor Documentation

~ITransaction()

virtual pool::ITransaction::~ITransaction ( )

inlineprotectedvirtual

Default destructor.

Definition at line 24 of file ITransaction.h.

{}

Member Function Documentation

commit()

virtual bool pool::ITransaction::commit ( )

pure virtual

Commits the transaction.

Implemented in pool::PersistencySvc::GlobalTransaction.

commitAndHold()

virtual bool pool::ITransaction::commitAndHold ( )

pure virtual

Commits the holds transaction.

Implemented in pool::PersistencySvc::GlobalTransaction.

isActive()

virtual bool pool::ITransaction::isActive ( ) const

pure virtual

Checks if the transaction is active.

Implemented in pool::PersistencySvc::GlobalTransaction.

rollback()

virtual void pool::ITransaction::rollback ( )

pure virtual

Rolls back the transaction.

Implemented in pool::PersistencySvc::GlobalTransaction.

start()

virtual bool pool::ITransaction::start ( Type type = READ )

pure virtual

Starts a new transaction. Returns the success of the operation.

Implemented in pool::PersistencySvc::GlobalTransaction.

type()

virtual Type pool::ITransaction::type ( ) const

pure virtual

Returns the transaction type.

Implemented in pool::PersistencySvc::GlobalTransaction.

update()

virtual void pool::ITransaction::update ( )

pure virtual

Reverts to update mode.

Implemented in pool::PersistencySvc::GlobalTransaction.

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The documentation for this class was generated from the following file:

• ITransaction.h