Class SparqlValueExprRenderer

java.lang.Object

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

org.eclipse.rdf4j.queryrender.sparql.SparqlValueExprRenderer

All Implemented Interfaces:

QueryModelVisitor<Exception>

final class SparqlValueExprRenderer
extends AbstractQueryModelVisitor<Exception>

Renders a ValueExpr into SPARQL syntax.

Field Summary

Fields

Modifier and Type	Field	Description
private StringBuffer	mBuffer	The current rendered value

Constructor Summary

Constructors

Constructor	Description
SparqlValueExprRenderer()

Method Summary

Modifier and Type	Method	Description
private void	binaryMeet(String theOpStr, BinaryValueOperator theOp)
private String	knownFunctionsUriReduction(String functionUri)
void	meet(And theAnd)
void	meet(BNodeGenerator theGen)
void	meet(Bound theOp)
void	meet(Compare theOp)
void	meet(CompareAll theOp)
void	meet(CompareAny theOp)
void	meet(Count theOp)
void	meet(Datatype theOp)
void	meet(Exists theOp)
void	meet(FunctionCall theOp)
void	meet(In theOp)
void	meet(IRIFunction theOp)
void	meet(IsBNode theOp)
void	meet(IsLiteral theOp)
void	meet(IsNumeric theOp)
void	meet(IsResource theOp)
void	meet(IsURI theOp)
void	meet(Label theOp)
void	meet(Lang theOp)
void	meet(LangMatches theOp)
void	meet(LocalName theOp)
void	meet(MathExpr theOp)
void	meet(Max theOp)
void	meet(Min theOp)
void	meet(Namespace theOp)
void	meet(Not theNot)
void	meet(Or theOr)
void	meet(Regex theOp)
void	meet(SameTerm theOp)
void	meet(Str theOp)
void	meet(ValueConstant theVal)
void	meet(Var theVar)
String	render(ValueExpr theExpr)	Return the rendering of the ValueExpr object
private String	renderTupleExpr(TupleExpr theExpr)	Renders the tuple expression as a query string.
void	reset()	Reset the state of this renderer
private void	unaryMeet(String theOpStr, UnaryValueOperator theOp)

Methods inherited from class 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, meetBinaryTupleOperator, meetBinaryValueOperator, meetCompareSubQueryValueOperator, meetNAryValueOperator, meetNode, meetOther, meetSubQueryValueOperator, meetUnaryTupleOperator, meetUnaryValueOperator, meetUpdateExpr

Methods inherited from class Object

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

Field Details

mBuffer

private StringBuffer mBuffer

The current rendered value

Constructor Details

SparqlValueExprRenderer

SparqlValueExprRenderer()

Method Details

reset

public void reset()

Reset the state of this renderer

render

public String render(ValueExpr theExpr)
              throws Exception

Return the rendering of the ValueExpr object

Parameters:

theExpr - the expression to render

Returns:

the rendering

Throws:

Exception - if there is an error while rendering

meet

public void meet(Bound theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Var theVar)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(BNodeGenerator theGen)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(MathExpr theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Compare theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Exists theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(In theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

renderTupleExpr

private String renderTupleExpr(TupleExpr theExpr)
                        throws Exception

Renders the tuple expression as a query string.

Parameters:

theExpr - the expr to render

Returns:

the rendered expression

Throws:

Exception - if there is an error while rendering

meet

public void meet(CompareAll theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(ValueConstant theVal)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(FunctionCall theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(CompareAny theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Regex theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(LangMatches theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(SameTerm theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(And theAnd)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Or theOr)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Not theNot)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Count theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Datatype theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(IsBNode theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(IsLiteral theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(IsNumeric theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(IsResource theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(IsURI theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(IRIFunction theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Label theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Lang theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(LocalName theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Min theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Max theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Namespace theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Str theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

binaryMeet

private void binaryMeet(String theOpStr,
 BinaryValueOperator theOp)
                 throws Exception

Throws:

Exception

unaryMeet

private void unaryMeet(String theOpStr,
 UnaryValueOperator theOp)
                throws Exception

Throws:

Exception

knownFunctionsUriReduction

private String knownFunctionsUriReduction(String functionUri)