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Posted to commits@clerezza.apache.org by ha...@apache.org on 2018/11/14 03:04:06 UTC
[2/6] clerezza git commit: CLEREZZA-1026: Introduce GraphStore to
remove dependency to TcProvider and refactor sparql
http://git-wip-us.apache.org/repos/asf/clerezza/blob/eec0ac73/sparql/src/main/javacc/org/apache/clerezza/sparql/JavaCCGeneratedSparqlPreParser.jj
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diff --git a/sparql/src/main/javacc/org/apache/clerezza/sparql/JavaCCGeneratedSparqlPreParser.jj b/sparql/src/main/javacc/org/apache/clerezza/sparql/JavaCCGeneratedSparqlPreParser.jj
new file mode 100644
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@@ -0,0 +1,2557 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+options
+{
+ STATIC=false;
+ UNICODE_INPUT=true;
+ IGNORE_CASE=false;
+ JAVA_UNICODE_ESCAPE=false;
+ DEBUG_PARSER=false;
+ JDK_VERSION="1.6";
+}
+
+PARSER_BEGIN(JavaCCGeneratedSparqlPreParser)
+
+package org.apache.clerezza.sparql;
+
+import org.apache.clerezza.api.BlankNode;
+import org.apache.clerezza.api.impl.literal.LiteralFactory;
+import org.apache.clerezza.api.impl.literal.PlainLiteralImpl;
+import org.apache.clerezza.api.impl.literal.TypedLiteralImpl;
+import org.apache.clerezza.api.IRI;
+import org.apache.clerezza.api.Language;
+import org.apache.clerezza.api.Literal;
+import org.apache.clerezza.api.RDFTerm;
+import org.apache.clerezza.sparql.query.AlternativeGraphPattern;
+import org.apache.clerezza.sparql.query.BinaryOperation;
+import org.apache.clerezza.sparql.query.BinaryPropertyPathOperation;
+import org.apache.clerezza.sparql.query.BuiltInCall;
+import org.apache.clerezza.sparql.query.Expression;
+import org.apache.clerezza.sparql.query.FunctionCall;
+import org.apache.clerezza.sparql.query.GroupGraphPattern;
+import org.apache.clerezza.sparql.query.InlineData;
+import org.apache.clerezza.sparql.query.LiteralExpression;
+import org.apache.clerezza.sparql.query.PatternExistenceCondition;
+import org.apache.clerezza.sparql.query.PredicatePath;
+import org.apache.clerezza.sparql.query.PropertyPathExpressionOrVariable;
+import org.apache.clerezza.sparql.query.PropertyPathExpression;
+import org.apache.clerezza.sparql.query.PropertyPathPattern;
+import org.apache.clerezza.sparql.query.PropertySet;
+import org.apache.clerezza.sparql.query.Query;
+import org.apache.clerezza.sparql.query.ResourceOrVariable;
+import org.apache.clerezza.sparql.query.RhsListBinaryOperation;
+import org.apache.clerezza.sparql.query.SelectQuery;
+import org.apache.clerezza.sparql.query.SparqlUnit;
+import org.apache.clerezza.sparql.query.TriplePattern;
+import org.apache.clerezza.sparql.query.UnaryOperation;
+import org.apache.clerezza.sparql.query.UnaryPropertyPathOperation;
+import org.apache.clerezza.sparql.query.UriRefExpression;
+import org.apache.clerezza.sparql.query.UriRefOrVariable;
+import org.apache.clerezza.sparql.query.Variable;
+import org.apache.clerezza.sparql.query.impl.SimpleAlternativeGraphPattern;
+import org.apache.clerezza.sparql.query.impl.SimpleAskQuery;
+import org.apache.clerezza.sparql.query.impl.SimpleConstructQuery;
+import org.apache.clerezza.sparql.query.impl.SimpleDataSet;
+import org.apache.clerezza.sparql.query.impl.SimpleDescribeQuery;
+import org.apache.clerezza.sparql.query.impl.SimpleGraphGraphPattern;
+import org.apache.clerezza.sparql.query.impl.SimpleGroupGraphPattern;
+import org.apache.clerezza.sparql.query.impl.SimpleInlineData;
+import org.apache.clerezza.sparql.query.impl.SimpleOrderCondition;
+import org.apache.clerezza.sparql.query.impl.SimplePropertyPathPattern;
+import org.apache.clerezza.sparql.query.impl.SimpleQuery;
+import org.apache.clerezza.sparql.query.impl.SimpleQueryWithSolutionModifier;
+import org.apache.clerezza.sparql.query.impl.SimpleSelectQuery;
+import org.apache.clerezza.sparql.query.impl.SimpleServiceGraphPattern;
+import org.apache.clerezza.sparql.query.impl.SimpleSparqlUnit;
+import org.apache.clerezza.sparql.query.impl.SimpleTriplePattern;
+import org.apache.clerezza.sparql.update.Update;
+import org.apache.clerezza.sparql.update.UpdateOperation;
+import org.apache.clerezza.sparql.update.UpdateOperation.GraphSpec;
+import org.apache.clerezza.sparql.update.impl.AddOperation;
+import org.apache.clerezza.sparql.update.impl.ClearOperation;
+import org.apache.clerezza.sparql.update.impl.ClearOrDropOperation;
+import org.apache.clerezza.sparql.update.impl.CopyOperation;
+import org.apache.clerezza.sparql.update.impl.CreateOperation;
+import org.apache.clerezza.sparql.update.impl.DeleteDataOperation;
+import org.apache.clerezza.sparql.update.impl.DeleteWhereOperation;
+import org.apache.clerezza.sparql.update.impl.DropOperation;
+import org.apache.clerezza.sparql.update.impl.InsertDataOperation;
+import org.apache.clerezza.sparql.update.impl.LoadOperation;
+import org.apache.clerezza.sparql.update.impl.ModifyOperation;
+import org.apache.clerezza.sparql.update.impl.MoveOperation;
+import org.apache.clerezza.sparql.update.impl.SimpleUpdate;
+import org.apache.clerezza.sparql.update.impl.SimpleUpdateOperation;
+import org.apache.clerezza.sparql.update.impl.UpdateOperationWithQuads;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.Set;
+
+/**
+ *
+ * Credits: Fedora Commons, Inc.
+ * - for initial grammar of this file (available in mulgara project).
