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From Hasan Hasan <ha...@trialox.org>
Subject Re: svn commit: r1516993 [2/2] - in /clerezza/trunk/rdf.core/src: main/java/org/apache/clerezza/rdf/core/sparql/ main/java/org/apache/clerezza/rdf/core/sparql/query/ main/java/org/apache/clerezza/rdf/core/sparql/query/impl/ main/javacc/org/apache/clerezza/...
Date Sun, 25 Aug 2013 08:08:14 GMT
Hi Reto, all,

Sorry for having forgotten to do a mvn compile before committing. Running
the test file successfully in netbeans seems to be insufficient.
The two errors are fixed now.

cheers
hasan

On Sat, Aug 24, 2013 at 12:08 PM, Reto Bachmann-Gmür <reto@wymiwyg.com>wrote:

> Hi Hasan
>
> I'm getting the followin compile error (on a fresh compile with empty
> maven repo):
>
> Failed to execute goal
> org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile
> (default-compile) on project rdf.core: Compilation failure: Compilation
> failure:
> C:\Users\Reto\projects\apache\clerezza\rdf.core\target\generated-sources\javacc\org\apache\clerezza\rdf\core\sparql\JavaCCGeneratedSparqlPreParser.java:[1227,25]
> error: cannot find symbol
>
> could not parse error message:   symbol:   method setSubSelect(SelectQuery)
> location: variable groupGraphPattern of type GroupGraphPattern
> C:\Users\Reto\projects\apache\clerezza\rdf.core\target\generated-sources\javacc\org\apache\clerezza\rdf\core\sparql\JavaCCGeneratedSparqlPreParser.java:2651:
> error: cannot find symbol
> {if (true) return addTriplePatterns(triplePatterns, nodes);}
>
>
> I assume this to be related to this commit. Could you have a look into it?
>
> Cheers,
> Reto
>
>
> On Fri, Aug 23, 2013 at 9:29 PM, <hasan@apache.org> wrote:
>
>> Modified:
>> clerezza/trunk/rdf.core/src/main/javacc/org/apache/clerezza/rdf/core/sparql/JavaCCGeneratedSparqlPreParser.jj
>> URL:
>> http://svn.apache.org/viewvc/clerezza/trunk/rdf.core/src/main/javacc/org/apache/clerezza/rdf/core/sparql/JavaCCGeneratedSparqlPreParser.jj?rev=1516993&r1=1516992&r2=1516993&view=diff
>>
>> ==============================================================================
>> ---
>> clerezza/trunk/rdf.core/src/main/javacc/org/apache/clerezza/rdf/core/sparql/JavaCCGeneratedSparqlPreParser.jj
>> (original)
>> +++
>> clerezza/trunk/rdf.core/src/main/javacc/org/apache/clerezza/rdf/core/sparql/JavaCCGeneratedSparqlPreParser.jj
>> Fri Aug 23 19:29:05 2013
>> @@ -49,18 +49,26 @@ import org.apache.clerezza.rdf.core.impl
>>  import org.apache.clerezza.rdf.core.impl.TypedLiteralImpl;
>>  import org.apache.clerezza.rdf.core.sparql.query.AlternativeGraphPattern;
>>  import org.apache.clerezza.rdf.core.sparql.query.BinaryOperation;
>> +import
>> org.apache.clerezza.rdf.core.sparql.query.BinaryPropertyPathOperation;
>>  import org.apache.clerezza.rdf.core.sparql.query.BuiltInCall;
>>  import org.apache.clerezza.rdf.core.sparql.query.Expression;
>>  import org.apache.clerezza.rdf.core.sparql.query.FunctionCall;
>>  import org.apache.clerezza.rdf.core.sparql.query.GroupGraphPattern;
>>  import org.apache.clerezza.rdf.core.sparql.query.InlineData;
>>  import org.apache.clerezza.rdf.core.sparql.query.LiteralExpression;
>> +import org.apache.clerezza.rdf.core.sparql.query.PredicatePath;
>> +import
>> org.apache.clerezza.rdf.core.sparql.query.PropertyPathExpressionOrVariable;
>> +import org.apache.clerezza.rdf.core.sparql.query.PropertyPathExpression;
>> +import org.apache.clerezza.rdf.core.sparql.query.PropertyPathPattern;
>> +import org.apache.clerezza.rdf.core.sparql.query.PropertySet;
>>  import org.apache.clerezza.rdf.core.sparql.query.Query;
>>  import org.apache.clerezza.rdf.core.sparql.query.ResourceOrVariable;
>>  import org.apache.clerezza.rdf.core.sparql.query.RhsListBinaryOperation;
>> +import org.apache.clerezza.rdf.core.sparql.query.SelectQuery;
>>  import org.apache.clerezza.rdf.core.sparql.query.SparqlUnit;
>>  import org.apache.clerezza.rdf.core.sparql.query.TriplePattern;
>>  import org.apache.clerezza.rdf.core.sparql.query.UnaryOperation;
>> +import
>> org.apache.clerezza.rdf.core.sparql.query.UnaryPropertyPathOperation;
>>  import org.apache.clerezza.rdf.core.sparql.query.UriRefExpression;
>>  import org.apache.clerezza.rdf.core.sparql.query.UriRefOrVariable;
>>  import org.apache.clerezza.rdf.core.sparql.query.Variable;
>> @@ -72,9 +80,11 @@ import org.apache.clerezza.rdf.core.spar
>>  import
>> org.apache.clerezza.rdf.core.sparql.query.impl.SimpleGroupGraphPattern;
>>  import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleInlineData;
>>  import
>> org.apache.clerezza.rdf.core.sparql.query.impl.SimpleOrderCondition;
>> +import
>> org.apache.clerezza.rdf.core.sparql.query.impl.SimplePropertyPathPattern;
>>  import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleQuery;
>>  import
>> org.apache.clerezza.rdf.core.sparql.query.impl.SimpleQueryWithSolutionModifier;
>>  import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleSelectQuery;
>> +import
>> org.apache.clerezza.rdf.core.sparql.query.impl.SimpleServiceGraphPattern;
>>  import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleSparqlUnit;
>>  import
>> org.apache.clerezza.rdf.core.sparql.query.impl.SimpleTriplePattern;
>>  import org.apache.clerezza.rdf.core.sparql.update.Update;
>> @@ -168,6 +178,46 @@ class JavaCCGeneratedSparqlPreParser {
>>          return v;
>>      }
>>
>> +    private void addPropertyPathPatterns(Set<PropertyPathPattern>
>> propertyPathPatterns,
>> +            ResourceOrVariable subject,
>> +            PropertyPathExpressionOrVariable propertyPathExpression,
