org.eclipse.rdf4j.queryrender.sparql

Class SparqlTupleExprRenderer

java.lang.Object

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

org.eclipse.rdf4j.queryrender.BaseTupleExprRenderer

org.eclipse.rdf4j.queryrender.sparql.SparqlTupleExprRenderer

All Implemented Interfaces:

QueryModelVisitor<Exception>

public final class SparqlTupleExprRenderer
extends BaseTupleExprRenderer

Extends the BaseTupleExprRenderer to provide support for rendering tuple expressions as SPARQL queries.

Author:

Michael Grove

Field Summary

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

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

Constructor Summary

Constructors

Constructor and Description
SparqlTupleExprRenderer()

Method Summary

Modifier and Type	Method and Description
void	meet(Difference theOp)
void	meet(Filter theFilter)
void	meet(Intersection theOp)
void	meet(Join theJoin)
void	meet(LeftJoin theJoin)
void	meet(StatementPattern thePattern)
void	meet(Union theOp)
String	render(TupleExpr theExpr) Render the TupleExpr as a query or query fragment depending on what kind of TupleExpr it is
protected String	renderValueExpr(ValueExpr theExpr) Render the given ValueExpr
void	reset() Reset the state of the renderer

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

getExtensions, getLimit, getOffset, getOrdering, getProjection, isDistinct, isReduced, isSelect, isSPOElemList, meet, meet, meet, meet, meet, meet, render, 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, 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 Detail

SparqlTupleExprRenderer

public SparqlTupleExprRenderer()

Method Detail

reset

public void reset()

Description copied from class: BaseTupleExprRenderer

Reset the state of the renderer

Overrides:

reset in class BaseTupleExprRenderer

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 serql syntax

Throws:

Exception - if there is an error while rendering

renderValueExpr

protected 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

meet

public void meet(Join theJoin)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(LeftJoin theJoin)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Union theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Difference theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Intersection theOp)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(Filter theFilter)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class AbstractQueryModelVisitor<Exception>

Throws:

Exception

meet

public void meet(StatementPattern thePattern)
          throws Exception

Specified by:

meet in interface QueryModelVisitor<Exception>

Overrides:

meet in class BaseTupleExprRenderer

Throws:

Exception