+ * Modified by: Hasan <ha...@trialox.org>
+ */
+class JavaCCGeneratedSparqlPreParser {
+
+ private static final IRI RDF_TYPE =
+ new IRI("http://www.w3.org/1999/02/22-rdf-syntax-ns#type");
+ private static final IRI RDF_FIRST =
+ new IRI("http://www.w3.org/1999/02/22-rdf-syntax-ns#first");
+ private static final IRI RDF_REST =
+ new IRI("http://www.w3.org/1999/02/22-rdf-syntax-ns#rest");
+ private static final IRI RDF_NIL =
+ new IRI("http://www.w3.org/1999/02/22-rdf-syntax-ns#nil");
+
+ /** A RegEx pattern for separating out a namespace from a prefixed name. */
+ private static final Pattern pfxNamePattern = Pattern.compile("([^:]*):(.*)");
+
+ private String base;
+ private Map<String, String> prefixes;
+ private Map<String, ResourceOrVariable> bNodes;
+ private int count;
+
+ private class GraphRefAllSpec {
+ GraphSpec graphSpec;
+ IRI graph;
+ public void setGraphSpec(GraphSpec graphSpec) {
+ this.graphSpec = graphSpec;
+ }
+ public GraphSpec getGraphSpec() {
+ return this.graphSpec;
+ }
+ public void setGraph(IRI graph){
+ this.graph = graph;
+ }
+ public IRI getGraph() {
+ return this.graph;
+ }
+ }
+
+ void initialize() {
+ base = null;
+ prefixes = new HashMap<String, String>();
+ bNodes = new HashMap<String, ResourceOrVariable>();
+ count = 0;
+ }
+
+ SparqlUnit parse() throws ParseException {
+ SparqlUnit sparqlUnit;
+ initialize();
+ sparqlUnit = this.SparqlUnit();
+ return sparqlUnit;
+ }
+
+ Query parseQuery() throws ParseException {
+ Query query;
+ initialize();
+ query = this.QueryUnit();
+ return query;
+ }
+
+ Update parseUpdate() throws ParseException {
+ Update update;
+ initialize();
+ update = this.UpdateUnit();
+ return update;
+ }
+
+ private static String unquote(String s) {
+ return s.substring(1, s.length() - 1);
+ }
+
+ private static String unTripleQuote(String s) {
+ return s.substring(3, s.length() - 3);
+ }
+
+ private Variable createVariable(String name) {
+ name = name.substring(1);
+ Variable v = new Variable(name);
+ 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,
+ Set<ResourceOrVariable> objects) {
+
+ for (ResourceOrVariable object : objects) {
+ triplePatterns.add(
+ new SimpleTriplePattern(subject, predicate, object));
+ }
+ }
+
+ // nodes contain at least one element
+ private ResourceOrVariable addTriplePatterns(
+ Set<TriplePattern> triplePatterns,
+ List<ResourceOrVariable> nodes) {
+
+ ResourceOrVariable head = null;
+ UriRefOrVariable rdfFirst = new UriRefOrVariable(RDF_FIRST);
+ UriRefOrVariable rdfRest = new UriRefOrVariable(RDF_REST);
+ UriRefOrVariable rdfNil = new UriRefOrVariable(RDF_NIL);
+
+ ResourceOrVariable prevSubject = null;
+ for (ResourceOrVariable node : nodes) {
+ ResourceOrVariable currentSubject = getNewBNode();
+ if (prevSubject != null) {
+ triplePatterns.add(
+ new SimpleTriplePattern(prevSubject, rdfRest, currentSubject));
+ } else {
+ head = currentSubject;
+ }
+ triplePatterns.add(
+ new SimpleTriplePattern(currentSubject, rdfFirst, node));
+ prevSubject = currentSubject;
+ }
+ if (prevSubject != null) {
+ triplePatterns.add(
+ new SimpleTriplePattern(prevSubject, rdfRest, rdfNil));
+ }
+ return head;
+ }
+
+ private ResourceOrVariable getNewBNode() {
+ ResourceOrVariable bNode = new ResourceOrVariable(new BlankNode());
+ bNodes.put("*" + count++, bNode);
+ return bNode;
+ }
+
+ private ResourceOrVariable getBNode(String label) {
+ ResourceOrVariable bNode = bNodes.get(label);
+ if (bNode == null) {
+ bNode = new ResourceOrVariable(new BlankNode());
+ bNodes.put(label, bNode);
+ }
+ return bNode;
+ }
+
+ private IRI createUriRef(String r) throws ParseException {
+ // Create an IRI directly if the string does not start with a prefix
+ Matcher m = pfxNamePattern.matcher(r);
+ if (!m.matches()) {
+ // either a normal IRI, or one with a BASE
+ return isRelative(r) ? new IRI(base + r) : new IRI(r);
+ }
+ // extract the prefix, and attempt to convert to a URI before creating the reference
+ String ns = prefixes.get(m.group(1));
+ return ns == null ? new IRI(r) : new IRI(ns + m.group(2));
+ }
+
+ /**
+ * Tests if the string for a URI is relative or absolute. The test is based on a scheme existing
+ * in the string, which in turn expects a : character to follow it. If there is no colon, then
+ * it is presumed to be relative. Otherwise, if there are special characters preceding the first
+ * colon these are presumed to not be in a scheme.
+ * @param u A string for a URI.
+ * @return <code>true</code> if the URI appears to be relative, <code>false</code> otherwise.
+ */
+ private static boolean isRelative(String u) {
+ int colon = u.indexOf(':');
+ if (colon < 0) {
+ return true;
+ }
+ for (int c = 0; c < colon; c++) {
+ // if there a non-alphanum characters then this is not a scheme, so the URI is relative
+ if (!Character.isLetterOrDigit(u.charAt(c))) {
+ return true;
+ }
+ }
+ // found a (probably) valid scheme, so the URI is absolute
+ return false;
+ }
+}
+PARSER_END(JavaCCGeneratedSparqlPreParser)
+
+SKIP :
+{
+ "\t" | "\n" | "\r" | "\f" | " "
+}
+
+MORE :
+{
+ "#" : IN_COMMENT
+}
+
+<IN_COMMENT>
+SPECIAL_TOKEN :
+{
+ <COMMENT: ( ~[ "\r","\n" ] )* > : DEFAULT
+}
+
+TOKEN [IGNORE_CASE] :
+{
+ < SELECT : "SELECT" >
+| < BASE : "BASE" >
+| < ORDER : "ORDER" >
+| < BY : "BY" >
+| < FROM : "FROM" >
+| < GRAPH : "GRAPH" >
+| < PREFIX : "PREFIX" >
+| < CONSTRUCT : "CONSTRUCT" >
+| < LIMIT : "LIMIT" >
+| < NAMED : "NAMED" >
+| < OPTIONAL : "OPTIONAL" >
+| < DESCRIBE : "DESCRIBE" >
+| < OFFSET : "OFFSET" >
+| < WHERE : "WHERE" >
+| < UNION : "UNION" >
+| < ASK : "ASK" >
+| < DISTINCT : "DISTINCT" >
+| < FILTER : "FILTER" >
+| < REDUCED : "REDUCED" >
+| < GROUP_CONCAT : "GROUP_CONCAT" >
+| < BOUND : "bound" >
+| < TRUE : "TRUE" >
+| < FALSE : "FALSE" >
+| < VALUES : "VALUES" >
+| < UNDEF : "UNDEF" >
+| < AS : "AS" >
+| < BIND : "BIND" >
+| < MINUS : "MINUS" >
+| < SERVICE : "SERVICE" >
+| < GROUP : "GROUP" >
+| < HAVING : "HAVING" >
+| < LOAD : "LOAD" >
+| < SILENT : "SILENT" >
+| < INTO : "INTO" >
+| < CLEAR : "CLEAR" >
+| < DROP : "DROP" >
+| < CREATE : "CREATE" >
+| < ADD : "ADD" >
+| < TO : "TO" >
+| < MOVE : "MOVE" >
+| < COPY : "COPY" >
+| < INSERT : "INSERT" >
+| < DELETE : "DELETE" >
+| < DATA : "DATA" >
+| < WITH : "WITH" >
+| < USING : "USING" >
+| < DEFAULT_T : "DEFAULT" >
+| < ALL : "ALL" >
+| < IN : "IN" >
+| < NOT : "NOT" >
+| < EXISTS : "EXISTS" >
+| < BNODE : "BNODE" >
+| < RAND : "RAND" >
+| < CONCAT : "CONCAT" >
+| < NOW : "NOW" >
+| < UUID : "UUID" >
+| < STRUUID : "STRUUID" >
+| < COALESCE : "COALESCE" >
+| < SEPARATOR : "SEPARATOR" >
+}
+
+/* SparqlUnit ::= Prologue ( Query | Update ) */
+private SparqlUnit SparqlUnit() : {
+ Query query;
+ Update update; } {
+
+ Prologue()
+ (
+ query=QueryUnit() {
+ return new SimpleSparqlUnit(query); }
+ |
+ update=UpdateUnit() {
+ return new SimpleSparqlUnit(update); }
+ )
+}
+
+/* [1] QueryUnit ::= Query */
+private Query QueryUnit() : {
+ Query query; } {
+
+ query=Query() {
+ return query; }
+}
+
+/* [2] Query ::= Prologue ( SelectQuery | ConstructQuery | DescribeQuery | AskQuery ) ValuesClause */
+/* [2] Query ::= ( SelectQuery | ConstructQuery | DescribeQuery | AskQuery ) ValuesClause */
+private Query Query() : {
+ Query query; } {
+ (
+ query = SelectQuery()
+ |
+ query = ConstructQuery()
+ |
+ query = DescribeQuery()
+ |
+ query = AskQuery()
+ ) {
+ return query;
+ }
+}
+
+/* [3] UpdateUnit ::= Update */
+private Update UpdateUnit() : {
+ Update update = new SimpleUpdate(); } {
+ Update(update) {
+ return update; }
+}
+
+/* [4] Prologue ::= ( BaseDecl | PrefixDecl )* */
+private void Prologue() : {} {
+ ( BaseDecl() | PrefixDecl() )*
+}
+
+/* [5] BaseDecl ::= 'BASE' IRIREF */
+private void BaseDecl() : {
+ Token iriRef; } {
+
+ <BASE> iriRef=<IRIREF> { base = unquote(iriRef.image); }
+}
+
+/* [6] PrefixDecl ::= 'PREFIX' PNAME_NS IRIREF */
+private void PrefixDecl() : {
+ Token ns, iriRef; } {
+
+ <PREFIX> ns=<PNAME_NS> iriRef=<IRIREF> {
+ String pfx = ns.image;
+ prefixes.put(pfx.substring(0, pfx.length() - 1), unquote(iriRef.image)); }
+}
+
+/* [7] SelectQuery ::= SelectClause DatasetClause* WhereClause SolutionModifier */
+private Query SelectQuery() : {
+ Query query; } {
+ query = SelectClause()
+ ( 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() : {
+ Query query;
+ Variable v;
+ Expression e; } {
+
+ <SELECT> {
+ query = new SimpleSelectQuery(); }
+ (
+ <DISTINCT> {
+ ((SimpleSelectQuery) query).setDistinct(); }
+ |
+ <REDUCED> {
+ ((SimpleSelectQuery) query).setReduced(); }
+ )?
