An LBFactory class that always returns a single database object. More...

Inheritance diagram for Wikimedia\Rdbms\LBFactorySingle:

Collaboration diagram for Wikimedia\Rdbms\LBFactorySingle:

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Public Member Functions
	__construct (array $conf)

	forEachLB ( $callback, array $params=[])

	getAllExternalLBs ()

	getAllMainLBs ()

	getExternalLB ( $cluster)

	getMainLB ( $domain=false)

	newExternalLB ( $cluster)

	newMainLB ( $domain=false)

Public Member Functions inherited from Wikimedia\Rdbms\LBFactory
	__destruct ()

	appendShutdownCPIndexAsQuery ( $url, $index)
	Append ?cpPosIndex parameter to a URL for ChronologyProtector purposes if needed. More...

	beginMasterChanges ( $fname=__METHOD__)
	Flush any master transaction snapshots and set DBO_TRX (if DBO_DEFAULT is set) More...

	closeAll ()
	Close all open database connections on all open load balancers. More...

	commitAll ( $fname=__METHOD__, array $options=[])
	Commit open transactions on all connections. More...

	commitAndWaitForReplication ( $fname, $ticket, array $opts=[])
	Convenience method for safely running commitMasterChanges()/waitForReplication() More...

	commitMasterChanges ( $fname=__METHOD__, array $options=[])
	Commit changes and clear view snapshots on all master connections. More...

	destroy ()
	Disables all load balancers. More...

	disableChronologyProtection ()
	Disable the ChronologyProtector for all load balancers. More...

	flushReplicaSnapshots ( $fname=__METHOD__)
	Commit all replica DB transactions so as to flush any REPEATABLE-READ or SSI snapshot. More...

	getChronologyProtectorTouched ( $dbName)

	getEmptyTransactionTicket ( $fname)
	Get a token asserting that no transaction writes are active. More...

	getLocalDomainID ()
	Get the local (and default) database domain ID of connection handles. More...

	hasMasterChanges ()
	Determine if any master connection has pending changes. More...

	hasOrMadeRecentMasterChanges ( $age=null)
	Determine if any master connection has pending/written changes from this request. More...

	hasTransactionRound ()
	Check if an explicit transaction round is active. More...

	isReadyForRoundOperations ()
	Check if transaction rounds can be started, committed, or rolled back right now. More...

	laggedReplicaUsed ()
	Detemine if any lagged replica DB connection was used. More...

	redefineLocalDomain ( $domain)
	Close all connection and redefine the local domain for testing or schema creation. More...

	resolveDomainID ( $domain)

	rollbackMasterChanges ( $fname=__METHOD__)
	Rollback changes on all master connections. More...

	setAgentName ( $agent)

	setDomainPrefix ( $prefix)
	Set a new table prefix for the existing local domain ID for testing. More...

	setIndexAliases (array $aliases)
	Convert certain index names to alternative names before querying the DB. More...

	setRequestInfo (array $info)

	setTableAliases (array $aliases)
	Make certain table names use their own database, schema, and table prefix when passed into SQL queries pre-escaped and without a qualified database name. More...

	setWaitForReplicationListener ( $name, callable $callback=null)
	Add a callback to be run in every call to waitForReplication() before waiting. More...

	shutdown ( $mode=self::SHUTDOWN_CHRONPROT_SYNC, callable $workCallback=null, &$cpIndex=null, &$cpClientId=null)
	Prepare all tracked load balancers for shutdown. More...

	waitForReplication (array $opts=[])
	Waits for the replica DBs to catch up to the current master position. More...

Static Public Member Functions
static	newFromConnection (IDatabase $db, array $params=[])

Static Public Member Functions inherited from Wikimedia\Rdbms\LBFactory
static	getCPInfoFromCookieValue ( $value, $minTimestamp)

static	makeCookieValueFromCPIndex ( $index, $time, $clientId)

Private Attributes
LoadBalancerSingle	$lb

Additional Inherited Members
Public Attributes inherited from Wikimedia\Rdbms\LBFactory
const	ROUND_BEGINNING = 'within-begin'

const	ROUND_COMMIT_CALLBACKS = 'within-commit-callbacks'

const	ROUND_COMMITTING = 'within-commit'

const	ROUND_CURSORY = 'cursory'

const	ROUND_ROLLBACK_CALLBACKS = 'within-rollback-callbacks'

const	ROUND_ROLLING_BACK = 'within-rollback'

Public Attributes inherited from Wikimedia\Rdbms\ILBFactory
const	SHUTDOWN_CHRONPROT_ASYNC = 1

const	SHUTDOWN_CHRONPROT_SYNC = 2

const	SHUTDOWN_NO_CHRONPROT = 0

Protected Member Functions inherited from Wikimedia\Rdbms\LBFactory
	baseLoadBalancerParams ()
	Base parameters to ILoadBalancer::__construct() More...

	forEachLBCallMethod ( $methodName, array $args=[])
	Call a method of each tracked load balancer. More...

	getChronologyProtector ()

	getScopedPHPBehaviorForCommit ()
	Make PHP ignore user aborts/disconnects until the returned value leaves scope. More...

	initLoadBalancer (ILoadBalancer $lb)

	shutdownChronologyProtector (ChronologyProtector $cp, $workCallback, $mode, &$cpIndex=null)
	Get and record all of the staged DB positions into persistent memory storage. More...

Protected Attributes inherited from Wikimedia\Rdbms\LBFactory
DatabaseDomain	$localDomain
	Local domain. More...

BagOStuff	$memStash

string bool	$readOnlyReason = false
	Reason all LBs are read-only or false if not. More...

BagOStuff	$srvCache

WANObjectCache	$wanCache