virtuoso.jena.driver

Class VirtDataset

java.lang.Object

com.hp.hpl.jena.graph.impl.GraphBase

virtuoso.jena.driver.VirtGraph

virtuoso.jena.driver.VirtDataset

All Implemented Interfaces:

com.hp.hpl.jena.graph.Graph, com.hp.hpl.jena.graph.GraphAdd, com.hp.hpl.jena.graph.impl.GraphWithPerform, com.hp.hpl.jena.query.Dataset

public class VirtDataset
extends VirtGraph
implements com.hp.hpl.jena.query.Dataset

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	VirtDataset.VirtDataSetGraph

Field Summary

Fields inherited from class virtuoso.jena.driver.VirtGraph

DEFAULT

Fields inherited from class com.hp.hpl.jena.graph.impl.GraphBase

TOSTRING_TRIPLE_BASE, TOSTRING_TRIPLE_LIMIT

Fields inherited from interface com.hp.hpl.jena.graph.Graph

emptyGraph

Constructor Summary

Constructors

Constructor and Description
VirtDataset()
VirtDataset(javax.sql.ConnectionPoolDataSource _ds)
VirtDataset(javax.sql.DataSource _ds)
VirtDataset(java.lang.String _graphName, javax.sql.ConnectionPoolDataSource _ds)
VirtDataset(java.lang.String _graphName, javax.sql.DataSource _ds)
VirtDataset(java.lang.String url_hostlist, java.lang.String user, java.lang.String password)
VirtDataset(java.lang.String _graphName, javax.sql.XADataSource _ds)
VirtDataset(javax.sql.XADataSource _ds)

Method Summary

Methods

Modifier and Type	Method and Description
void	abort() Abort a transaction - finish the transaction and undo any changes (if a "write" transaction)
void	addNamedModel(java.lang.String name, com.hp.hpl.jena.rdf.model.Model model) Set a named graph.
void	addNamedModel(java.lang.String name, com.hp.hpl.jena.rdf.model.Model model, boolean checkExists) Set a named graph.
com.hp.hpl.jena.sparql.core.DatasetGraph	asDatasetGraph() Get the dataset in graph form
void	begin(com.hp.hpl.jena.query.ReadWrite readWrite) Start either a READ or WRITE transaction
void	commit() Commit a transaction - finish the transaction and make any changes permanent (if a "write" transaction)
boolean	containsNamedModel(java.lang.String name) Does the dataset contain a model with the name supplied?
void	end() Finish the transaction - if a write transaction and commit() has not been called, then abort
com.hp.hpl.jena.sparql.util.Context	getContext()
com.hp.hpl.jena.rdf.model.Model	getDefaultModel() Get the default graph as a Jena Model
com.hp.hpl.jena.shared.Lock	getLock() Get the lock for this dataset
com.hp.hpl.jena.rdf.model.Model	getNamedModel(java.lang.String name) Get a graph by name as a Jena Model
boolean	isInTransaction() Say whether a transaction is active
java.util.Iterator<java.lang.String>	listNames() List the names
void	removeNamedModel(java.lang.String name) Remove a named graph.
void	replaceNamedModel(java.lang.String name, com.hp.hpl.jena.rdf.model.Model model) Change a named graph for another uisng the same name
void	setDefaultModel(com.hp.hpl.jena.rdf.model.Model model) Set the background graph.
boolean	supportsTransactions()
boolean	supportsXATransactions()

Methods inherited from class virtuoso.jena.driver.VirtGraph

clear, clear, close, createRuleSet, getBulkUpdateHandler, getConnection, getCount, getDataSource, getFetchSize, getGraphName, getGraphPassword, getGraphUrl, getGraphUser, getPrefixMapping, getQueryTimeout, getReadFromAllGraphs, getRuleSet, getSameAs, getTransactionHandler, getXAResource, graphBaseFind, Node2Str, Object2Node, performAdd, performDelete, read, reifierSize, reifierTriples, remove, remove, removeRuleSet, setFetchSize, setQueryTimeout, setReadFromAllGraphs, setRuleSet, setSameAs

Methods inherited from class com.hp.hpl.jena.graph.impl.GraphBase

add, contains, contains, delete, dependsOn, find, find, forTestingOnly_graphBaseFind, getCapabilities, getEventManager, getStatisticsHandler, isClosed, isEmpty, isIsomorphicWith, notifyAdd, notifyDelete, remove, size, toString, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.hp.hpl.jena.query.Dataset

close

Constructor Detail

VirtDataset

public VirtDataset()