>> +            Set<ResourceOrVariable> objects) {
>> +
>> +        for (ResourceOrVariable object : objects) {
>> +            propertyPathPatterns.add(
>> +                new SimplePropertyPathPattern(subject,
>> propertyPathExpression, object));
>> +        }
>> +    }
>> +
>> +    // nodes contain at least one element
>> +    private ResourceOrVariable
>> addPropertyPathPatterns(Set<PropertyPathPattern> propertyPathPatterns,
>> +            List<ResourceOrVariable> nodes) {
>> +
>> +        ResourceOrVariable head = null;
>> +        PropertyPathExpressionOrVariable rdfFirst = new
>> PropertyPathExpressionOrVariable(new PredicatePath(RDF_FIRST));
>> +        PropertyPathExpressionOrVariable rdfRest = new
>> PropertyPathExpressionOrVariable(new PredicatePath(RDF_REST));
>> +        UriRefOrVariable rdfNil = new UriRefOrVariable(RDF_NIL);
>> +
>> +        ResourceOrVariable prevSubject = null;
>> +        for (ResourceOrVariable node : nodes) {
>> +            ResourceOrVariable currentSubject = getNewBNode();
>> +            if (prevSubject != null) {
>> +                propertyPathPatterns.add(
>> +                    new SimplePropertyPathPattern(prevSubject, rdfRest,
>> currentSubject));
>> +            } else {
>> +                head = currentSubject;
>> +            }
>> +            propertyPathPatterns.add(
>> +                new SimplePropertyPathPattern(currentSubject, rdfFirst,
>> node));
>> +            prevSubject = currentSubject;
>> +        }
>> +        if (prevSubject != null) {
>> +            propertyPathPatterns.add(
>> +                new SimplePropertyPathPattern(prevSubject, rdfRest,
>> rdfNil));
>> +        }
>> +        return head;
>> +    }
>> +
>>      private void addTriplePatterns(Set<TriplePattern> triplePatterns,
>>              ResourceOrVariable subject,
>>              UriRefOrVariable predicate,
>> @@ -305,6 +355,9 @@ TOKEN [IGNORE_CASE] :
>>  |   < VALUES : "VALUES" >
>>  |   < UNDEF : "UNDEF" >
>>  |   < AS : "AS" >
>> +|   < BIND : "BIND" >
>> +|   < MINUS : "MINUS" >
>> +|   < SERVICE : "SERVICE" >
>>  |   < GROUP : "GROUP" >
>>  |   < HAVING : "HAVING" >
>>  |   < LOAD : "LOAD" >
>> @@ -409,11 +462,21 @@ private void PrefixDecl() : {
>>  private Query SelectQuery() : {
>>      Query query; } {
>>      query = SelectClause()
>> -    ( DatasetClause(query) )* {
>> +    ( DatasetClause(query) )*
>> +    WhereClause(query)
>> +    SolutionModifier(query) {
>>      return query; }
>>  }
>>
>>  /* [8]    SubSelect ::= SelectClause WhereClause SolutionModifier
>> ValuesClause */
>> +private Query SubSelect() : {
>> +    Query query; } {
>> +    query = SelectClause()
>> +    WhereClause(query)
>> +    SolutionModifier(query)
>> +    ValuesClause(query) {
>> +    return query; }
>> +}
>>
>>  /* [9]    SelectClause ::= 'SELECT' ( 'DISTINCT' | 'REDUCED' )? ( ( Var
>> | ( '(' Expression 'AS' Var ')' ) )+ | '*' ) */
>>  private Query SelectClause() : {
>> @@ -455,18 +518,30 @@ private Query SelectClause() : {
>>  /* [10]    ConstructQuery ::= 'CONSTRUCT' ( ConstructTemplate
>> DatasetClause* WhereClause SolutionModifier | DatasetClause* 'WHERE' '{'
>> TriplesTemplate? '}' SolutionModifier ) */
>>  private Query ConstructQuery() : {
>>      Query query;
>> -    Set<TriplePattern> triplePatterns = null; } {
>> +    Set<TriplePattern> triplePatterns = null;
>> +    GroupGraphPattern queryPattern; } {
>>
>>      <CONSTRUCT>
>>      (
>>          triplePatterns=ConstructTemplate() {
>>          query = new SimpleConstructQuery(triplePatterns); }
>>          ( DatasetClause(query) )*
>> +        WhereClause(query)
>>      |
>>          {
>>          query = new SimpleConstructQuery(triplePatterns); }
>>          ( DatasetClause(query) )*
>> -    ) {
>> +        <WHERE>
>> +        "{" {
>> +        queryPattern = new SimpleGroupGraphPattern(); }
>> +        (
>> +            triplePatterns=TriplesTemplate()
>> +        )? {
>> +        ((SimpleGroupGraphPattern)
>> queryPattern).addTriplePatterns(triplePatterns); }
>> +        "}" {
>> +        ((SimpleQuery) query).setQueryPattern(queryPattern); }
>> +    )
>> +    SolutionModifier(query) {
>>      return query; }
>>  }
>>
>> @@ -484,7 +559,9 @@ private Query DescribeQuery() : {
>>          "*" {
>>              ((SimpleDescribeQuery) query).setDescribeAll(); }
>>      )
>> -    ( DatasetClause(query) )* {
>> +    ( DatasetClause(query) )*
>> +    ( WhereClause(query) )?
>> +    SolutionModifier(query) {
>>      return query; }
>>  }
>>
>> @@ -494,7 +571,9 @@ private Query AskQuery() : {
>>
>>      <ASK> {
>>      query = new SimpleAskQuery(); }
>> -    ( DatasetClause(query) )* {
>> +    ( DatasetClause(query) )*
>> +    WhereClause(query)
>> +    SolutionModifier(query) {
>>      return query; }
>>  }
>>
>> @@ -527,20 +606,117 @@ private UriRef SourceSelector() : {
>>      return graph; }
>>  }
>>
>> -/*
>> -[17] WhereClause ::= 'WHERE'? GroupGraphPattern
>> -[18] SolutionModifier ::= GroupClause? HavingClause? OrderClause?
>> LimitOffsetClauses?
>> -[19] GroupClause ::= 'GROUP' 'BY' GroupCondition+
>> -[20] GroupCondition ::= BuiltInCall | FunctionCall | '(' Expression (
>> 'AS' Var )? ')' | Var
>> -[21] HavingClause ::= 'HAVING' HavingCondition+
>> -[22] HavingCondition ::= Constraint
>> -[23] OrderClause ::= 'ORDER' 'BY' OrderCondition+
>> -[24] OrderCondition ::= ( ( 'ASC' | 'DESC' ) BrackettedExpression ) | (
>> Constraint | Var )
>> -[25] LimitOffsetClauses ::= LimitClause OffsetClause? | OffsetClause
>> LimitClause?
