Class PreprocessedQuerySerializer

java.lang.Object

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

org.eclipse.rdf4j.queryrender.sparql.experimental.PreprocessedQuerySerializer

All Implemented Interfaces:

QueryModelVisitor<RuntimeException>

class PreprocessedQuerySerializer
extends AbstractQueryModelVisitor<RuntimeException>

This class processes a SerializableParsedTupleQuery and renders it as a SPARQL string.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static enum	PreprocessedQuerySerializer.NonIriFunctions	Enumeration of standard SPARQL 1.1 functions that are neither recognized by RDF4J as special value expressions nor defined as IRI functions in the fn: namespace (see FNFunction).

Field Summary

Fields

Modifier and Type	Field	Description
protected StringBuilder	builder
private AbstractSerializableParsedQuery	currentQueryProfile
private SerializableParsedUpdate	currentUpdate
private boolean	insideFunction
private final Map<Projection, SerializableParsedTupleQuery>	queriesByProjection
private final Map<AbstractSerializableParsedQuery, Set<String>>	renderedExtensionElements

Constructor Summary

Constructors

Constructor	Description
PreprocessedQuerySerializer()

Method Summary

Modifier and Type	Method	Description
protected String	getFunctionNameAsString(FunctionCall expr)
protected boolean	isExtensionElemAlreadyRendered(ExtensionElem element)
private boolean	isTautologicalExtensionElem(ExtensionElem val)	A special case check: we project a variable from a subquery that has the same name We must avoid writing SELECT (?x as ?x) WHERE { { SELECT ?x WHERE { ...
void	meet(Value node)
void	meet(Add node)
void	meet(And node)
void	meet(ArbitraryLengthPath node)
void	meet(Avg node)
void	meet(BindingSetAssignment node)
void	meet(BNodeGenerator node)
void	meet(Bound node)
void	meet(Clear clear)
void	meet(Coalesce node)
void	meet(Compare node)
void	meet(CompareAll node)
void	meet(CompareAny node)
void	meet(Copy node)
void	meet(Count node)
void	meet(Create create)
void	meet(Datatype node)
void	meet(DeleteData deleteData)
void	meet(Difference node)
void	meet(Distinct node)
void	meet(EmptySet node)
void	meet(Exists node)
void	meet(Extension node)
void	meet(ExtensionElem node)
void	meet(Filter node)
void	meet(FunctionCall node)
void	meet(Group node)
void	meet(GroupConcat node)
void	meet(GroupElem node)
void	meet(If node)
void	meet(In node)
void	meet(InsertData insertData)
void	meet(Intersection node)
void	meet(IRIFunction node)
void	meet(IsBNode node)
void	meet(IsLiteral node)
void	meet(IsNumeric node)
void	meet(IsResource node)
void	meet(IsURI node)
void	meet(Join node)
void	meet(Label node)
void	meet(Lang node)
void	meet(LangMatches node)
void	meet(LeftJoin node)
void	meet(ListMemberOperator node)
void	meet(Load load)
void	meet(LocalName node)
void	meet(MathExpr node)
void	meet(Max node)
void	meet(Min node)
void	meet(Modify modify)
void	meet(Move node)
void	meet(MultiProjection node)
void	meet(Namespace node)
void	meet(Not node)
void	meet(Or node)
void	meet(Order node)
void	meet(OrderElem node)
void	meet(Projection node)
void	meet(ProjectionElem node)
void	meet(ProjectionElemList node)
void	meet(QueryRoot node)
void	meet(Reduced node)
void	meet(Regex node)
void	meet(SameTerm node)
void	meet(Sample node)
void	meet(Service node)
void	meet(SingletonSet node)
void	meet(Slice node)
void	meet(StatementPattern node)
void	meet(Str node)
void	meet(Sum node)
void	meet(Union node)
void	meet(ValueConstant node)
void	meet(Var node)
void	meet(ZeroLengthPath node)
protected void	meetUpdateDataBlock(String dataBlock)
void	meetWhereClause(TupleExpr whereClause)	Serializes the TupleExpr serving as a WHERE clause of the query.
private void	processBooleanQuery(SerializableParsedBooleanQuery query)
private void	processConstructQuery(SerializableParsedConstructQuery query)
private void	processDatasetClause(Dataset dataset)
private void	processDescribeQuery(SerializableParsedConstructQuery query)
private void	processTupleQuery(SerializableParsedTupleQuery query)
private void	processUpdate(SerializableParsedUpdate update)
String	serialize(SerializableParsedBooleanQuery query)	Serializes a SerializableParsedBooleanQuery passed as an input.
String	serialize(SerializableParsedConstructQuery query)
String	serialize(SerializableParsedTupleQuery query)	Serializes a SerializableParsedTupleQuery passed as an input.
String	serialize(SerializableParsedUpdate update)
protected void	setExtensionElemAlreadyRendered(ExtensionElem element)
private void	writeAsAggregationFunction(String name, ValueExpr arg, boolean distinct)
private void	writeAsFunction(String name, List<ValueExpr> args)
private void	writeAsFunction(String name, ValueExpr arg)
private void	writeLimit(Slice node)

