Package org.eclipse.rdf4j.queryrender.sparql.experimental

Class SparqlQueryRenderer

java.lang.Object

org.eclipse.rdf4j.query.algebra.helpers.AbstractQueryModelVisitor<Exception>

org.eclipse.rdf4j.queryrender.BaseTupleExprRenderer

org.eclipse.rdf4j.queryrender.sparql.experimental.SparqlQueryRenderer

All Implemented Interfaces:

QueryModelVisitor<Exception>, QueryRenderer

@Experimental
public class SparqlQueryRenderer
extends BaseTupleExprRenderer
implements QueryRenderer

An alternative implementation of the SPARQL query renderer (more complete than the default SPARQLQueryRenderer)

Author:

Andriy Nikolov, Jeen Broekstra, Andreas Schwarte

Field Summary

Fields inherited from class org.eclipse.rdf4j.queryrender.BaseTupleExprRenderer

mDistinct, mExtensions, mLimit, mOffset, mOrdering, mProjection, mReduced

Constructor Summary

Constructors

Constructor	Description
SparqlQueryRenderer()

Method Summary

Modifier and Type	Method	Description
QueryLanguage	getLanguage()	Return the language this QueryRenderer will render queries in.
String	render(TupleExpr theExpr)	Render the TupleExpr as a query or query fragment depending on what kind of TupleExpr it is
String	render(ParsedOperation theOperation)
String	render(ParsedQuery theQuery)	Render the ParsedQuery as a query string
String	renderValueExpr(ValueExpr theExpr)	Render the given ValueExpr

Methods inherited from class org.eclipse.rdf4j.queryrender.BaseTupleExprRenderer

getExtensions, getLimit, getOffset, getOrdering, getProjection, isDistinct, isReduced, isSelect, isSPOElemList, meet, meet, meet, meet, meet, meet, meet, reset, scrubVarName, toStatementPattern

Methods inherited from class org.eclipse.rdf4j.query.algebra.helpers.AbstractQueryModelVisitor

meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meetBinaryTupleOperator, meetBinaryValueOperator, meetCompareSubQueryValueOperator, meetNAryValueOperator, meetNode, meetOther, meetSubQueryValueOperator, meetUnaryTupleOperator, meetUnaryValueOperator, meetUpdateExpr

Methods inherited from class java.lang.Object

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

Constructor Details

SparqlQueryRenderer

public SparqlQueryRenderer()

Method Details

getLanguage

public QueryLanguage getLanguage()

Description copied from interface: QueryRenderer

Return the language this QueryRenderer will render queries in.

Specified by:

getLanguage in interface QueryRenderer

Returns:

the query language

render

public String render(ParsedQuery theQuery)
              throws Exception

Description copied from class: BaseTupleExprRenderer

Render the ParsedQuery as a query string

Specified by:

render in interface QueryRenderer

Overrides:

render in class BaseTupleExprRenderer

Parameters:

theQuery - the parsed query to render

Returns:

the query object rendered in the query language syntax

Throws:

Exception - if there is an error while rendering

render

public String render(ParsedOperation theOperation)
              throws Exception

Throws:

Exception

render

public String render(TupleExpr theExpr)
              throws Exception

Description copied from class: BaseTupleExprRenderer

Render the TupleExpr as a query or query fragment depending on what kind of TupleExpr it is

Specified by:

render in class BaseTupleExprRenderer

Parameters:

theExpr - the expression to render

Returns:

the TupleExpr rendered in the query language syntax

Throws:

Exception - if there is an error while rendering

renderValueExpr

public String renderValueExpr(ValueExpr theExpr)
                       throws Exception

Description copied from class: BaseTupleExprRenderer

Render the given ValueExpr

Specified by:

renderValueExpr in class BaseTupleExprRenderer

Parameters:

theExpr - the expr to render

Returns:

the rendered expression

Throws:

Exception - if there is an error while rendering