+ (
+ (
+ v=Var() {
+ ((SimpleSelectQuery) query).addSelection(v); }
+ |
+ (
+ "("
+ e=Expression()
+ <AS>
+ v=Var() {
+ v.setBoundExpression(e);
+ ((SimpleSelectQuery) query).addSelection(v); }
+ ")"
+ )
+ )+
+ |
+ "*" {
+ ((SimpleSelectQuery) query).setSelectAll(); }
+ ) {
+ return query; }
+}
+
+/* [10] ConstructQuery ::= 'CONSTRUCT' ( ConstructTemplate DatasetClause* WhereClause SolutionModifier | DatasetClause* 'WHERE' '{' TriplesTemplate? '}' SolutionModifier ) */
+private Query ConstructQuery() : {
+ Query query;
+ 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; }
+}
+
+/* [11] DescribeQuery ::= 'DESCRIBE' ( VarOrIRI+ | '*' ) DatasetClause* WhereClause? SolutionModifier */
+private Query DescribeQuery() : {
+ Query query;
+ UriRefOrVariable node; } {
+
+ <DESCRIBE> {
+ query = new SimpleDescribeQuery(); }
+ (
+ ( node=VarOrIRI() {
+ ((SimpleDescribeQuery) query).addResourceToDescribe(node); } )+
+ |
+ "*" {
+ ((SimpleDescribeQuery) query).setDescribeAll(); }
+ )
+ ( DatasetClause(query) )*
+ ( WhereClause(query) )?
+ SolutionModifier(query) {
+ return query; }
+}
+
+/* [12] AskQuery ::= 'ASK' DatasetClause* WhereClause SolutionModifier */
+private Query AskQuery() : {
+ Query query; } {
+
+ <ASK> {
+ query = new SimpleAskQuery(); }
+ ( DatasetClause(query) )*
+ WhereClause(query)
+ SolutionModifier(query) {
+ return query; }
+}
+
+/* [13] DatasetClause ::= 'FROM' ( DefaultGraphClause | NamedGraphClause ) */
+private void DatasetClause(Query query) : {} {
+ <FROM> (DefaultGraphClause(query) | NamedGraphClause(query))
+}
+
+/* [14] DefaultGraphClause ::= SourceSelector */
+private void DefaultGraphClause(Query query) : {
+ IRI defaultGraph; } {
+
+ defaultGraph=SourceSelector() {
+ ((SimpleQuery) query).addDefaultGraph(defaultGraph); }
+}
+
+/* [15] NamedGraphClause ::= 'NAMED' SourceSelector */
+private void NamedGraphClause(Query query) : {
+ IRI namedGraph; } {
+
+ <NAMED> namedGraph=SourceSelector() {
+ ((SimpleQuery) query).addNamedGraph(namedGraph); }
+}
+
+/* [16] SourceSelector ::= iri */
+private IRI SourceSelector() : {
+ IRI graph; } {
+
+ graph=IRI() {
+ return graph; }
+}
+
+/* [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 )? )? */
+/* [29] Update ::= ( Update1 ( ';' Prologue Update )? )? */
+private void Update(Update update) : {} {
+ (
+ Update1(update)
+ (
+ ";"
+ Prologue()
+ Update(update)
+ )?
+ )?
+}
+
+/* [30] Update1 ::= Load | Clear | Drop | Add | Move | Copy | Create | InsertData | DeleteData | DeleteWhere | Modify */
+private void Update1(Update update) : {
+ UpdateOperation updateOperation = null; } {
+
+ (
+ updateOperation = Load()
+ |
+ updateOperation = Clear()
+ |
+ updateOperation = Drop()
+ |
+ updateOperation = Add()
+ |
+ updateOperation = Move()
+ |
+ updateOperation = Copy()
+ |
+ updateOperation = Create()
+ |
+ LOOKAHEAD(2)
+ updateOperation = InsertData()
+ |
+ LOOKAHEAD(2)
+ updateOperation = DeleteData()
+ |
+ LOOKAHEAD(2)
+ updateOperation = DeleteWhere()
+ |
+ updateOperation = Modify()
+ ) {
+ if (updateOperation != null) {
+ update.addOperation(updateOperation);
+ } }
+}
+
+/* [31] Load ::= 'LOAD' 'SILENT'? iri ( 'INTO' GraphRef )? */
+private UpdateOperation Load() : {
+ IRI uriRef;
+ LoadOperation operation; } {
+ <LOAD> {
+ operation = new LoadOperation(); }
+ (
+ <SILENT> {
+ operation.setSilent(true); }
+ )?
+ uriRef = IRI() {
+ operation.setSource(uriRef); }
+ (
+ <INTO>
+ uriRef = GraphRef() {
+ operation.setDestinationGraph(uriRef); }
+ )? {
+ return operation; }
+}
+
+/* [32] Clear ::= 'CLEAR' 'SILENT'? GraphRefAll */
+private UpdateOperation Clear() : {
+ ClearOperation operation; } {
+ <CLEAR> {
+ operation = new ClearOperation(); }
+ ProcessParametersOfClearOrDropOperation(operation) {
+ return operation; }
+}
+
+private void ProcessParametersOfClearOrDropOperation(ClearOrDropOperation operation) : {
+ GraphRefAllSpec graphRefAllSpec;
+ GraphSpec graphSpec; } {
+ (
+ <SILENT> {
+ operation.setSilent(true); }
+ )?
+ graphRefAllSpec = GraphRefAll() {
+ graphSpec = graphRefAllSpec.getGraphSpec();
+ operation.setDestinationGraphSpec(graphSpec);
+ if (graphSpec == GraphSpec.GRAPH) {
+ operation.setDestinationGraph(graphRefAllSpec.getGraph());
+ } }
+}
+
+/* [33] Drop ::= 'DROP' 'SILENT'? GraphRefAll */
+private UpdateOperation Drop() : {
+ DropOperation operation; } {
+ <DROP> {
+ operation = new DropOperation(); }
+ ProcessParametersOfClearOrDropOperation(operation) {
+ return operation; }
+}
+
+/* [34] Create ::= 'CREATE' 'SILENT'? GraphRef */
+private UpdateOperation Create() : {
+ IRI uriRef;
+ CreateOperation operation; } {
+ <CREATE> {
+ operation = new CreateOperation(); }
+ (
+ <SILENT> {
+ operation.setSilent(true); }
+ )?
+ uriRef = GraphRef() {
+ operation.setDestinationGraph(uriRef);
+ return operation; }
+}
+
+/* [35] Add ::= 'ADD' 'SILENT'? GraphOrDefault 'TO' GraphOrDefault */
+private UpdateOperation Add() : {
+ AddOperation operation; } {
+ <ADD> {
+ operation = new AddOperation(); }
+ ProcessParametersOfAddMoveOrCopyOperation(operation) {
+ return operation; }
+}
+
+private void ProcessParametersOfAddMoveOrCopyOperation(SimpleUpdateOperation operation) : {
+ GraphRefAllSpec graphRefAllSpec;
+ GraphSpec graphSpec; } {
+ (
+ <SILENT> {
+ operation.setSilent(true); }
+ )?