>> -[26] LimitClause ::= 'LIMIT' INTEGER
>> -[27] OffsetClause ::= 'OFFSET' INTEGER
>> -[28] ValuesClause ::= ( 'VALUES' DataBlock )?
>> -*/
>> +/* [17]    WhereClause ::= 'WHERE'? GroupGraphPattern */
>> +private void WhereClause(Query query) : {
>> +    GroupGraphPattern queryPattern; } {
>> +
>> +    (<WHERE>)?
>> +    queryPattern=GroupGraphPattern() {
>> +    ((SimpleQuery) query).setQueryPattern(queryPattern); }
>> +}
>> +
>> +/* [18] SolutionModifier ::= GroupClause? HavingClause? OrderClause?
>> LimitOffsetClauses? */
>> +private void SolutionModifier(Query query) : {} {
>> +    ( GroupClause(query) )?
>> +    ( HavingClause(query) )?
>> +    ( OrderClause(query) )?
>> +    ( LimitOffsetClauses(query) )?
>> +}
>> +
>> +/* [19] GroupClause ::= 'GROUP' 'BY' GroupCondition+ */
>> +private void GroupClause(Query query) : {} {
>> +    <GROUP> <BY> ( GroupCondition(query) )+
>> +}
>> +
>> +/* [20] GroupCondition ::= BuiltInCall | FunctionCall | '(' Expression (
>> 'AS' Var )? ')' | Var */
>> +private void GroupCondition(Query query) : {
>> +    Expression e;
>> +    Variable v; } {
>> +    (
>> +        e=BuiltInCall()
>> +    |
>> +        e=FunctionCall()
>> +    |
>> +        (
>> +            "("
>> +            e=Expression()
>> +            (
>> +                <AS>
>> +                v=Var() {
>> +                v.setBoundExpression(e);
>> +                e = v; }
>> +            )?
>> +            ")"
>> +        )
>> +    |
>> +        e=Var()
>> +    ) {
>> +    ((SimpleQueryWithSolutionModifier) query).addGroupCondition(e); }
>> +}
>> +
>> +/* [21] HavingClause ::= 'HAVING' HavingCondition+ */
>> +private void HavingClause(Query query) : {} {
>> +    <HAVING> ( HavingCondition(query) )+
>> +}
>> +
>> +/* [22] HavingCondition ::= Constraint */
>> +private void HavingCondition(Query query) : {
>> +    Expression c; } {
>> +
>> +    c=Constraint() {
>> +    ((SimpleQueryWithSolutionModifier) query).addHavingCondition(c); }
>> +}
>> +
>> +/* [23] OrderClause ::= 'ORDER' 'BY' OrderCondition+ */
>> +private void OrderClause(Query query) : {} {
>> +    <ORDER> <BY> ( OrderCondition(query) )+
>> +}
>> +
>> +/* [24] OrderCondition ::= ( ( 'ASC' | 'DESC' ) BrackettedExpression ) |
>> ( Constraint | Var ) */
>> +private void OrderCondition(Query query) : {
>> +    boolean asc = true;
>> +    Expression e; } {
>> +
>> +    (
>> +        ( ( "ASC" | "DESC" { asc = false; } ) e=BrackettedExpression() )
>> +    |
>> +        ( e=Constraint() | e=Var() )
>> +    ) {
>> +    ((SimpleQueryWithSolutionModifier) query).addOrderCondition(new
>> SimpleOrderCondition(e, asc)); }
>> +}
>> +
>> +/* [25] LimitOffsetClauses ::= LimitClause OffsetClause? | OffsetClause
>> LimitClause? */
>> +private void LimitOffsetClauses(Query query) : {} {
>> +    ( LimitClause(query) (OffsetClause(query))? )
>> +    |
>> +    ( OffsetClause(query) (LimitClause(query))? )
>> +}
>> +
>> +/* [26] LimitClause ::= 'LIMIT' INTEGER */
>> +private void LimitClause(Query query) : {
>> +    Token t; } {
>> +
>> +    <LIMIT> t=<INTEGER> {
>> +    ((SimpleQueryWithSolutionModifier)
>> query).setLimit(Integer.parseInt(t.image)); }
>> +}
>> +
>> +/* [27] OffsetClause ::= 'OFFSET' INTEGER */
>> +private void OffsetClause(Query query) : {
>> +    Token t; } {
>> +
>> +    <OFFSET> t=<INTEGER> {
>> +    ((SimpleQueryWithSolutionModifier)
>> query).setOffset(Integer.parseInt(t.image)); }
>> +}
>> +
>> +/* [28] ValuesClause ::= ( 'VALUES' DataBlock )? */
>> +private void ValuesClause(Query query) : {
>> +    InlineData data; } {
>> +    (
>> +        <VALUES>
>> +        data=DataBlock() {
>> +        ((SimpleQuery) query).setInlineData(data); }
>> +    )?
>> +}
>>
>>  /* [29]    Update ::= Prologue ( Update1 ( ';' Update )? )? */
>>  private void Update(Update update) : {} {
>> @@ -565,8 +741,7 @@ private void Update1(Update update) : {
>>      ) {
>>      if (updateOperation != null) {
>>          update.addOperation(updateOperation);
>> -    }
>> -    }
>> +    } }
>>  }
>>
>>  /* [31]    Load ::= 'LOAD' 'SILENT'? iri ( 'INTO' GraphRef )? */
>> @@ -580,8 +755,7 @@ private UpdateOperation Load() : {
>>          operation.setSilent(true); }
>>      )?
>>      uriRef = Iri() {
>> -        operation.setSource(uriRef);
>> -    }
>> +    operation.setSource(uriRef); }
>>      (
>>          <INTO>
>>          uriRef = GraphRef() {
>> @@ -657,26 +831,282 @@ private GraphRefAllSpec GraphRefAll() :
>>  /* [49]    QuadData ::= '{' Quads '}' */
>>  /* [50]    Quads ::= TriplesTemplate? ( QuadsNotTriples '.'?
>> TriplesTemplate? )* */
>>  /* [51]    QuadsNotTriples ::= 'GRAPH' VarOrIri '{' TriplesTemplate? '}'
>> */
>> +
>>  /* [52]    TriplesTemplate ::= TriplesSameSubject ( '.' TriplesTemplate?