Methods inherited from class AbstractQueryModelVisitor

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

queriesByProjection

private final Map<Projection, SerializableParsedTupleQuery> queriesByProjection

currentQueryProfile

private AbstractSerializableParsedQuery currentQueryProfile

currentUpdate

private SerializableParsedUpdate currentUpdate

builder

protected StringBuilder builder

renderedExtensionElements

private final Map<AbstractSerializableParsedQuery, Set<String>> renderedExtensionElements

insideFunction

private boolean insideFunction

Constructor Details

PreprocessedQuerySerializer

public PreprocessedQuerySerializer()

Method Details

serialize

public String serialize(SerializableParsedTupleQuery query)

Serializes a SerializableParsedTupleQuery passed as an input.

Parameters:

query - a parsed tuple query previously produced by ParsedQueryPreprocessor

Returns:

string SPARQL serialization of the query

serialize

public String serialize(SerializableParsedBooleanQuery query)

Serializes a SerializableParsedBooleanQuery passed as an input.

Parameters:

query - a parsed tuple query previously produced by ParsedQueryPreprocessor

Returns:

string SPARQL serialization of the query

serialize

public String serialize(SerializableParsedConstructQuery query)

serialize

public String serialize(SerializableParsedUpdate update)

processDatasetClause

private void processDatasetClause(Dataset dataset)

processBooleanQuery

private void processBooleanQuery(SerializableParsedBooleanQuery query)

processDescribeQuery

private void processDescribeQuery(SerializableParsedConstructQuery query)

processConstructQuery

private void processConstructQuery(SerializableParsedConstructQuery query)

processUpdate

private void processUpdate(SerializableParsedUpdate update)

processTupleQuery

private void processTupleQuery(SerializableParsedTupleQuery query)

meetWhereClause

public void meetWhereClause(TupleExpr whereClause)

Serializes the TupleExpr serving as a WHERE clause of the query.

Parameters:

whereClause - a TupleExpr representing a WHERE clause

meet

public void meet(QueryRoot node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Add node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(And node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(ArbitraryLengthPath node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Avg node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Value node)

meet

public void meet(BindingSetAssignment node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(BNodeGenerator node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Bound node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Clear clear)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Coalesce node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Compare node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(CompareAll node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(CompareAny node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Copy node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Count node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Create create)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Datatype node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(DeleteData deleteData)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Difference node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Distinct node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(EmptySet node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Exists node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Extension node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

isExtensionElemAlreadyRendered

protected boolean isExtensionElemAlreadyRendered(ExtensionElem element)

setExtensionElemAlreadyRendered

protected void setExtensionElemAlreadyRendered(ExtensionElem element)

meet

public void meet(ExtensionElem node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Filter node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(FunctionCall node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Group node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(GroupConcat node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(GroupElem node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(If node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(In node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(InsertData insertData)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meetUpdateDataBlock

protected void meetUpdateDataBlock(String dataBlock)
                            throws RuntimeException

Throws:

RuntimeException

meet

public void meet(Intersection node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(IRIFunction node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(IsBNode node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(IsLiteral node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(IsNumeric node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(IsResource node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(IsURI node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Join node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Label node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Lang node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(LangMatches node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(LeftJoin node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(ListMemberOperator node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Load load)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(LocalName node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(MathExpr node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Max node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Min node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Modify modify)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Move node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(MultiProjection node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Namespace node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Not node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Or node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Order node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(OrderElem node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Projection node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(ProjectionElem node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(ProjectionElemList node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Reduced node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Regex node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(SameTerm node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Sample node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Service node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(SingletonSet node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Slice node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(StatementPattern node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Str node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Sum node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Union node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(ValueConstant node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Var node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

meet

public void meet(ZeroLengthPath node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractQueryModelVisitor<RuntimeException>

Throws:

RuntimeException

isTautologicalExtensionElem

private boolean isTautologicalExtensionElem(ExtensionElem val)

A special case check: we project a variable from a subquery that has the same name We must avoid writing SELECT (?x as ?x) WHERE { { SELECT ?x WHERE { ... } } }

writeAsFunction

private void writeAsFunction(String name,
 ValueExpr arg)

writeAsFunction

private void writeAsFunction(String name,
 List<ValueExpr> args)

writeLimit

private void writeLimit(Slice node)
                 throws RuntimeException

Throws:

RuntimeException

writeAsAggregationFunction

private void writeAsAggregationFunction(String name,
 ValueExpr arg,
 boolean distinct)

getFunctionNameAsString

protected String getFunctionNameAsString(FunctionCall expr)