+ graphRefAllSpec = GraphOrDefault() {
+ graphSpec = graphRefAllSpec.getGraphSpec();
+ if (graphSpec == GraphSpec.GRAPH) {
+ operation.setInputGraph(graphRefAllSpec.getGraph());
+ } else {
+ operation.setInputGraphSpec(graphSpec);
+ } }
+ <TO>
+ graphRefAllSpec = GraphOrDefault() {
+ graphSpec = graphRefAllSpec.getGraphSpec();
+ if (graphSpec == GraphSpec.GRAPH) {
+ operation.setDestinationGraph(graphRefAllSpec.getGraph());
+ } else {
+ operation.setDestinationGraphSpec(graphSpec);
+ } }
+}
+
+/* [36] Move ::= 'MOVE' 'SILENT'? GraphOrDefault 'TO' GraphOrDefault */
+private UpdateOperation Move() : {
+ MoveOperation operation; } {
+ <MOVE> {
+ operation = new MoveOperation(); }
+ ProcessParametersOfAddMoveOrCopyOperation(operation) {
+ return operation; }
+}
+
+/* [37] Copy ::= 'COPY' 'SILENT'? GraphOrDefault 'TO' GraphOrDefault */
+private UpdateOperation Copy() : {
+ CopyOperation operation; } {
+ <COPY> {
+ operation = new CopyOperation(); }
+ ProcessParametersOfAddMoveOrCopyOperation(operation) {
+ return operation; }
+}
+
+/* [38] InsertData ::= 'INSERT DATA' QuadData */
+private UpdateOperation InsertData() : {
+ InsertDataOperation operation; } {
+ <INSERT> <DATA> {
+ operation = new InsertDataOperation(); }
+ QuadData(operation) {
+ return operation; }
+}
+
+/* [39] DeleteData ::= 'DELETE DATA' QuadData */
+private UpdateOperation DeleteData() : {
+ DeleteDataOperation operation; } {
+ <DELETE> <DATA> {
+ operation = new DeleteDataOperation(); }
+ QuadData(operation) {
+ return operation; }
+}
+
+/* [40] DeleteWhere ::= 'DELETE WHERE' QuadPattern */
+private UpdateOperation DeleteWhere() : {
+ DeleteWhereOperation operation; } {
+ <DELETE> <WHERE> {
+ operation = new DeleteWhereOperation(); }
+ QuadPattern(operation) {
+ return operation; }
+}
+
+/* [41] Modify ::= ( 'WITH' iri )? ( DeleteClause InsertClause? | InsertClause ) UsingClause* 'WHERE' GroupGraphPattern */
+private UpdateOperation Modify() : {
+ IRI fallbackGraph = null;
+ UpdateOperationWithQuads deleteOperation = null;
+ UpdateOperationWithQuads insertOperation = null;
+ SimpleDataSet dataSet = new SimpleDataSet();
+ GroupGraphPattern queryPattern;
+ ModifyOperation operation; } {
+ (
+ <WITH>
+ fallbackGraph = IRI()
+ )?
+ (
+ deleteOperation = DeleteClause()
+ (
+ insertOperation = InsertClause()
+ )?
+ |
+ insertOperation = InsertClause()
+ ) {
+ operation = new ModifyOperation();
+ if (fallbackGraph != null) {
+ operation.setFallbackGraph(fallbackGraph);
+ }
+ if (deleteOperation != null) {
+ operation.setDeleteOperation(deleteOperation);
+ }
+ if (insertOperation != null) {
+ operation.setInsertOperation(insertOperation);
+ } }
+ (
+ UsingClause(dataSet)
+ )* {
+ operation.setDataSet(dataSet); }
+
+ <WHERE>
+ queryPattern = GroupGraphPattern() {
+ operation.setQueryPattern(queryPattern);
+ return operation; }
+}
+
+/* [42] DeleteClause ::= 'DELETE' QuadPattern */
+private UpdateOperationWithQuads DeleteClause() : {
+ UpdateOperationWithQuads operation; } {
+ <DELETE> {
+ operation = new UpdateOperationWithQuads(); }
+ QuadPattern(operation) {
+ return operation; }
+}
+
+/* [43] InsertClause ::= 'INSERT' QuadPattern */
+private UpdateOperationWithQuads InsertClause() : {
+ UpdateOperationWithQuads operation; } {
+ <INSERT> {
+ operation = new UpdateOperationWithQuads(); }
+ QuadPattern(operation) {
+ return operation; }
+}
+
+/* [44] UsingClause ::= 'USING' ( iri | 'NAMED' iri ) */
+private void UsingClause(SimpleDataSet dataSet) : {
+ IRI graph; } {
+ <USING>
+ (
+ graph = IRI() {
+ dataSet.addDefaultGraph(graph); }
+ |
+ <NAMED>
+ graph = IRI() {
+ dataSet.addNamedGraph(graph); }
+ )
+}
+
+/* [45] GraphOrDefault ::= 'DEFAULT_T' | 'GRAPH'? iri */
+private GraphRefAllSpec GraphOrDefault() : {
+ IRI uriRef;
+ GraphRefAllSpec graphRefAllSpec = new GraphRefAllSpec(); } {
+ (
+ <DEFAULT_T> {
+ graphRefAllSpec.setGraphSpec(GraphSpec.DEFAULT); }
+ |
+ (
+ <GRAPH>
+ )?
+ uriRef = IRI() {
+ graphRefAllSpec.setGraph(uriRef);
+ graphRefAllSpec.setGraphSpec(GraphSpec.GRAPH); }
+ ) {
+ return graphRefAllSpec; }
+}
+
+/* [46] GraphRef ::= 'GRAPH' iri */
+private IRI GraphRef() : {
+ IRI uriRef; } {
+ <GRAPH>
+ uriRef = IRI() {
+ return uriRef; }
+}
+
+/* [47] GraphRefAll ::= GraphRef | 'DEFAULT_T' | 'NAMED' | 'ALL' */
+private GraphRefAllSpec GraphRefAll() : {
+ IRI uriRef;
+ GraphRefAllSpec graphRefAllSpec = new GraphRefAllSpec(); } {
+ (
+ uriRef = GraphRef() {
+ graphRefAllSpec.setGraph(uriRef);
+ graphRefAllSpec.setGraphSpec(GraphSpec.GRAPH); }
+ |
+ <DEFAULT_T> {
+ graphRefAllSpec.setGraphSpec(GraphSpec.DEFAULT); }
+ |
+ <NAMED> {
+ graphRefAllSpec.setGraphSpec(GraphSpec.NAMED); }
+ |
+ <ALL> {
+ graphRefAllSpec.setGraphSpec(GraphSpec.ALL); }
+ ) {
+ return graphRefAllSpec; }
+}
+
+/* [48] QuadPattern ::= '{' Quads '}' */
+private void QuadPattern(UpdateOperationWithQuads operation) : {} {
+ "{"
+ Quads(operation)
+ "}"
+}
+
+/* [49] QuadData ::= '{' Quads '}' */
+private void QuadData(UpdateOperationWithQuads operation) : {} {
+ "{"
+ Quads(operation)
+ "}"
+}
+
+/* [50] Quads ::= TriplesTemplate? ( QuadsNotTriples '.'? TriplesTemplate? )* */
+private void Quads(UpdateOperationWithQuads operation) : {
+ Set<TriplePattern> triplePatterns; } {
+ (
+ triplePatterns=TriplesTemplate() {
+ operation.addQuad(triplePatterns); }
+ )?
+ (
+ QuadsNotTriples(operation)
+ ( "." )?
+ (
+ triplePatterns=TriplesTemplate() {
+ operation.addQuad(triplePatterns); }
+ )?
+ )*
+}
+
+/* [51] QuadsNotTriples ::= 'GRAPH' VarOrIRI '{' TriplesTemplate? '}' */
+private void QuadsNotTriples(UpdateOperationWithQuads operation) : {
+ UriRefOrVariable graph;
+ Set<TriplePattern> triplePatterns = null; } {
+
+ <GRAPH>
+ graph=VarOrIRI()
+ "{"
+ (
+ triplePatterns=TriplesTemplate()
+ )?