>> )? */
>> +private Set<TriplePattern> TriplesTemplate() : {
>> +    Set<TriplePattern> triplePatterns, t; } {
>> +
>> +    triplePatterns=TriplesSameSubject()
>> +    (
>> +        "."
>> +        (
>> +            t=TriplesTemplate() {
>> +            triplePatterns.addAll(t); }
>> +        )?
>> +    )? {
>> +    return triplePatterns; }
>> +}
>>
>>  /* [53]    GroupGraphPattern ::= '{' ( SubSelect | GroupGraphPatternSub
>> ) '}' */
>> +private GroupGraphPattern GroupGraphPattern() : {
>> +    Query query;
>> +    GroupGraphPattern groupGraphPattern = new SimpleGroupGraphPattern();
>> } {
>> +    "{"
>> +    (
>> +        query = SubSelect() {
>> +        groupGraphPattern.setSubSelect((SelectQuery) query); }
>> +    |
>> +        GroupGraphPatternSub(groupGraphPattern)
>> +    )
>> +    "}" {
>> +    return groupGraphPattern; }
>> +}
>> +
>>  /* [54]    GroupGraphPatternSub ::= TriplesBlock? (
>> GraphPatternNotTriples '.'? TriplesBlock? )* */
>> +private void GroupGraphPatternSub(GroupGraphPattern groupGraphPattern) :
>> {} {
>> +    ( TriplesBlock(groupGraphPattern) )?
>> +    (
>> +        GraphPatternNotTriples(groupGraphPattern)
>> +        (".")?
>> +        ( TriplesBlock(groupGraphPattern) )?
>> +    )*
>> +}
>> +
>>  /* [55]    TriplesBlock ::= TriplesSameSubjectPath ( '.' TriplesBlock?
>> )? */
>> +private void TriplesBlock(GroupGraphPattern groupGraphPattern) : {
>> +    Set<PropertyPathPattern> propertyPathPatterns; } {
>> +
>> +    propertyPathPatterns=TriplesSameSubjectPath() {
>> +    ((SimpleGroupGraphPattern)
>> groupGraphPattern).addPropertyPathPatterns(propertyPathPatterns); }
>> +    (
>> +        "." ( TriplesBlock(groupGraphPattern) )?
>> +    )?
>> +}
>> +
>>  /* [56]    GraphPatternNotTriples ::= GroupOrUnionGraphPattern |
>> OptionalGraphPattern | MinusGraphPattern | GraphGraphPattern |
>> ServiceGraphPattern | Filter | Bind | InlineData */
>> +private void GraphPatternNotTriples(GroupGraphPattern groupGraphPattern)
>> : {
>> +    Expression constraint;
>> +    Variable v; } {
>> +    (
>> +        GroupOrUnionGraphPattern(groupGraphPattern)
>> +    |
>> +        OptionalGraphPattern(groupGraphPattern)
>> +    |
>> +        MinusGraphPattern(groupGraphPattern)
>> +    |
>> +        GraphGraphPattern(groupGraphPattern)
>> +    |
>> +        ServiceGraphPattern(groupGraphPattern)
>> +    |
>> +        constraint=Filter() {
>> +        ((SimpleGroupGraphPattern)
>> groupGraphPattern).addConstraint(constraint); }
>> +    |
>> +        v=Bind() {
>> +        // We should either store this binding in the respective
>> variable in SelectQuery
>> +        // or we extend the BasicGraphPattern to store such binding.
>> +        // If we store the binding in the respective variable in
>> SelectQuery, a serializer
>> +        // won't be able to determine whether a binding is defined by
>> the BIND keyword or
>> +        // by an expression in the SELECT clause.
>> +        // The pre parser needs only to consume tokens, thus may ignore
>> this binding.
>> +
>> +        // The use of BIND ends the preceding basic graph pattern, thus
>> ...
>> +        ((SimpleGroupGraphPattern)
>> groupGraphPattern).endLastBasicGraphPattern(); }
>> +    |
>> +        InlineData(groupGraphPattern)
>> +    )
>> +}
>> +
>>  /* [57]    OptionalGraphPattern ::= 'OPTIONAL' GroupGraphPattern */
>> +private void OptionalGraphPattern(GroupGraphPattern groupGraphPattern) :
>> {
>> +    GroupGraphPattern optional; } {
>> +
>> +    <OPTIONAL>
>> +    optional=GroupGraphPattern() {
>> +    ((SimpleGroupGraphPattern)
>> groupGraphPattern).addOptionalGraphPattern(optional); }
>> +}
>> +
>>  /* [58]    GraphGraphPattern ::= 'GRAPH' VarOrIri GroupGraphPattern */
>> +private void GraphGraphPattern(GroupGraphPattern groupGraphPattern) : {
>> +    UriRefOrVariable graph;
>> +    GroupGraphPattern g; } {
>> +
>> +    <GRAPH>
>> +    graph=VarOrIri()
>> +    g=GroupGraphPattern() {
>> +    ((SimpleGroupGraphPattern) groupGraphPattern).addGraphPattern(new
>> SimpleGraphGraphPattern(graph, g)); }
>> +}
>> +
>>  /* [59]    ServiceGraphPattern ::= 'SERVICE' 'SILENT'? VarOrIri
>> GroupGraphPattern */
>> +private void ServiceGraphPattern(GroupGraphPattern groupGraphPattern) : {
>> +    UriRefOrVariable service;
>> +    GroupGraphPattern g;
>> +    boolean silent = false; } {
>> +
>> +    <SERVICE>
>> +    (
>> +        <SILENT> {
>> +        silent = true; }
>> +    )?
