ilAtomQueryTransaction Class Reference

Class ilAtomQueryTransaction. More...

Inheritance diagram for ilAtomQueryTransaction:

Collaboration diagram for ilAtomQueryTransaction:

Public Member Functions
	run ()
	Fire your Queries. More...
Public Member Functions inherited from ilAtomQueryBase
	__construct (ilDBInterface $ilDBInstance, $isolation_level=ilAtomQuery::ISOLATION_SERIALIZABLE)
	ilAtomQuery constructor. More...
	getRisks ()
	addTableLock ($table_name)
	Add table-names which are influenced by your queries, MyISAm has to lock those tables. More...
	addQueryCallable (callable $query)
	All action on the database during this isolation has to be passed as Callable to ilAtomQuery. More...
	replaceQueryCallable (callable $query)
	run ()
	Fire your Queries. More...
	getIsolationLevel ()
	checkCallable (callable $query)
	addTableLock ($table_name)
	Add table-names which are influenced by your queries, MyISAm has to lock those tables. More...
	addQueryCallable (callable $query)
	Every action on the database during this isolation has to be passed as Callable to ilAtomQuery. More...
	replaceQueryCallable (callable $query)
	Every action on the database during this isolation has to be passed as Callable to ilAtomQuery. More...
	run ()
	Fire your Queries. More...
	getIsolationLevel ()
	Returns the current Isolation-Level. More...
	checkCallable (callable $query)
	Provides a check if your callable is ready to be used in ilAtomQuery. More...

Protected Member Functions
	runWithTransactions ()
Protected Member Functions inherited from ilAtomQueryBase
	getDeterminedLockLevel ()
	checkQueries ()
	runQueries ()
	checkBeforeRun ()

Additional Inherited Members
Static Public Member Functions inherited from ilAtomQueryBase
static	isThereRiskThat ($isolation_level, $anomaly)
static	getPossibleAnomalies ($isolation_level)
static	checkIsolationLevel ($isolation_level)
static	checkAnomaly ($anomalie)
static	checkIsolationLevel ($isolation_level)
Data Fields inherited from ilAtomQueryBase
const	ITERATIONS = 10
Data Fields inherited from ilAtomQuery
const	LOCK_WRITE = 1
const	LOCK_READ = 2
const	ISOLATION_READ_UNCOMMITED = 1
const	ISOLATION_READ_COMMITED = 2
const	ISOLATION_REPEATED_READ = 3
const	ISOLATION_SERIALIZABLE = 4
const	ANO_LOST_UPDATES = 1
const	ANO_DIRTY_READ = 2
const	ANO_NON_REPEATED_READ = 3
const	ANO_PHANTOM = 4
Protected Attributes inherited from ilAtomQueryBase
	$isolation_level = ilAtomQuery::ISOLATION_SERIALIZABLE
	$tables = array()
	$query = null
	$ilDBInstance
Static Protected Attributes inherited from ilAtomQueryBase
static	$available_isolations_levels
static	$possible_anomalies
static	$anomalies_map

Detailed Description

Class ilAtomQueryTransaction.

Author

Fabian Schmid fs@st.nosp@m.uder.nosp@m.-raim.nosp@m.ann..nosp@m.ch

    Implements Atom-Queries with Transactions, currently used in ilDbPdoGalery

Definition at line 12 of file class.ilAtomQueryTransaction.php.

Member Function Documentation

run()

ilAtomQueryTransaction::run

(

)

Fire your Queries.

Exceptions

ilAtomQueryException

Reimplemented from ilAtomQueryBase.

Definition at line 20 of file class.ilAtomQueryTransaction.php.

    {
        $this->checkBeforeRun();
        $this->runWithTransactions();
    }

References ilAtomQueryBase\checkBeforeRun(), and runWithTransactions().

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runWithTransactions()

ilAtomQueryTransaction::runWithTransactions ( )

protected

Exceptions

ilAtomQueryException

Definition at line 30 of file class.ilAtomQueryTransaction.php.

    {
        $i = 0;
        do {
            $e = null;
            try {
                $this->ilDBInstance->beginTransaction();
                $this->runQueries();
                $this->ilDBInstance->commit();
            } catch (ilDatabaseException $e) {
                $this->ilDBInstance->rollback();
                if ($i >= self::ITERATIONS - 1) {
                    throw $e;
                }
            }
            $i++;
        } while ($e instanceof ilDatabaseException);
    }

References $i, and ilAtomQueryBase\runQueries().

Referenced by run().

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

• Services/Database/classes/Atom/class.ilAtomQueryTransaction.php