+ "}" {
+ operation.addQuad(graph, triplePatterns); }
+}
+
+/* [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() {
+ ((SimpleGroupGraphPattern) 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;
+ RDFTerm val; } {
+
+ var=Var() {
+ ((SimpleInlineData) inlineData).addVariable(var); }
+ "{"
+ (
+ val=DataBlockValue() {
+ List<RDFTerm> values = new ArrayList<RDFTerm>();
+ values.add(val);
+ ((SimpleInlineData) inlineData).addValues(values); }
+ )*
+ "}"
+}
+
+/* [64] InlineDataFull ::= ( NIL | '(' Var* ')' ) '{' ( '(' DataBlockValue* ')' | NIL )* '}' */
+private void InlineDataFull(InlineData inlineData) : {
+ Variable var;
+ RDFTerm val; } {
+ (
+ <NIL>
+ |
+ "("
+ (
+ var=Var() {
+ ((SimpleInlineData) inlineData).addVariable(var); }
+ )*
+
+ ")"
+ )
+ "{"
+ (
+ (
+ "(" {
+ List<RDFTerm> values = new ArrayList<RDFTerm>(); }
+ (
+ val=DataBlockValue() {
+ values.add(val); }
+ )*
+ ")" {
+ ((SimpleInlineData) inlineData).addValues(values); }
+ )
+ |
+ <NIL> {
+ ((SimpleInlineData) inlineData).addValues(new ArrayList<RDFTerm>()); }
+ )*
+ "}"
+}
+
+/* [65] DataBlockValue ::= iri | RDFLiteral | NumericLiteral | BooleanLiteral | 'UNDEF' */
+private RDFTerm DataBlockValue() : {
+ RDFTerm 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() : {
+ IRI name;
+ List<Expression> arguments; } {
+
+ name=IRI()
+ arguments=ArgList() {
+ return new FunctionCall(name, arguments); }
+}
+
+/* [71] ArgList ::= NIL | '(' 'DISTINCT'? Expression ( ',' Expression )* ')' */
+private List<Expression> ArgList() : {
+ List<Expression> args = new ArrayList<Expression>();
+ Expression e; } {
+
+ (
+ <NIL>
+ |
+ (
+ "("
+ (
+ <DISTINCT>
+ )?
+ e=Expression() {
+ args.add(e); }
+ (
+ ","
+ e=Expression() {
+ args.add(e); }
+ )*
+ ")"
+ )
+ ) {
+ return args; }
+}
+
+/* [72] ExpressionList ::= NIL | '(' Expression ( ',' Expression )* ')' */
+private List<Expression> ExpressionList() : {
+ List<Expression> args = new ArrayList<Expression>();
+ Expression e; } {
+
+ (
+ <NIL>
+ |
+ (
+ "("
+ e=Expression() {
+ args.add(e); }
+ (
+ ","
+ e=Expression() {
+ args.add(e); }
+ )*
+ ")"
+ )
+ ) {
+ return args; }
+}
+
+/* [73] ConstructTemplate ::= '{' ConstructTriples? '}' */
+private Set<TriplePattern> ConstructTemplate() : {
+ Set<TriplePattern> triplePatterns = null; } {
+
+ "{"
+ (
+ triplePatterns=ConstructTriples()
+ )?
+ "}" {
+ return triplePatterns; }
+}
+
+/* [74] ConstructTriples ::= TriplesSameSubject ( '.' ConstructTriples? )? */
+private Set<TriplePattern> ConstructTriples() : {
+ Set<TriplePattern> triplePatterns, t; } {
+
+ triplePatterns=TriplesSameSubject()
+ (
+ "."
+ (
+ t=ConstructTriples() {
+ triplePatterns.addAll(t); }
+ )?
+ )? {
+ return triplePatterns; }
+}
+
+/* [75] TriplesSameSubject ::= VarOrTerm PropertyListNotEmpty | TriplesNode PropertyList */
+private Set<TriplePattern> TriplesSameSubject() : {
+ Set<TriplePattern> triplePatterns = new LinkedHashSet<TriplePattern>();
+ ResourceOrVariable subject; } {
+
+ ( subject=VarOrTerm() PropertyListNotEmpty(subject, triplePatterns) {
+ return triplePatterns; }
+ )
+ |
+ ( subject=TriplesNode(triplePatterns) PropertyList(subject, triplePatterns) {
+ return triplePatterns; }
+ )
+}
+
+/* [76] PropertyList ::= PropertyListNotEmpty? */
+private void PropertyList(ResourceOrVariable subject, Set<TriplePattern> triplePatterns) : { } {
+ ( PropertyListNotEmpty(subject, triplePatterns) )?
+}
+
+/* [77] PropertyListNotEmpty ::= Verb ObjectList ( ';' ( Verb ObjectList )? )* */
+private void PropertyListNotEmpty(ResourceOrVariable subject, Set<TriplePattern> triplePatterns) : {
+ UriRefOrVariable predicate;
+ Set<ResourceOrVariable> objects; } {
+ predicate=Verb()
+ objects=ObjectList(triplePatterns) {
+ addTriplePatterns(triplePatterns, subject, predicate, objects); }
+
+ ( ";"
+ ( predicate=Verb() objects=ObjectList(triplePatterns) {
+ addTriplePatterns(triplePatterns, subject, predicate, objects); }
+ )?
+ )*
+}
+
+/* [78] Verb ::= VarOrIRI | 'a' */
+private UriRefOrVariable Verb() : {
+ UriRefOrVariable predicate; } {
+
+ predicate=VarOrIRI() {
+ return predicate; }
+ | "a" {
+ return new UriRefOrVariable(RDF_TYPE); }
+}
+
+/* [79] ObjectList ::= Object ( ',' Object )* */
+private Set<ResourceOrVariable> ObjectList(Set<TriplePattern> triplePatterns) : {
+ ResourceOrVariable object; } {
+
+ {
+ Set<ResourceOrVariable> objects = new LinkedHashSet<ResourceOrVariable>();
+ }
+ object=Object(triplePatterns) {
+ objects.add(object); }
+
+ ( ","
+ object=Object(triplePatterns) {
+ objects.add(object); }
+ )* {
+ return objects; }
+}
+
+/* [80] Object ::= GraphNode */
+private ResourceOrVariable Object(Set<TriplePattern> triplePatterns) : {
+ ResourceOrVariable object; } {
+
+ object=GraphNode(triplePatterns) {
+ return object; }
+}
+
+/* [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;
+ IRI 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() : {
+ IRI 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 */
+private ResourceOrVariable TriplesNode(Set<TriplePattern> triplePatterns) : {
+ ResourceOrVariable subject; } {
+ (
+ subject=Collection(triplePatterns)
+ |
+ subject=BlankNodePropertyList(triplePatterns)
+ ) {
+ return subject; }
+}
+
+/* [99] BlankNodePropertyList ::= '[' PropertyListNotEmpty ']' */
+private ResourceOrVariable BlankNodePropertyList(Set<TriplePattern> triplePatterns) : { } {
+ {
+ ResourceOrVariable subject = getNewBNode();
+ }
+ "["
+ PropertyListNotEmpty(subject, triplePatterns)
+ "]" {
+ return subject; }
+}
+
+/* [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) : {
+ ResourceOrVariable node;
+ 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 addPropertyPathPatterns(propertyPathPatterns, nodes); }
+}
+
+/* [104] GraphNode ::= VarOrTerm | TriplesNode */
+private ResourceOrVariable GraphNode(Set<TriplePattern> triplePatterns) : {
+ ResourceOrVariable node; } {
+ (
+ node=VarOrTerm()
+ |
+ node=TriplesNode(triplePatterns)
+ ) {
+ return node; }
+}
+
+/* [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() : {
+ ResourceOrVariable r;
+ Variable v; } {
+
+ (
+ v=Var() {
+ return new ResourceOrVariable(v); }
+ |
+ r=GraphTerm() {
+ return r; }
+ )
+}
+
+/* [107] VarOrIRI ::= Var | iri */
+private UriRefOrVariable VarOrIRI() : {
+ Variable var;
+ IRI uriRef; } {
+
+ (
+ var=Var() {
+ return new UriRefOrVariable(var); }
+ |
+ uriRef=IRI() {
+ return new UriRefOrVariable(uriRef); }
+ )
+}
+
+/* [108] Var ::= VAR1 | VAR2 */
+private Variable Var() : {
+ Token t;} {
+
+ (t=<VAR1> | t=<VAR2>) {
+ return createVariable(t.image); }
+}
+
+/* [109] GraphTerm ::= IRI | RDFLiteral | NumericLiteral | BooleanLiteral | BlankNode | NIL */
+private ResourceOrVariable GraphTerm() : {
+ ResourceOrVariable bNode = null;
+ RDFTerm r = null; } {
+
+ (r=IRI() | r=RDFLiteral() | r=NumericLiteral() | r=BooleanLiteral() | bNode=BlankNode() | <NIL> {
+ r = RDF_NIL; }) {
+ if (bNode == null) {
+ return new ResourceOrVariable(r);
+ }
+ return bNode; }
+}
+
+/* [110] Expression ::= ConditionalOrExpression */
+private Expression Expression() : {
+ Expression e; } {