>> +    service=VarOrIri()
>> +    g=GroupGraphPattern() {
>> +    SimpleServiceGraphPattern simpleServiceGraphPattern;
>> +    simpleServiceGraphPattern = new SimpleServiceGraphPattern(service,
>> g);
>> +    ((SimpleGroupGraphPattern)
>> groupGraphPattern).addGraphPattern(simpleServiceGraphPattern);
>> +    if (silent) {
>> +        simpleServiceGraphPattern.setSilent(true);
>> +    } }
>> +}
>> +
>>  /* [60]    Bind ::= 'BIND' '(' Expression 'AS' Var ')' */
>> +private Variable Bind() : {
>> +    Variable v;
>> +    Expression e; } {
>> +
>> +    <BIND>
>> +    "("
>> +    e=Expression()
>> +    <AS>
>> +    v=Var() {
>> +    v.setBoundExpression(e); }
>> +    ")" {
>> +    return v; }
>> +}
>> +
>>  /* [61]    InlineData ::= 'VALUES' DataBlock */
>> +private void InlineData(GroupGraphPattern groupGraphPattern) : {
>> +    InlineData data; } {
>> +
>> +    <VALUES>
>> +    data=DataBlock() {
>> +    ((SimpleGroupGraphPattern) groupGraphPattern).addGraphPattern(data);
>> }
>> +}
>> +
>>  /* [62]    DataBlock ::= InlineDataOneVar | InlineDataFull */
>> +private InlineData DataBlock() : {
>> +    InlineData inlineData = new SimpleInlineData(); } {
>> +
>> +    (
>> +        InlineDataOneVar(inlineData)
>> +    |
>> +        InlineDataFull(inlineData)
>> +    ) {
>> +    return inlineData; }
>> +}
>> +
>>  /* [63]    InlineDataOneVar ::= Var '{' DataBlockValue* '}' */
>> +private void InlineDataOneVar(InlineData inlineData) : {
>> +    Variable var;
>> +    Resource val; } {
>> +
>> +    var=Var() {
>> +    ((SimpleInlineData) inlineData).addVariable(var); }
>> +    "{"
>> +    (
>> +        val=DataBlockValue() {
>> +        List<Resource> values = new ArrayList<Resource>();
>> +        values.add(val);
>> +        ((SimpleInlineData) inlineData).addValues(values); }
>> +    )*
>> +    "}"
>> +}
>> +
>>  /* [64]    InlineDataFull ::= ( NIL | '(' Var* ')' ) '{' ( '('
>> DataBlockValue* ')' | NIL )* '}' */
>> -/* [65]    DataBlockValue ::= iri |    RDFLiteral |    NumericLiteral |
>>    BooleanLiteral |    'UNDEF' */
>> +private void InlineDataFull(InlineData inlineData) : {
>> +    Variable var;
>> +    Resource val; } {
>> +    (
>> +        <NIL>
>> +    |
>> +        "("
>> +        (
>> +            var=Var() {
>> +            ((SimpleInlineData) inlineData).addVariable(var); }
>> +        )*
>> +
>> +        ")"
>> +    )
>> +    "{"
>> +    (
>> +        (
>> +            "(" {
>> +            List<Resource> values = new ArrayList<Resource>(); }
>> +            (
>> +                val=DataBlockValue() {
>> +                values.add(val); }
>> +            )*
>> +            ")" {
>> +            ((SimpleInlineData) inlineData).addValues(values); }
>> +        )
>> +    |
>> +        <NIL> {
>> +        ((SimpleInlineData) inlineData).addValues(new
>> ArrayList<Resource>()); }
>> +    )*
>> +    "}"
>> +}
>> +
>> +/* [65]    DataBlockValue ::= iri | RDFLiteral | NumericLiteral |
>> BooleanLiteral | 'UNDEF' */
>> +private Resource DataBlockValue() : {
>> +    Resource r = null; } {
>> +    (r=Iri() | r=RDFLiteral() | r=NumericLiteral() | r=BooleanLiteral()
>> | <UNDEF> ) {
>> +    return r; }
>> +}
>> +
>>  /* [66]    MinusGraphPattern ::= 'MINUS' GroupGraphPattern */
>> +private void MinusGraphPattern(GroupGraphPattern groupGraphPattern) : {
>> +    GroupGraphPattern subtrahend; } {
>> +
>> +    <MINUS>
>> +    subtrahend=GroupGraphPattern() {
>> +    ((SimpleGroupGraphPattern)
>> groupGraphPattern).addMinusGraphPattern(subtrahend); }
>> +}
>> +
>>  /* [67]    GroupOrUnionGraphPattern ::= GroupGraphPattern ( 'UNION'
>> GroupGraphPattern )* */
>> +private void GroupOrUnionGraphPattern(GroupGraphPattern
>> groupGraphPattern) : {
>> +    GroupGraphPattern g;
>> +    AlternativeGraphPattern unionGraphPattern = null; } {
>> +
>> +    g=GroupGraphPattern()
>> +    (
>> +        <UNION> {
>> +        if (unionGraphPattern == null) {
>> +            unionGraphPattern = new SimpleAlternativeGraphPattern(g);
>> +        } }
>> +        g=GroupGraphPattern() {
>> +        ((SimpleAlternativeGraphPattern)
>> unionGraphPattern).addAlternativeGraphPattern(g); }
>> +    )* {
>> +    if (unionGraphPattern != null) {
>> +        ((SimpleGroupGraphPattern)
>> groupGraphPattern).addGraphPattern(unionGraphPattern);
>> +    } else {
>> +        ((SimpleGroupGraphPattern) groupGraphPattern).addGraphPattern(g);
>> +    } }
>> +}
>> +
>>  /* [68]    Filter ::= 'FILTER' Constraint */
>> +private Expression Filter() : {
>> +    Expression c; } {
>> +
>> +    <FILTER>
>> +    c=Constraint() {
>> +    return c; }
>> +}
>> +
>>  /* [69]    Constraint ::= BrackettedExpression | BuiltInCall |
>> FunctionCall */
>> +private Expression Constraint() : {
>> +    Expression c; } {
>> +
>> +    ( c=BrackettedExpression() | c=BuiltInCall() | c=FunctionCall() ) {
>> +    return c; }
>> +}
>> +
>>  /* [70]    FunctionCall ::= iri ArgList */
>> +private FunctionCall FunctionCall() : {
>> +    UriRef name;
>> +    List<Expression> arguments; } {
>> +
>> +    name=Iri()
>> +    arguments=ArgList() {
>> +    return new FunctionCall(name, arguments); }
>> +}
>>
>>  /* [71]    ArgList ::= NIL | '(' 'DISTINCT'? Expression ( ',' Expression
>> )* ')' */
>>  private List<Expression> ArgList() : {
>> @@ -731,9 +1161,11 @@ private List<Expression> ExpressionList(
>>  private Set<TriplePattern> ConstructTemplate() : {
>>      Set<TriplePattern> triplePatterns = null; } {
>>
>> -    "{" (
>> -    triplePatterns=ConstructTriples()
>> -    )? "}" {
>> +    "{"
>> +    (
>> +        triplePatterns=ConstructTriples()
>> +    )?
>> +    "}" {
>>      return triplePatterns; }
>>  }
>>
>> @@ -742,10 +1174,11 @@ private Set<TriplePattern> ConstructTrip
>>      Set<TriplePattern> triplePatterns, t; } {
>>
>>      triplePatterns=TriplesSameSubject()
>> -    ( "."
>> +    (
>> +        "."
>>          (
>> -        t=ConstructTriples() {
>> -        triplePatterns.addAll(t); }
>> +            t=ConstructTriples() {
>> +            triplePatterns.addAll(t); }
>>          )?
