org.vivoweb.harvester.util.repo
Class TDBJenaConnect

java.lang.Object
  org.vivoweb.harvester.util.repo.JenaConnect
      org.vivoweb.harvester.util.repo.TDBJenaConnect

Direct Known Subclasses:

MemJenaConnect

public class TDBJenaConnect
extends JenaConnect

Connection Helper for TDB Jena Models

Author:

Christopher Haines (hainesc@ctrip.ufl.edu)

Field Summary

Fields inherited from class org.vivoweb.harvester.util.repo.JenaConnect

formatSymbols

Constructor Summary

TDBJenaConnect(java.lang.String dbDir)
Constructor (Default Model)

TDBJenaConnect(java.lang.String dbDir, java.lang.String modelName)
Constructor (TDB Named Model)

Method Summary

void	close() Closes the model and the jdbc connection
com.hp.hpl.jena.query.Dataset	getDataSet() Get the dataset for this connection Can be very expensive when using RDB connections (SDB, TDB, and Mem are fine)
JenaConnect	neighborConnectClone(java.lang.String modelName) Factory (connects to the same jena triple store as another jena connect, but uses a different named model)
void	printParameters() Output the jena model information
void	truncate() Remove all statements from model

Methods inherited from class org.vivoweb.harvester.util.repo.JenaConnect

containsURI, executeAskQuery, executeConstructQuery, executeDescribeQuery, executeQuery, executeQuery, executeSelectQuery, executeSelectQuery, executeUpdateQuery, exportRdfToFile, exportRdfToStream, exportRdfToString, getJenaModel, getModelName, isEmpty, loadRdfFromFile, loadRdfFromJC, loadRdfFromRH, loadRdfFromStream, loadRdfFromString, main, parseConfig, parseConfig, parseConfig, parseConfig, parseConfig, parseConfig, parseConfig, removeRdfFromFile, removeRdfFromJC, removeRdfFromRH, removeRdfFromStream, setJenaModel, setModelName, size

Methods inherited from class java.lang.Object

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

Constructor Detail

TDBJenaConnect

public TDBJenaConnect(java.lang.String dbDir)

Constructor (Default Model)

Parameters:

dbDir - tdb directory name

TDBJenaConnect

public TDBJenaConnect(java.lang.String dbDir,
                      java.lang.String modelName)

Constructor (TDB Named Model)

Parameters:

dbDir - tdb directory name

modelName - the model to connect to

Method Detail

getDataSet

public com.hp.hpl.jena.query.Dataset getDataSet()

Description copied from class: JenaConnect

Get the dataset for this connection Can be very expensive when using RDB connections (SDB, TDB, and Mem are fine)

Specified by:

getDataSet in class JenaConnect

Returns:

the database connection's dataset

neighborConnectClone

public JenaConnect neighborConnectClone(java.lang.String modelName)

Description copied from class: JenaConnect

Factory (connects to the same jena triple store as another jena connect, but uses a different named model)

Specified by:

neighborConnectClone in class JenaConnect

Parameters:

modelName - the model name to use

Returns:

the new jenaconnect

close

public void close()

Description copied from class: JenaConnect

Closes the model and the jdbc connection

Specified by:

close in class JenaConnect

truncate

public void truncate()

Description copied from class: JenaConnect

Remove all statements from model

Specified by:

truncate in class JenaConnect

printParameters

public void printParameters()

Description copied from class: JenaConnect

Output the jena model information

Overrides:

printParameters in class JenaConnect