Package org.eclipse.lyo.store.internals.query

Class DatasetQueryExecutorImpl

java.lang.Object

org.eclipse.lyo.store.internals.query.DatasetQueryExecutorImpl

All Implemented Interfaces:

JenaQueryExecutor

public class DatasetQueryExecutorImpl
extends Object
implements JenaQueryExecutor

DatasetQueryExecutorImpl is a work-in-progress implementation of in-memory and on-disk store implementation via SparqlStoreImpl.

Since:

0.14.0

Version:

$version-stub$

Author:

Andrew Berezovskyi (andriib@kth.se)

Constructor Summary

Constructors

Constructor	Description
DatasetQueryExecutorImpl()	Use StoreFactory instead.
DatasetQueryExecutorImpl(Dataset dataset)

Method Summary

Modifier and Type	Method	Description
void	beginRead()
void	beginWrite()
void	commit()
void	end()
QueryExecution	prepareSparqlQuery(String query)	Prepares a SPARQL Query executor (read-only).
UpdateProcessor	prepareSparqlUpdate(String query)	Prepares a SPARQL Update processor (write-only).
UpdateProcessor	prepareSparqlUpdate(Update update)	Prepares a SPARQL Update processor (write-only).
UpdateProcessor	prepareSparqlUpdate(UpdateRequest updateRequest)	Prepares a SPARQL Update processor (write-only).
void	release()	Release a connection to the underlying engine

Methods inherited from class java.lang.Object

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

Constructor Details

DatasetQueryExecutorImpl

public DatasetQueryExecutorImpl()

Use StoreFactory instead.

DatasetQueryExecutorImpl

public DatasetQueryExecutorImpl(Dataset dataset)

Method Details

prepareSparqlQuery

public QueryExecution prepareSparqlQuery(String query)

Description copied from interface: JenaQueryExecutor

Prepares a SPARQL Query executor (read-only).

Specified by:

prepareSparqlQuery in interface JenaQueryExecutor

Parameters:

query - SPARQL query string

Returns:

prepared executor

prepareSparqlUpdate

public UpdateProcessor prepareSparqlUpdate(UpdateRequest updateRequest)

Description copied from interface: JenaQueryExecutor

Prepares a SPARQL Update processor (write-only).

Specified by:

prepareSparqlUpdate in interface JenaQueryExecutor

Returns:

prepared processor

prepareSparqlUpdate

public UpdateProcessor prepareSparqlUpdate(Update update)

Description copied from interface: JenaQueryExecutor

Prepares a SPARQL Update processor (write-only).

Specified by:

prepareSparqlUpdate in interface JenaQueryExecutor

Returns:

prepared processor

prepareSparqlUpdate

public UpdateProcessor prepareSparqlUpdate(String query)

Description copied from interface: JenaQueryExecutor

Prepares a SPARQL Update processor (write-only).

Specified by:

prepareSparqlUpdate in interface JenaQueryExecutor

Parameters:

query - SPARQL query string

Returns:

prepared processor

release

public void release()

Description copied from interface: JenaQueryExecutor

Release a connection to the underlying engine

Specified by:

release in interface JenaQueryExecutor

beginWrite

public void beginWrite()

Specified by:

beginWrite in interface JenaQueryExecutor

beginRead

public void beginRead()

Specified by:

beginRead in interface JenaQueryExecutor

commit

public void commit()

Specified by:

commit in interface JenaQueryExecutor

end

public void end()

Specified by:

end in interface JenaQueryExecutor