org.openrdf.sail.rdbms
Class RdbmsStore

java.lang.Object
  org.openrdf.sail.helpers.SailBase
      org.openrdf.sail.rdbms.RdbmsStore

All Implemented Interfaces:

Sail

Direct Known Subclasses:

MySqlStore, PgSqlStore

public class RdbmsStore
extends SailBase

The RDBMS SAIL for relational database storage in Sesame. This class acts both as a base class for database specific stores as well as a generic store that can infer the type of database through the JDBC connection.

Author:

James Leigh

Field Summary

Fields inherited from class org.openrdf.sail.helpers.SailBase

connectionTimeOut, DEFAULT_CONNECTION_TIMEOUT, logger

Constructor Summary

RdbmsStore()

RdbmsStore(String url)
Creates a new RDBMS RDF Store using the provided database connection.

RdbmsStore(String jdbcDriver, String jdbcUrl)
Creates a new RDBMS RDF Store using the provided database connection.

RdbmsStore(String url, String user, String password)
Creates a new RDBMS RDF Store using the provided database connection.

RdbmsStore(String jdbcDriver, String jdbcUrl, String user, String password)
Creates a new RDBMS RDF Store using the provided database connection.

Method Summary

protected SailConnection	getConnectionInternal() returns a store-specific SailConnection object.
int	getMaxNumberOfTripleTables()
RdbmsValueFactory	getValueFactory() Gets a ValueFactory object that can be used to create URI-, blank node-, literal- and statement objects.
void	initialize() Initializes the Sail.
boolean	isIndexed()
boolean	isSequenced()
boolean	isWritable() Checks whether this Sail object is writable, i.e.
protected void	setBasicDataSource(org.apache.commons.dbcp.BasicDataSource ds)
protected void	setConnectionFactory(RdbmsConnectionFactory factory)
void	setIndexed(boolean indexed)
void	setMaxNumberOfTripleTables(int max)
void	setSequenced(boolean useSequence)
protected void	shutDownInternal() Do store-specific operations to ensure proper shutdown of the store.

Methods inherited from class org.openrdf.sail.helpers.SailBase

connectionClosed, debugEnabled, getConnection, getDataDir, setDataDir, shutDown

Methods inherited from class java.lang.Object

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

Constructor Detail

RdbmsStore

public RdbmsStore()

RdbmsStore

public RdbmsStore(String url)

Creates a new RDBMS RDF Store using the provided database connection.

Parameters:

url - JDNI url of a DataSource

RdbmsStore

public RdbmsStore(String url,
                  String user,
                  String password)

Creates a new RDBMS RDF Store using the provided database connection.

Parameters:

url - JDNI url of a DataSource

user -

password -

RdbmsStore

public RdbmsStore(String jdbcDriver,
                  String jdbcUrl)

Creates a new RDBMS RDF Store using the provided database connection.

Parameters:

jdbcDriver -

jdbcUrl -

RdbmsStore

public RdbmsStore(String jdbcDriver,
                  String jdbcUrl,
                  String user,
                  String password)

Creates a new RDBMS RDF Store using the provided database connection.

Parameters:

jdbcDriver -

jdbcUrl -

user -

password -

Method Detail

getMaxNumberOfTripleTables

public int getMaxNumberOfTripleTables()

setMaxNumberOfTripleTables

public void setMaxNumberOfTripleTables(int max)

isIndexed

public boolean isIndexed()

setIndexed

public void setIndexed(boolean indexed)
                throws SailException

Throws:

SailException

isSequenced

public boolean isSequenced()

setSequenced

public void setSequenced(boolean useSequence)

initialize

public void initialize()
                throws SailException

Description copied from interface: Sail

Initializes the Sail. Care should be taken that required initialization parameters have been set before this method is called. Please consult the specific Sail implementation for information about the relevant parameters.

Throws:

SailException - If the Sail could not be initialized.

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

getValueFactory

public RdbmsValueFactory getValueFactory()

Description copied from interface: Sail

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

Returns:

a ValueFactory object for this Sail object.

getConnectionInternal

protected SailConnection getConnectionInternal()
                                        throws SailException

Description copied from class: SailBase

returns a store-specific SailConnection object.

Specified by:

getConnectionInternal in class SailBase

Returns:

a SailConnection

Throws:

SailException

shutDownInternal

protected void shutDownInternal()
                         throws SailException

Description copied from class: SailBase

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

Specified by:

shutDownInternal in class SailBase

Throws:

SailException

setConnectionFactory

protected void setConnectionFactory(RdbmsConnectionFactory factory)

setBasicDataSource

protected void setBasicDataSource(org.apache.commons.dbcp.BasicDataSource ds)