>>      )? {
>>      return triplePatterns; }
>> @@ -820,25 +1253,246 @@ private ResourceOrVariable Object(Set<Tr
>>      return object; }
>>  }
>>
>> -/*
>> -[81]    TriplesSameSubjectPath ::= VarOrTerm PropertyListPathNotEmpty |
>>    TriplesNodePath PropertyListPath
>> -[82]    PropertyListPath ::= PropertyListPathNotEmpty?
>> -[83]    PropertyListPathNotEmpty ::= ( VerbPath | VerbSimple )
>> ObjectListPath ( ';' ( ( VerbPath | VerbSimple ) ObjectList )? )*
>> -[84]    VerbPath ::= Path
>> -[85]    VerbSimple ::= Var
>> -[86]    ObjectListPath ::= ObjectPath ( ',' ObjectPath )*
>> -[87]    ObjectPath ::= GraphNodePath
>> -[88]    Path ::= PathAlternative
>> -[89]    PathAlternative ::= PathSequence ( '|' PathSequence )*
>> -[90]    PathSequence ::= PathEltOrInverse ( '/' PathEltOrInverse )*
>> -[91]    PathElt ::= PathPrimary PathMod?
>> -[92]    PathEltOrInverse ::= PathElt | '^' PathElt
>> -[93]    PathMod ::= '?' | '*' | '+'
>> -[94]    PathPrimary ::= iri | 'a' | '!' PathNegatedPropertySet | '('
>> Path ')'
>> -[95]    PathNegatedPropertySet ::= PathOneInPropertySet | '(' (
>> PathOneInPropertySet ( '|' PathOneInPropertySet )* )? ')'
>> -[96]    PathOneInPropertySet ::= iri | 'a' | '^' ( iri | 'a' )
>> -[97]    Integer ::= INTEGER
>> -*/
>> +/* [81]    TriplesSameSubjectPath ::= VarOrTerm PropertyListPathNotEmpty
>> | TriplesNodePath PropertyListPath */
>> +private Set<PropertyPathPattern> TriplesSameSubjectPath() : {
>> +    Set<PropertyPathPattern> propertyPathPatterns = new
>> LinkedHashSet<PropertyPathPattern>();
>> +    ResourceOrVariable subject; } {
>> +
>> +    (
>> +        subject=VarOrTerm()
>> +        PropertyListPathNotEmpty(subject, propertyPathPatterns) {
>> +        return propertyPathPatterns; }
>> +    )
>> +    |
>> +    (
>> +        subject=TriplesNodePath(propertyPathPatterns)
>> +        PropertyListPath(subject, propertyPathPatterns) {
>> +        return propertyPathPatterns; }
>> +    )
>> +}
>> +
>> +/* [82]    PropertyListPath ::= PropertyListPathNotEmpty? */
>> +private void PropertyListPath(ResourceOrVariable subject,
>> Set<PropertyPathPattern> propertyPathPatterns) : { } {
>> +    (
>> +        PropertyListPathNotEmpty(subject, propertyPathPatterns)
>> +    )?
>> +}
>> +
>> +/* [83]    PropertyListPathNotEmpty ::= ( VerbPath | VerbSimple )
>> ObjectListPath ( ';' ( ( VerbPath | VerbSimple ) ObjectList )? )* */
>> +private void PropertyListPathNotEmpty(ResourceOrVariable subject,
>> Set<PropertyPathPattern> propertyPathPatterns) : {
>> +    PropertyPathExpressionOrVariable propertyPathExpressionOrVariable;
>> +    PropertyPathExpression propertyPathExpression;
>> +    Variable v;
>> +    Set<ResourceOrVariable> objects; } {
>> +    (
>> +        propertyPathExpression=VerbPath() {
>> +        propertyPathExpressionOrVariable = new
>> PropertyPathExpressionOrVariable(propertyPathExpression); }
>> +    |
>> +        v=VerbSimple() {
>> +        propertyPathExpressionOrVariable = new
>> PropertyPathExpressionOrVariable(v); }
>> +    )
>> +    objects=ObjectListPath(propertyPathPatterns) {
>> +    addPropertyPathPatterns(propertyPathPatterns, subject,
>> propertyPathExpressionOrVariable, objects); }
>> +    (
>> +        ";"
>> +        (
>> +            (
>> +                propertyPathExpression=VerbPath() {
>> +                propertyPathExpressionOrVariable = new
>> PropertyPathExpressionOrVariable(propertyPathExpression); }
>> +
>> +            |
>> +                v=VerbSimple() {
>> +                propertyPathExpressionOrVariable = new
>> PropertyPathExpressionOrVariable(v); }
>> +            )
>> +            objects=ObjectListPath(propertyPathPatterns) {
>> +            addPropertyPathPatterns(propertyPathPatterns, subject,
>> propertyPathExpressionOrVariable, objects); }
>> +        )?
