org.vivoweb.harvester.util.repo
Class RDBJenaConnect

java.lang.Object
  org.vivoweb.harvester.util.repo.JenaConnect
      org.vivoweb.harvester.util.repo.DBJenaConnect
          org.vivoweb.harvester.util.repo.RDBJenaConnect

public class RDBJenaConnect
extends DBJenaConnect

Connection Helper for RDB Jena Models

Author:

Christopher Haines (hainesc@ctrip.ufl.edu)

Field Summary

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

formatSymbols

Constructor Summary

RDBJenaConnect(java.lang.String dbUrl, java.lang.String dbUser, java.lang.String dbPass, java.lang.String dbType, java.lang.String dbClass)
Constructor (Default Model)

RDBJenaConnect(java.lang.String dbUrl, java.lang.String dbUser, java.lang.String dbPass, java.lang.String dbType, java.lang.String dbClass, java.lang.String modelName)
Constructor (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.DBJenaConnect

buildConnection, getDbType

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

RDBJenaConnect

public RDBJenaConnect(java.lang.String dbUrl,
                      java.lang.String dbUser,
                      java.lang.String dbPass,
                      java.lang.String dbType,
                      java.lang.String dbClass)
               throws java.io.IOException

Constructor (Default Model)

Parameters:

dbUrl - jdbc connection url

dbUser - username to use

dbPass - password to use

dbType - database type ex:"MySQL"

dbClass - jdbc driver class

Throws:

java.io.IOException - error connecting

RDBJenaConnect

public RDBJenaConnect(java.lang.String dbUrl,
                      java.lang.String dbUser,
                      java.lang.String dbPass,
                      java.lang.String dbType,
                      java.lang.String dbClass,
                      java.lang.String modelName)
               throws java.io.IOException

Constructor (Named Model)

Parameters:

dbUrl - jdbc connection url

dbUser - username to use

dbPass - password to use

dbType - database type ex:"MySQL"

dbClass - jdbc driver class

modelName - the model to connect to

Throws:

java.io.IOException - error connecting

Method Detail

close

public void close()

Description copied from class: JenaConnect

Closes the model and the jdbc connection

Specified by:

close in class JenaConnect

neighborConnectClone

public JenaConnect neighborConnectClone(java.lang.String modelName)
                                 throws java.io.IOException

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

Throws:

java.io.IOException - unable to secure db connection

truncate

public void truncate()

Description copied from class: JenaConnect

Remove all statements from model

Specified by:

truncate in class JenaConnect

getDataSet

public com.hp.hpl.jena.query.Dataset getDataSet()
                                         throws java.io.IOException

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

Throws:

java.io.IOException - error connecting

printParameters

public void printParameters()

Description copied from class: JenaConnect

Output the jena model information

Overrides:

printParameters in class DBJenaConnect