+
+ e=ConditionalOrExpression() {
+ return e; }
+}
+
+/* [111] ConditionalOrExpression ::= ConditionalAndExpression ( '||' ConditionalAndExpression )* */
+private Expression ConditionalOrExpression() : {
+ Expression e, ae; } {
+
+ e=ConditionalAndExpression()
+ (
+ "||" ae=ConditionalAndExpression() {
+ e = new BinaryOperation("||", e, ae); }
+ )* {
+ return e; }
+}
+
+/* [112] ConditionalAndExpression ::= ValueLogical ( '&&' ValueLogical )* */
+private Expression ConditionalAndExpression() : {
+ Expression e, e2; } {
+
+ e=ValueLogical()
+ (
+ "&&" e2=ValueLogical() {
+ e = new BinaryOperation("&&", e, e2); }
+ )* {
+ return e; }
+}
+
+/* [113] ValueLogical ::= RelationalExpression */
+private Expression ValueLogical() : {
+ Expression e; } {
+
+ e=RelationalExpression() {
+ return e; }
+}
+
+/* [114] RelationalExpression ::= NumericExpression ( '=' NumericExpression | '!=' NumericExpression | '<' NumericExpression | '>' NumericExpression | '<=' NumericExpression | '>=' NumericExpression | 'IN' ExpressionList | 'NOT' 'IN' ExpressionList )? */
+private Expression RelationalExpression() : {
+ Expression e, e2;
+ List<Expression> l; } {
+
+ e=NumericExpression()
+ (
+ "=" e2=NumericExpression() {
+ e = new BinaryOperation("=", e, e2); }
+ |
+ "!=" e2=NumericExpression() {
+ e = new BinaryOperation("!=", e, e2); }
+ |
+ "<" e2=NumericExpression() {
+ e = new BinaryOperation("<", e, e2); }
+ |
+ ">" e2=NumericExpression() {
+ e = new BinaryOperation(">", e, e2); }
+ |
+ "<=" e2=NumericExpression() {
+ e = new BinaryOperation("<=", e, e2); }
+ |
+ ">=" e2=NumericExpression() {
+ e = new BinaryOperation(">=", e, e2); }
+ |
+ <IN> l=ExpressionList() {
+ e = new RhsListBinaryOperation("IN", e, l); }
+ |
+ <NOT> <IN> l=ExpressionList() {
+ e = new RhsListBinaryOperation("NOT IN", e, l); }
+ )? {
+ return e; }
+}
+
+/* [115] NumericExpression ::= AdditiveExpression */
+private Expression NumericExpression() : {
+ Expression e; } {
+
+ e=AdditiveExpression() {
+ return e; }
+}
+
+/* [116] AdditiveExpression ::= MultiplicativeExpression ( '+' MultiplicativeExpression | '-' MultiplicativeExpression | ( NumericLiteralPositive | NumericLiteralNegative ) ( ( '*' UnaryExpression ) | ( '/' UnaryExpression ) )* )* */
+private Expression AdditiveExpression() : {
+ Expression e, e2, u;
+ Literal l; } {
+
+ e=MultiplicativeExpression()
+ (
+ "+" e2=MultiplicativeExpression() {
+ e = new BinaryOperation("+", e, e2); }
+ |
+ "-" e2=MultiplicativeExpression() {
+ e = new BinaryOperation("-", e, e2); }
+ |
+ (
+ (
+ l=NumericLiteralPositive()
+ |
+ l=NumericLiteralNegative()
+ ) {
+ e2 = new LiteralExpression(l); }
+ (
+ "*" u=UnaryExpression() {
+ e2 = new BinaryOperation("*", e2, u); }
+ |
+ "/" u=UnaryExpression() {
+ e2 = new BinaryOperation("/", e2, u); }
+ )*
+ ) {
+ e = new BinaryOperation("+", e, e2); }
+ )* {
+ return e; }
+}
+
+/* [117] MultiplicativeExpression ::= UnaryExpression ( '*' UnaryExpression | '/' UnaryExpression )* */
+private Expression MultiplicativeExpression() : {
+ Expression e, e2; } {
+
+ e=UnaryExpression()
+ (
+ "*" e2=UnaryExpression() {
+ e = new BinaryOperation("*", e, e2); }
+ |
+ "/" e2=UnaryExpression() {
+ e = new BinaryOperation("/", e, e2); }
+ )* {
+ return e; }
+}
+
+/* [118] UnaryExpression ::= '!' PrimaryExpression | '+' PrimaryExpression | '-' PrimaryExpression | PrimaryExpression */
+private Expression UnaryExpression() : {
+ Expression e; } {
+
+ "!" e=PrimaryExpression() {
+ return new UnaryOperation("!", e); }
+ |
+ "+" e=PrimaryExpression() {
+ return new UnaryOperation("+", e); }
+ |
+ "-" e=PrimaryExpression() {
+ return new UnaryOperation("-", e); }
+ |
+ e=PrimaryExpression() {
+ return e; }
+}
+
+/* [119] PrimaryExpression ::= BrackettedExpression | BuiltInCall | iriOrFunction | RDFLiteral | NumericLiteral | BooleanLiteral | Var */
+private Expression PrimaryExpression() : {
+ Expression e = null;
+ Literal l = null; } {
+
+ (
+ e=BrackettedExpression()
+/* There is a capture all names in BuiltInCall, so put it last
+ |
+ e=BuiltInCall()
+*/
+ |
+ e=IRIOrFunction()
+ |
+ l=RDFLiteral()
+ |
+ l=NumericLiteral()
+ |
+ l=BooleanLiteral()
+ |
+ e=Var()
+ |
+ e=BuiltInCall()
+ ) {
+ if (l != null) {
+ return new LiteralExpression(l);
+ }
+ return e; }
+}
+
+/* [120] BrackettedExpression ::= '(' Expression ')' */
+private Expression BrackettedExpression() : {
+ Expression e; } {
+
+ "("
+ e=Expression()
+ ")" {
+ return e; }
+}
+
+/* [121] BuiltInCall ::= Aggregate
+| 'STR' '(' Expression ')'
+| 'LANG' '(' Expression ')'
+| 'LANGMATCHES' '(' Expression ',' Expression ')'
+| 'DATATYPE' '(' Expression ')'
+| 'BOUND' '(' Var ')'
+| 'IRI' '(' Expression ')'
+| 'URI' '(' Expression ')'
+| 'BNODE' ( '(' Expression ')' | NIL )
+| 'RAND' NIL
+| 'ABS' '(' Expression ')'
+| 'CEIL' '(' Expression ')'
+| 'FLOOR' '(' Expression ')'
+| 'ROUND' '(' Expression ')'
+| 'CONCAT' ExpressionList
+| SubstringExpression
+| 'STRLEN' '(' Expression ')'
+| StrReplaceExpression
+| 'UCASE' '(' Expression ')'
+| 'LCASE' '(' Expression ')'
+| 'ENCODE_FOR_URI' '(' Expression ')'
+| 'CONTAINS' '(' Expression ',' Expression ')'
+| 'STRSTARTS' '(' Expression ',' Expression ')'
+| 'STRENDS' '(' Expression ',' Expression ')'
+| 'STRBEFORE' '(' Expression ',' Expression ')'
+| 'STRAFTER' '(' Expression ',' Expression ')'
+| 'YEAR' '(' Expression ')'
+| 'MONTH' '(' Expression ')'
+| 'DAY' '(' Expression ')'
+| 'HOURS' '(' Expression ')'
+| 'MINUTES' '(' Expression ')'
+| 'SECONDS' '(' Expression ')'
+| 'TIMEZONE' '(' Expression ')'
+| 'TZ' '(' Expression ')'
+| 'NOW' NIL
+| 'UUID' NIL
+| 'STRUUID' NIL
+| 'MD5' '(' Expression ')'
+| 'SHA1' '(' Expression ')'
+| 'SHA256' '(' Expression ')'
+| 'SHA384' '(' Expression ')'
+| 'SHA512' '(' Expression ')'
+| 'COALESCE' ExpressionList
+| 'IF' '(' Expression ',' Expression ',' Expression ')'
+| 'STRLANG' '(' Expression ',' Expression ')'
+| 'STRDT' '(' Expression ',' Expression ')'
+| 'sameTerm' '(' Expression ',' Expression ')'
+| 'isIRI' '(' Expression ')'
+| 'isURI' '(' Expression ')'
+| 'isBLANK' '(' Expression ')'
+| 'isLITERAL' '(' Expression ')'
+| 'isNUMERIC' '(' Expression ')'
+| RegexExpression
+| ExistsFunc
+| NotExistsFunc
+
+[122] RegexExpression ::= 'REGEX' '(' Expression ',' Expression ( ',' Expression )? ')'
+[123] SubstringExpression ::= 'SUBSTR' '(' Expression ',' Expression ( ',' Expression )? ')'
+[124] StrReplaceExpression ::= 'REPLACE' '(' Expression ',' Expression ',' Expression ( ',' Expression )? ')'
+
+[127] Aggregate ::= 'COUNT' '(' 'DISTINCT'? ( '*' | Expression ) ')'
+| 'SUM' '(' 'DISTINCT'? Expression ')'
+| 'MIN' '(' 'DISTINCT'? Expression ')'
+| 'MAX' '(' 'DISTINCT'? Expression ')'
+| 'AVG' '(' 'DISTINCT'? Expression ')'
+| 'SAMPLE' '(' 'DISTINCT'? Expression ')'
+| 'GROUP_CONCAT' '(' 'DISTINCT'? Expression ( ';' 'SEPARATOR' '=' String )? ')'
+
+*/
+
+private BuiltInCall BuiltInCall() : {
+ List<Expression> args = new ArrayList<Expression>();
+ String name, s;
+ Expression e; } {
+ (
+ <GROUP_CONCAT> {
+ name = "GROUP_CONCAT"; }
+ "("
+ (
+ <DISTINCT>
+ )?