>> +    )*
>> +}
>> +
>> +/* [84]    VerbPath ::= Path */
>> +private PropertyPathExpression VerbPath() : {
>> +    PropertyPathExpression propertyPathExpression; } {
>> +    propertyPathExpression=Path() {
>> +    return propertyPathExpression; }
>> +}
>> +
>> +/* [85]    VerbSimple ::= Var */
>> +private Variable VerbSimple() : {
>> +    Variable v; } {
>> +    v=Var() {
>> +    return v; }
>> +}
>> +
>> +/* [86]    ObjectListPath ::= ObjectPath ( ',' ObjectPath )* */
>> +private Set<ResourceOrVariable> ObjectListPath(Set<PropertyPathPattern>
>> propertyPathPatterns) : {
>> +    ResourceOrVariable object; } {
>> +    {
>> +    Set<ResourceOrVariable> objects = new
>> LinkedHashSet<ResourceOrVariable>();
>> +    }
>> +    object=ObjectPath(propertyPathPatterns) {
>> +    objects.add(object); }
>> +
>> +    (
>> +        ","
>> +        object=ObjectPath(propertyPathPatterns) {
>> +        objects.add(object); }
>> +    )* {
>> +    return objects; }
>> +}
>> +
>> +/* [87]    ObjectPath ::= GraphNodePath */
>> +private ResourceOrVariable ObjectPath(Set<PropertyPathPattern>
>> propertyPathPatterns) : {
>> +    ResourceOrVariable object; } {
>> +
>> +    object=GraphNodePath(propertyPathPatterns) {
>> +    return object; }
>> +}
>> +
>> +/* [88]    Path ::= PathAlternative */
>> +private PropertyPathExpression Path() : {
>> +    PropertyPathExpression propertyPathExpression; } {
>> +    propertyPathExpression=PathAlternative() {
>> +    return propertyPathExpression; }
>> +}
>> +
>> +/* [89]    PathAlternative ::= PathSequence ( '|' PathSequence )* */
>> +private PropertyPathExpression PathAlternative() : {
>> +    PropertyPathExpression ppe, pathSequence; } {
>> +
>> +    ppe=PathSequence()
>> +    (
>> +        "|"
>> +        pathSequence=PathSequence() {
>> +        ppe = new BinaryPropertyPathOperation("|", ppe, pathSequence); }
>> +    )* {
>> +    return ppe; }
>> +}
>> +
>> +/* [90]    PathSequence ::= PathEltOrInverse ( '/' PathEltOrInverse )* */
>> +private PropertyPathExpression PathSequence() : {
>> +    PropertyPathExpression ppe, pathEltOrInverse; } {
>> +
>> +    ppe=PathEltOrInverse()
>> +    (
>> +        "/"
>> +        pathEltOrInverse=PathEltOrInverse() {
>> +        ppe = new BinaryPropertyPathOperation("/", ppe,
>> pathEltOrInverse); }
>> +    )* {
>> +    return ppe; }
>> +}
>> +
>> +/* [91]    PathElt ::= PathPrimary PathMod? */
>> +private PropertyPathExpression PathElt() : {
>> +    PropertyPathExpression ppe;
>> +    String pathMode; } {
>> +
>> +    ppe=PathPrimary()
>> +    (
>> +        pathMode=PathMod() {
>> +        ppe = new UnaryPropertyPathOperation(pathMode, ppe); }
>> +    )? {
>> +    return ppe; }
>> +}
>> +
>> +/* [92]    PathEltOrInverse ::= PathElt | '^' PathElt */
>> +private PropertyPathExpression PathEltOrInverse() : {
>> +    PropertyPathExpression ppe; } {
>> +
>> +    (
>> +        ppe=PathElt() {
>> +        return ppe; }
>> +    |
>> +        "^"
>> +        ppe=PathElt() {
>> +        return new UnaryPropertyPathOperation("^", ppe); }
>> +    )
>> +}
>> +
>> +/* [93]    PathMod ::= '?' | '*' | '+' */
>> +private String PathMod() : {} {
>> +    (
>> +        "?" {
>> +        return "?"; }
>> +    |
>> +        "*" {
>> +        return "*"; }
>> +    |
>> +        "+" {
>> +        return "+"; }
>> +    )
>> +}
>> +
>> +/* [94]    PathPrimary ::= iri | 'a' | '!' PathNegatedPropertySet | '('
>> Path ')' */
>> +private PropertyPathExpression PathPrimary() : {
>> +    PropertyPathExpression ppe;
>> +    UriRef uriRef; } {
>> +
>> +    (
>> +        uriRef=Iri() {
>> +        return new PredicatePath(uriRef); }
>> +    |
>> +        "a" {
>> +        return new PredicatePath(RDF_TYPE); }
>> +    |
>> +        "!"
>> +        ppe=PathNegatedPropertySet() {
>> +        return new UnaryPropertyPathOperation("!", ppe); }
>> +    |
>> +        "("
>> +        ppe=Path() {
>> +        return ppe; }
>> +        ")"
>> +    )
>> +}
>> +
>> +/* [95]    PathNegatedPropertySet ::= PathOneInPropertySet | '(' (
>> PathOneInPropertySet ( '|' PathOneInPropertySet )* )? ')' */
>> +private PropertyPathExpression PathNegatedPropertySet() : {
>> +    PropertyPathExpression pathOneInPropertySet;
>> +    PropertySet propertySet = new PropertySet(); } {
>> +
>> +    (
>> +        pathOneInPropertySet=PathOneInPropertySet() {
>> +        return pathOneInPropertySet; }
>> +    |
>> +        "("
>> +        (
>> +            pathOneInPropertySet=PathOneInPropertySet() {
>> +            propertySet.addElement(pathOneInPropertySet); }
>> +            (
>> +                "|"
>> +                pathOneInPropertySet=PathOneInPropertySet() {
>> +                propertySet.addElement(pathOneInPropertySet); }
>> +            )*
>> +        )?
>> +        ")" {
>> +        return propertySet; }
>> +    )
>> +}
>> +
>> +/* [96]    PathOneInPropertySet ::= iri | 'a' | '^' ( iri | 'a' ) */
>> +private PropertyPathExpression PathOneInPropertySet() : {
>> +    UriRef uriRef; } {
>> +
>> +    (
>> +        uriRef=Iri() {
>> +        return new PredicatePath(uriRef); }
>> +    |
>> +        "a" {
>> +        return new PredicatePath(RDF_TYPE); }
>> +    |
>> +        "^"
>> +        (
>> +            uriRef=Iri() {
>> +            return new UnaryPropertyPathOperation("^", new
>> PredicatePath(uriRef)); }
>> +        |
>> +            "a" {
>> +            return new UnaryPropertyPathOperation("^", new
>> PredicatePath(RDF_TYPE)); }
>> +        )
>> +    )
>> +}
>> +
>> +/* [97]    Integer ::= INTEGER */
>>
>>  // Fill in the specified set of TriplePattern and returns the subject
>> node
>>  /* [98]    TriplesNode ::= Collection |  BlankNodePropertyList */
>> @@ -857,14 +1511,34 @@ private ResourceOrVariable BlankNodeProp
>>      {
>>      ResourceOrVariable subject = getNewBNode();
>>      }
>> -    "[" PropertyListNotEmpty(subject, triplePatterns) "]" {