VirtDataset

public VirtDataset(java.lang.String _graphName,
           javax.sql.DataSource _ds)

VirtDataset

public VirtDataset(javax.sql.DataSource _ds)

VirtDataset

public VirtDataset(java.lang.String _graphName,
           javax.sql.ConnectionPoolDataSource _ds)

VirtDataset

public VirtDataset(javax.sql.ConnectionPoolDataSource _ds)

VirtDataset

public VirtDataset(java.lang.String _graphName,
           javax.sql.XADataSource _ds)

VirtDataset

public VirtDataset(javax.sql.XADataSource _ds)

VirtDataset

public VirtDataset(java.lang.String url_hostlist,
           java.lang.String user,
           java.lang.String password)

Method Detail

getDefaultModel

public com.hp.hpl.jena.rdf.model.Model getDefaultModel()

Get the default graph as a Jena Model

Specified by:

getDefaultModel in interface com.hp.hpl.jena.query.Dataset

setDefaultModel

public void setDefaultModel(com.hp.hpl.jena.rdf.model.Model model)

Set the background graph. Can be set to null for none.

Specified by:

setDefaultModel in interface com.hp.hpl.jena.query.Dataset

getNamedModel

public com.hp.hpl.jena.rdf.model.Model getNamedModel(java.lang.String name)

Get a graph by name as a Jena Model

Specified by:

getNamedModel in interface com.hp.hpl.jena.query.Dataset

containsNamedModel

public boolean containsNamedModel(java.lang.String name)

Does the dataset contain a model with the name supplied?

Specified by:

containsNamedModel in interface com.hp.hpl.jena.query.Dataset

addNamedModel

public void addNamedModel(java.lang.String name,
                 com.hp.hpl.jena.rdf.model.Model model,
                 boolean checkExists)
                   throws com.hp.hpl.jena.query.LabelExistsException

Set a named graph.

Throws:

com.hp.hpl.jena.query.LabelExistsException

addNamedModel

public void addNamedModel(java.lang.String name,
                 com.hp.hpl.jena.rdf.model.Model model)
                   throws com.hp.hpl.jena.query.LabelExistsException

Set a named graph.

Specified by:

addNamedModel in interface com.hp.hpl.jena.query.Dataset

Throws:

com.hp.hpl.jena.query.LabelExistsException

removeNamedModel

public void removeNamedModel(java.lang.String name)

Remove a named graph.

Specified by:

removeNamedModel in interface com.hp.hpl.jena.query.Dataset

replaceNamedModel

public void replaceNamedModel(java.lang.String name,
                     com.hp.hpl.jena.rdf.model.Model model)

Change a named graph for another uisng the same name

Specified by:

replaceNamedModel in interface com.hp.hpl.jena.query.Dataset

listNames

public java.util.Iterator<java.lang.String> listNames()

List the names

Specified by:

listNames in interface com.hp.hpl.jena.query.Dataset

getLock

public com.hp.hpl.jena.shared.Lock getLock()

Get the lock for this dataset

Specified by:

getLock in interface com.hp.hpl.jena.query.Dataset

getContext

public com.hp.hpl.jena.sparql.util.Context getContext()

Specified by:

getContext in interface com.hp.hpl.jena.query.Dataset

supportsTransactions

public boolean supportsTransactions()

Specified by:

supportsTransactions in interface com.hp.hpl.jena.query.Dataset

supportsXATransactions

public boolean supportsXATransactions()

begin

public void begin(com.hp.hpl.jena.query.ReadWrite readWrite)

Start either a READ or WRITE transaction

Specified by:

begin in interface com.hp.hpl.jena.query.Dataset

commit

public void commit()

Commit a transaction - finish the transaction and make any changes permanent (if a "write" transaction)

Specified by:

commit in interface com.hp.hpl.jena.query.Dataset

abort

public void abort()

Abort a transaction - finish the transaction and undo any changes (if a "write" transaction)

Specified by:

abort in interface com.hp.hpl.jena.query.Dataset

isInTransaction

public boolean isInTransaction()

Say whether a transaction is active

Specified by:

isInTransaction in interface com.hp.hpl.jena.query.Dataset

end

public void end()

Finish the transaction - if a write transaction and commit() has not been called, then abort

Specified by:

end in interface com.hp.hpl.jena.query.Dataset

asDatasetGraph

public com.hp.hpl.jena.sparql.core.DatasetGraph asDatasetGraph()

Get the dataset in graph form

Specified by:

asDatasetGraph in interface com.hp.hpl.jena.query.Dataset