+ (
+ e=Expression() {
+ args.add(e); }
+ (
+ ";"
+ <SEPARATOR>
+ "="
+ s = String()
+ )?
+ )
+ ")"
+ |
+ <BOUND> {
+ name = "BOUND"; }
+ "("
+ e=Var() {
+ args.add(e); }
+ ")"
+ |
+ <BNODE> {
+ name = "BNODE"; }
+ (
+ (
+ "("
+ e=Expression() {
+ args.add(e); }
+ ")"
+ )
+ |
+ <NIL>
+ )
+ |
+ <RAND> {
+ name = "RAND"; }
+ <NIL>
+ |
+ <CONCAT> {
+ name = "CONCAT"; }
+ args=ExpressionList()
+ |
+ <NOW> {
+ name = "NOW"; }
+ <NIL>
+ |
+ <UUID> {
+ name = "UUID"; }
+ <NIL>
+ |
+ <STRUUID> {
+ name = "STRUUID"; }
+ <NIL>
+ |
+ <COALESCE> {
+ name = "COALESCE"; }
+ args=ExpressionList()
+ |
+ e=NotExistsFunc() {
+ return (BuiltInCall) e; }
+ |
+ e=ExistsFunc() {
+ return (BuiltInCall) e; }
+ |
+ name=BuiltInCallName()
+ "("
+ (
+ <DISTINCT>
+ )?
+ (
+ "*"
+ |
+ (
+ e=Expression() {
+ args.add(e); }
+ (
+ ","
+ e=Expression() {
+ args.add(e); }
+ )*
+ )
+ )
+ ")"
+ ) {
+ return new BuiltInCall(name, args); }
+}
+
+private String BuiltInCallName() : {
+ Token t;} {
+
+ t=<BUILT_IN_CALL_NAME> {
+ return t.image; }
+}
+
+/* [125] ExistsFunc ::= 'EXISTS' GroupGraphPattern */
+private Expression ExistsFunc() : {
+ GroupGraphPattern pattern;
+ PatternExistenceCondition patternExistenceCondition; } {
+
+ <EXISTS>
+ pattern = GroupGraphPattern() {
+ patternExistenceCondition = new PatternExistenceCondition();
+ patternExistenceCondition.setPattern(pattern);
+ return patternExistenceCondition; }
+}
+
+/* [126] NotExistsFunc ::= 'NOT' 'EXISTS' GroupGraphPattern */
+private Expression NotExistsFunc() : {
+ GroupGraphPattern pattern;
+ PatternExistenceCondition patternExistenceCondition; } {
+
+ <NOT> <EXISTS>
+ pattern = GroupGraphPattern() {
+ patternExistenceCondition = new PatternExistenceCondition();
+ patternExistenceCondition.setPattern(pattern);
+ patternExistenceCondition.setExistenceTest(false);
+ return patternExistenceCondition; }
+}
+
+/* [128] IRIOrFunction ::= iri ArgList? */
+private Expression IRIOrFunction() : {
+ IRI uriRef;
+ List<Expression> args; } {
+
+ uriRef=IRI()
+ (
+ args=ArgList() {
+ return new FunctionCall(uriRef, args); }
+ )? {
+ return new UriRefExpression(uriRef); }
+}
+
+/* [129] RDFLiteral ::= String ( LANGTAG | ( '^^' iri ) )? */
+private Literal RDFLiteral() : {
+ Token t;
+ String s;
+ IRI type; } {
+
+ s = String()
+ (
+ t=<LANGTAG> {
+ return new PlainLiteralImpl(s, new Language(t.image.substring(1))); }
+ |
+ (
+ "^^"
+ type=IRI() {
+ return new TypedLiteralImpl(s, type); }
+ )
+ )? {
+ return new PlainLiteralImpl(s); }
+}
+
+/* [130] NumericLiteral ::= NumericLiteralUnsigned | NumericLiteralPositive | NumericLiteralNegative */
+private Literal NumericLiteral() : {
+ Literal l; } {
+
+ (
+ l=NumericLiteralUnsigned()
+ |
+ l=NumericLiteralPositive()
+ |
+ l=NumericLiteralNegative()
+ ) {
+ return l; }
+}
+
+/* [131] NumericLiteralUnsigned ::= INTEGER | DECIMAL | DOUBLE */
+private Literal NumericLiteralUnsigned() : {
+ Token t; } {
+
+ t=<INTEGER> {
+ return LiteralFactory.getInstance().createTypedLiteral(Long.valueOf(t.image)); }
+ |
+ t=<DECIMAL> {
+ return LiteralFactory.getInstance().createTypedLiteral(Float.valueOf(t.image)); }
+ |
+ t=<DOUBLE> {
+ return LiteralFactory.getInstance().createTypedLiteral(Double.valueOf(t.image)); }
+}
+
+/* [132] NumericLiteralPositive ::= INTEGER_POSITIVE | DECIMAL_POSITIVE | DOUBLE_POSITIVE */
+private Literal NumericLiteralPositive() : {
+ Token t; } {
+
+ t=<INTEGER_POSITIVE> {
+ return LiteralFactory.getInstance().createTypedLiteral(Long.valueOf(t.image)); }
+ |
+ t=<DECIMAL_POSITIVE> {
+ return LiteralFactory.getInstance().createTypedLiteral(Float.valueOf(t.image)); }
+ |
+ t=<DOUBLE_POSITIVE> {
+ return LiteralFactory.getInstance().createTypedLiteral(Double.valueOf(t.image)); }
+}
+
+/* [133] NumericLiteralNegative ::= INTEGER_NEGATIVE | DECIMAL_NEGATIVE | DOUBLE_NEGATIVE */
+private Literal NumericLiteralNegative() : {
+ Token t; } {
+
+ t=<INTEGER_NEGATIVE> {
+ return LiteralFactory.getInstance().createTypedLiteral(Long.valueOf(t.image)); }
+ |
+ t=<DECIMAL_NEGATIVE> {
+ return LiteralFactory.getInstance().createTypedLiteral(Float.valueOf(t.image)); }
+ |
+ t=<DOUBLE_NEGATIVE> {
+ return LiteralFactory.getInstance().createTypedLiteral(Double.valueOf(t.image)); }
+}
+
+/* [134] BooleanLiteral ::= 'true' | 'false' */
+private Literal BooleanLiteral() : {} {
+
+ <TRUE> {
+ return LiteralFactory.getInstance().createTypedLiteral(true); }
+ |
+ <FALSE> {
+ return LiteralFactory.getInstance().createTypedLiteral(false); }
+}