>> +    "["
>> +    PropertyListNotEmpty(subject, triplePatterns)
>> +    "]" {
>>      return subject; }
>>  }
>>
>> -/*
>> -[100] TriplesNodePath ::= CollectionPath |    BlankNodePropertyListPath
>> -[101] BlankNodePropertyListPath ::= '[' PropertyListPathNotEmpty ']'
>> -*/
>> +/* [100] TriplesNodePath ::= CollectionPath | BlankNodePropertyListPath
>> */
>> +private ResourceOrVariable TriplesNodePath(Set<PropertyPathPattern>
>> propertyPathPatterns) : {
>> +    ResourceOrVariable subject; } {
>> +    (
>> +        subject=CollectionPath(propertyPathPatterns)
>> +    |
>> +        subject=BlankNodePropertyListPath(propertyPathPatterns)
>> +    ) {
>> +    return subject; }
>> +}
>> +
>> +
>> +/* [101] BlankNodePropertyListPath ::= '[' PropertyListPathNotEmpty ']'
>> */
>> +private ResourceOrVariable
>> BlankNodePropertyListPath(Set<PropertyPathPattern> propertyPathPatterns) :
>> {} {
>> +    {
>> +    ResourceOrVariable subject = getNewBNode();
>> +    }
>> +    "["
>> +    PropertyListPathNotEmpty(subject, propertyPathPatterns)
>> +    "]" {
>> +    return subject; }
>> +}
>>
>>  /* [102]    Collection ::= '(' GraphNode+ ')' */
>>  private ResourceOrVariable Collection(Set<TriplePattern> triplePatterns)
>> : {
>> @@ -872,30 +1546,49 @@ private ResourceOrVariable Collection(Se
>>      List<ResourceOrVariable> nodes = new
>> ArrayList<ResourceOrVariable>(); } {
>>
>>      "("
>> -        (
>> +    (
>>          node=GraphNode(triplePatterns) {
>>          nodes.add(node); }
>> -        )+
>> +    )+
>>      ")" {
>>      return addTriplePatterns(triplePatterns, nodes); }
>>  }
>>
>>  /* [103]    CollectionPath ::= '(' GraphNodePath+ ')' */
>> +private ResourceOrVariable CollectionPath(Set<PropertyPathPattern>
>> propertyPathPatterns) : {
>> +    ResourceOrVariable node;
>> +    List<ResourceOrVariable> nodes = new
>> ArrayList<ResourceOrVariable>(); } {
>>
>> +    "("
>> +    (
>> +        node=GraphNodePath(propertyPathPatterns) {
>> +        nodes.add(node); }
>> +    )+
>> +    ")" {
>> +    return addTriplePatterns(triplePatterns, nodes); }
>> +}
>>
>> -/* [104]    GraphNode ::= VarOrTerm |  TriplesNode */
>> +/* [104]    GraphNode ::= VarOrTerm | TriplesNode */
>>  private ResourceOrVariable GraphNode(Set<TriplePattern> triplePatterns)
>> : {
>>      ResourceOrVariable node; } {
>> -
>>      (
>> -    node=VarOrTerm()
>> +        node=VarOrTerm()
>>      |
>> -    node=TriplesNode(triplePatterns)
>> +        node=TriplesNode(triplePatterns)
>>      ) {
>>      return node; }
>>  }
>>
>> -/* [105]    GraphNodePath ::= VarOrTerm |    TriplesNodePath */
>> +/* [105]    GraphNodePath ::= VarOrTerm | TriplesNodePath */
>> +private ResourceOrVariable GraphNodePath(Set<PropertyPathPattern>
>> propertyPathPatterns) : {
>> +    ResourceOrVariable node; } {
>> +    (
>> +        node=VarOrTerm()
>> +    |
>> +        node=TriplesNodePath(propertyPathPatterns)
>> +    ) {
>> +    return node; }
>> +}
>>
>>  /* [106]    VarOrTerm ::= Var | GraphTerm */
>>  private ResourceOrVariable VarOrTerm() : {
>> @@ -903,11 +1596,11 @@ private ResourceOrVariable VarOrTerm() :
>>      Variable v; } {
>>
>>      (
>> -    v=Var() {
>> -    return new ResourceOrVariable(v); }
>> +        v=Var() {
>> +        return new ResourceOrVariable(v); }
>>      |
>> -    r=GraphTerm() {
>> -    return r; }
>> +        r=GraphTerm() {
>> +        return r; }
>>      )
>>  }
>>
>> @@ -933,13 +1626,6 @@ private Variable Var() : {
>>      return createVariable(t.image); }
>>  }
>>
>> -private String BuiltInCallName() : {
>> -    Token t;} {
>> -
>> -    t=<BUILT_IN_CALL_NAME> {
>> -    return t.image; }
>> -}
>> -
>>  /* [109]    GraphTerm ::= Iri | RDFLiteral | NumericLiteral |
>> BooleanLiteral | BlankNode | NIL */
>>  private ResourceOrVariable GraphTerm() : {
>>      ResourceOrVariable bNode = null;
>> @@ -1305,6 +1991,13 @@ private BuiltInCall BuiltInCall() : {
>>      return new BuiltInCall(name, args); }
>>  }
>>
>> +private String BuiltInCallName() : {
>> +    Token t;} {
>> +
>> +    t=<BUILT_IN_CALL_NAME> {
>> +    return t.image; }
>> +}
>> +
>>  /*
>>  [125]    ExistsFunc ::= 'EXISTS' GroupGraphPattern
>>  [126]    NotExistsFunc ::= 'NOT' 'EXISTS' GroupGraphPattern
>>
>> Modified:
>> clerezza/trunk/rdf.core/src/test/java/org/apache/clerezza/rdf/core/sparql/SparqlPreParserTest.java
>> URL:
>> http://svn.apache.org/viewvc/clerezza/trunk/rdf.core/src/test/java/org/apache/clerezza/rdf/core/sparql/SparqlPreParserTest.java?rev=1516993&r1=1516992&r2=1516993&view=diff
>>
>> ==============================================================================
>> ---
>> clerezza/trunk/rdf.core/src/test/java/org/apache/clerezza/rdf/core/sparql/SparqlPreParserTest.java
>> (original)
>> +++
>> clerezza/trunk/rdf.core/src/test/java/org/apache/clerezza/rdf/core/sparql/SparqlPreParserTest.java
>> Fri Aug 23 19:29:05 2013
>> @@ -58,6 +58,18 @@ public class SparqlPreParserTest {
>>          SparqlPreParser parser;
>>          parser = new SparqlPreParser(TcManager.getInstance());
>>          Set<UriRef> referredGraphs =
>> parser.getReferredGraphs(queryStrBuilder.toString(), DEFAULT_GRAPH);
>> +
>>  Assert.assertTrue(referredGraphs.toArray()[0].equals(DEFAULT_GRAPH));
>> +    }
>> +
>> +    @Test
>> +    public void testAllGraphReferenceInSelectQuery() throws
>> ParseException {
>> +
>> +        StringBuilder queryStrBuilder = new StringBuilder();
>> +        queryStrBuilder.append("SELECT DISTINCT ?g { GRAPH ?g { ?s ?p ?o
>> } }\n");
>> +
>> +        SparqlPreParser parser;
>> +        parser = new SparqlPreParser(TcManager.getInstance());
>> +        Set<UriRef> referredGraphs =
>> parser.getReferredGraphs(queryStrBuilder.toString(), DEFAULT_GRAPH);
>>          Assert.assertTrue(referredGraphs == null);
>>      }
>>
>>
>>
>>
>

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