Class FedXConnection.SailBaseDefaultImpl

java.lang.Object

org.eclipse.rdf4j.sail.helpers.AbstractSail

org.eclipse.rdf4j.federated.FedXConnection.SailBaseDefaultImpl

All Implemented Interfaces:

Sail

Enclosing class:

FedXConnection

protected static class FedXConnection.SailBaseDefaultImpl
extends AbstractSail

A default implementation for AbstractSail. This implementation has no further use, however it is needed for the constructor call.

Author:

as

Field Summary

Fields inherited from class AbstractSail

connectionTimeOut, DEFAULT_CONNECTION_TIMEOUT, DEFAULT_ITERATION_SYNC_THRESHOLD, initializationLock

Modifier and Type	Field	Description
protected long	connectionTimeOut	Connection timeout on shutdown (in ms).
protected static final long	DEFAULT_CONNECTION_TIMEOUT	Default connection timeout on shutdown: 20,000 milliseconds (20 seconds).
protected static final long	DEFAULT_ITERATION_SYNC_THRESHOLD	default value for the Iteration item sync threshold
protected final ReentrantReadWriteLock	initializationLock	Lock used to synchronize the initialization state of a sail.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SailBaseDefaultImpl()

Method Summary

Modifier and Type	Method	Description
protected void	connectionClosed(SailConnection connection)	Signals to the store that the supplied connection has been closed; called by AbstractSailConnection.close().
protected SailConnection	getConnectionInternal()	Returns a store-specific SailConnection object.
ValueFactory	getValueFactory()	Gets a ValueFactory object that can be used to create IRI-, blank node-, literal- and statement objects.
boolean	isWritable()	Checks whether this Sail object is writable, i.e. if the data contained in this Sail object can be changed.
protected void	shutDownInternal()	Do store-specific operations to ensure proper shutdown of the store.

Methods inherited from class AbstractSail

addSupportedIsolationLevel, debugEnabled, getConnection, getDataDir, getDefaultIsolationLevel, getDefaultQueryEvaluationMode, getIterationCacheSyncThreshold, getSupportedIsolationLevels, init, initializeInternal, isInitialized, isTrackResultSize, removeSupportedIsolationLevel, setConnectionTimeOut, setDataDir, setDefaultIsolationLevel, setDefaultQueryEvaluationMode, setIterationCacheSyncThreshold, setSupportedIsolationLevels, setSupportedIsolationLevels, setTrackResultSize, shutDown, toString

Modifier and Type	Method	Description
protected void	addSupportedIsolationLevel(IsolationLevels level)	Appends the provided IsolationLevels to the SAIL's list of supported isolation levels.
protected static boolean	debugEnabled()
SailConnection	getConnection()	Opens a connection on the Sail which can be used to query and update data.
File	getDataDir()	Gets the Sail's data directory.
IsolationLevel	getDefaultIsolationLevel()	Retrieves the default IsolationLevel level on which transactions in this Sail operate.
QueryEvaluationMode	getDefaultQueryEvaluationMode()
long	getIterationCacheSyncThreshold()	Retrieves the currently configured threshold for syncing query evaluation iteration caches to disk.
List<IsolationLevel>	getSupportedIsolationLevels()	Retrieve the IsolationLevels supported by this SAIL, ordered by increasing complexity.
void	init()	Initializes the Sail.
protected void	initializeInternal()	Do store-specific operations to initialize the store.
protected boolean	isInitialized()	Checks whether the Sail has been initialized.
boolean	isTrackResultSize()	Returns the status of the result size tracking for the query plan.
protected void	removeSupportedIsolationLevel(IsolationLevel level)	Removes all occurrences of the provided IsolationLevels in the list of supported Isolation levels.
void	setConnectionTimeOut(long connectionTimeOut)	Set connection timeout on shutdown (in ms).
void	setDataDir(File dataDir)	Sets the data directory for the Sail.
void	setDefaultIsolationLevel(IsolationLevel defaultIsolationLevel)	Sets the default IsolationLevel on which transactions in this Sail operate.
void	setDefaultQueryEvaluationMode(QueryEvaluationMode defaultQueryEvaluationMode)
void	setIterationCacheSyncThreshold(long iterationCacheSyncThreshold)	Set the threshold for syncing query evaluation iteration caches to disk.
protected void	setSupportedIsolationLevels(List<IsolationLevel> supportedIsolationLevels)	Sets the list of supported IsolationLevelss for this SAIL.
protected void	setSupportedIsolationLevels(IsolationLevel... supportedIsolationLevels)	Sets the list of supported IsolationLevelss for this SAIL.
void	setTrackResultSize(boolean trackResultSize)	Enable or disable results size tracking for the query plan.
void	shutDown()	Shuts down the Sail, giving it the opportunity to synchronize any stale data.
String	toString()

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface Sail

getCollectionFactory

Modifier and Type	Method	Description
default Supplier<CollectionFactory>	getCollectionFactory()	Gets a CollectionFactory that may be optimized for this store and may or may not use disk or other resources.

Constructor Details

SailBaseDefaultImpl

protected SailBaseDefaultImpl()

Method Details

getConnectionInternal

protected SailConnection getConnectionInternal()
                                        throws SailException

Description copied from class: AbstractSail

Returns a store-specific SailConnection object.

Specified by:

getConnectionInternal in class AbstractSail

Returns:

A connection to the store.

Throws:

SailException

shutDownInternal

protected void shutDownInternal()
                         throws SailException

Description copied from class: AbstractSail

Do store-specific operations to ensure proper shutdown of the store.

Specified by:

shutDownInternal in class AbstractSail

Throws:

SailException

getValueFactory

public ValueFactory getValueFactory()

Description copied from interface: Sail

Gets a ValueFactory object that can be used to create IRI-, blank node-, literal- and statement objects.

Returns:

a ValueFactory object for this Sail object.

isWritable

public boolean isWritable()
                   throws SailException

Description copied from interface: Sail

Checks whether this Sail object is writable, i.e. if the data contained in this Sail object can be changed.

Throws:

SailException

connectionClosed

protected void connectionClosed(SailConnection connection)

Description copied from class: AbstractSail

Signals to the store that the supplied connection has been closed; called by AbstractSailConnection.close().

Overrides:

connectionClosed in class AbstractSail

Parameters:

connection - The connection that has been closed.