com.bigdata.rdf.sparql.ast.service.storedquery

Class SimpleStoredQueryService

java.lang.Object

com.bigdata.rdf.sparql.ast.eval.AbstractServiceFactoryBase

com.bigdata.rdf.sparql.ast.service.storedquery.StoredQueryService

com.bigdata.rdf.sparql.ast.service.storedquery.SimpleStoredQueryService

All Implemented Interfaces:

ServiceFactory

public abstract class SimpleStoredQueryService
extends StoredQueryService

Simple stored query consisting of a parameterized SPARQL query.

Author:

Bryan Thompson

Nested Class Summary

Nested classes/interfaces inherited from class com.bigdata.rdf.sparql.ast.service.storedquery.StoredQueryService

StoredQueryService.Options

Constructor Summary

Constructors

Constructor and Description
SimpleStoredQueryService()

Method Summary

Methods

Modifier and Type	Method and Description
protected org.openrdf.query.TupleQueryResult	doQuery(BigdataSailRepositoryConnection cxn, ServiceCallCreateParams createParams, ServiceParams serviceParams) Executes the SPARQL query returned by getQuery(ServiceCallCreateParams, ServiceParams)
protected abstract String	getQuery(ServiceCallCreateParams createParams, ServiceParams serviceParams) Return the SPARQL query to be evaluated.

Methods inherited from class com.bigdata.rdf.sparql.ast.service.storedquery.StoredQueryService

create, create, getServiceOptions

Methods inherited from class com.bigdata.rdf.sparql.ast.eval.AbstractServiceFactoryBase

getDesiredBound, getRequiredBound

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleStoredQueryService

public SimpleStoredQueryService()

Method Detail

getQuery

protected abstract String getQuery(ServiceCallCreateParams createParams,
              ServiceParams serviceParams)

Return the SPARQL query to be evaluated.

doQuery

protected org.openrdf.query.TupleQueryResult doQuery(BigdataSailRepositoryConnection cxn,
                                         ServiceCallCreateParams createParams,
                                         ServiceParams serviceParams)
                                              throws Exception

Executes the SPARQL query returned by getQuery(ServiceCallCreateParams, ServiceParams)

Specified by:

doQuery in class StoredQueryService

Parameters:

cxn - The connection that should be used to read on the SPARQL database. The connection will be closed by the caller.

createParams - The SERVICE creation parameters.

serviceParams - The SERVICE invocation parameters.

Returns:

The solution multi-set.

Throws:

Exception