+
+/* [135] String ::= STRING_LITERAL1 | STRING_LITERAL2 | STRING_LITERAL_LONG1 | STRING_LITERAL_LONG2 */
+private String String() : {
+ Token t; } {
+
+ t=<STRING_LITERAL1> {
+ return unquote(t.image) ; }
+ |
+ t=<STRING_LITERAL2> {
+ return unquote(t.image) ; }
+ |
+ t=<STRING_LITERAL_LONG1> {
+ return unTripleQuote(t.image) ; }
+ |
+ t=<STRING_LITERAL_LONG2> {
+ return unTripleQuote(t.image) ; }
+}
+
+/* [136] iri ::= IRIREF | PrefixedName */
+private IRI IRI() : {
+ IRI uriRef;
+ Token t; } {
+
+ t=<IRIREF> {
+ return createUriRef(unquote(t.image)); }
+ |
+ uriRef=PrefixedName() {
+ return uriRef; }
+}
+
+/* [137] PrefixedName ::= PNAME_LN | PNAME_NS */
+private IRI PrefixedName() : {
+ Token t; } {
+
+ ( t=<PNAME_LN> | t=<PNAME_NS> ) {
+ return createUriRef(t.image); }
+}
+
+/* [138] BlankNode ::= BLANK_NODE_LABEL | ANON */
+private ResourceOrVariable BlankNode() : {
+ Token t; } {
+
+ t=<BLANK_NODE_LABEL> {
+ return getBNode(t.image); }
+ |
+ <ANON> {
+ return getNewBNode(); }
+}
+
+
+TOKEN : {
+ /* [139] IRIREF ::= '<' ([^<>"{}|^`\]-[#x00-#x20])* '>' */
+ < IRIREF : "<" ( ~["<", ">", "\"", "{", "}", "|", "^", "`", "\\", "\u0000"-"\u0020"] )* ">" >
+ |
+ /* [140] PNAME_NS ::= PN_PREFIX? ':' */
+ < PNAME_NS : (<PN_PREFIX>)? ":" >
+ |
+ /* [141] PNAME_LN ::= PNAME_NS PN_LOCAL */
+ < PNAME_LN : <PNAME_NS> <PN_LOCAL> >
+ |
+ /* [142] BLANK_NODE_LABEL ::= '_:' ( PN_CHARS_U | [0-9] ) ((PN_CHARS|'.')* PN_CHARS)? */
+ < BLANK_NODE_LABEL : "_:" ( <PN_CHARS_U> | ["0"-"9"] ) ( ( <PN_CHARS> | "." )* <PN_CHARS> )? >
+ |
+ /* [143] VAR1 ::= '?' VARNAME */
+ < VAR1 : "?" <VARNAME> >
+ |
+ /* [144] VAR2 ::= '$' VARNAME */
+ < VAR2 : "$" <VARNAME> >
+ |
+ /* [145] LANGTAG ::= '@' [a-zA-Z]+ ('-' [a-zA-Z0-9]+)* */
+ < LANGTAG : "@" (["a"-"z", "A"-"Z"])+ ( "-" (["a"-"z", "A"-"Z", "0"-"9"])+ )* >
+ |
+ < BUILT_IN_CALL_NAME : ["a"-"z", "A"-"Z", "_"] (["a"-"z", "A"-"Z", "0"-"9", "_"])* >
+}
+
+TOKEN : {
+ < #Z_9 : ["0"-"9"] >
+ |
+ < #Z_9r : (<Z_9>)+ >
+ |
+ < #Z_9o : (<Z_9>)* >
+ |
+ /* [146] INTEGER ::= [0-9]+ */
+ < INTEGER : <Z_9r> >
+ |
+ /* [147] DECIMAL ::= [0-9]* '.' [0-9]+ */
+ < DECIMAL : <Z_9o> "." <Z_9r> >
+ |
+ /* [148] DOUBLE ::= [0-9]+ '.' [0-9]* EXPONENT | '.' ([0-9])+ EXPONENT | ([0-9])+ EXPONENT */
+ < DOUBLE : ( <Z_9r> "." <Z_9o> <EXPONENT> ) | ( "." <Z_9r> <EXPONENT> ) | ( <Z_9r> <EXPONENT> ) >
+ |
+ /* [149] INTEGER_POSITIVE ::= '+' INTEGER */
+ < INTEGER_POSITIVE : "+" <INTEGER> >
+ |
+ /* [150] DECIMAL_POSITIVE ::= '+' DECIMAL */
+ < DECIMAL_POSITIVE : "+" <DECIMAL> >
+ |
+ /* [151] DOUBLE_POSITIVE ::= '+' DOUBLE */
+ < DOUBLE_POSITIVE : "+" <DOUBLE> >
+ |
+ /* [152] INTEGER_NEGATIVE ::= '-' INTEGER */
+ < INTEGER_NEGATIVE : "-" <INTEGER> >
+ |
+ /* [153] DECIMAL_NEGATIVE ::= '-' DECIMAL */
+ < DECIMAL_NEGATIVE : "-" <DECIMAL> >
+ |
+ /* [154] DOUBLE_NEGATIVE ::= '-' DOUBLE */
+ < DOUBLE_NEGATIVE : "-" <DOUBLE> >
+ |
+ /* [155] EXPONENT ::= [eE] [+-]? [0-9]+ */
+ < #EXPONENT : ["e","E"] (["+","-"])? <Z_9r> >
+}
+
+TOKEN : {
+ /* [156] STRING_LITERAL1 ::= "'" ( ([^#x27#x5C#xA#xD]) | ECHAR )* "'" */
+ < STRING_LITERAL1 : "'" ( ~["'", "\\", "\r", "\n"] | <ECHAR> )* "'" >
+ |
+ /* [157] STRING_LITERAL2 ::= '"' ( ([^#x22#x5C#xA#xD]) | ECHAR )* '"' */
+ < STRING_LITERAL2 : "\"" ( ~["\"", "\\", "\r", "\n"] | <ECHAR> )* "\"" >
+ |
+ /* [158] STRING_LITERAL_LONG1 ::= "'''" ( ( "'" | "''" )? ( [^'\] | ECHAR ) )* "'''" */
+ < STRING_LITERAL_LONG1 : "'''" ( ( "'" | "''" )? ( ~["'","\\"] | <ECHAR> ) )* "'''" >
+ |
+ /* [159] STRING_LITERAL_LONG2 ::= '"""' ( ( '"' | '""' )? ( [^"\] | ECHAR ) )* '"""' */
+ < STRING_LITERAL_LONG2 : "\"\"\"" ( ( "\"" | "\"\"" )? ( ~["\"","\\"] | <ECHAR> ) )* "\"\"\"" >
+ |
+ /* [160] #ECHAR ::= '\' [tbnrf\"'] */
+ < #ECHAR : "\\" ["t","b","n","r","f","\\","\"","'"] >
+}
+
+TOKEN : {
+ /* [161] NIL ::= '(' WS* ')' */
+ < NIL : "(" (<WS>)* ")" >
+ |
+ /* [162] WS ::= #x20 | #x9 | #xD | #xA */
+ < #WS : " " | "\t" | "\n" | "\r" >
+ |
+ /* [163] ANON ::= '[' WS* ']' */
+ < ANON : "[" (<WS>)* "]" >
+}
+
+TOKEN : {
+ /* [164] #PN_CHARS_BASE ::= [A-Z] | [a-z] | [#x00C0-#x00D6] | [#x00D8-#x00F6] | [#x00F8-#x02FF] | [#x0370-#x037D] | [#x037F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF] */
+ < #PN_CHARS_BASE : ["A"-"Z", "a"-"z", "\u00C0"-"\u00D6", "\u00D8"-"\u00F6", "\u00F8"-"\u02FF", "\u0370"-"\u037D", "\u037F"-"\u1FFF", "\u200C"-"\u200D", "\u2070"-"\u218F", "\u2C00"-"\u2FEF", "\u3001"-"\uD7FF", "\uF900"-"\uFDCF", "\uFDF0"-"\uFFFD"] >
+ |
+ /* [165] #PN_CHARS_U ::= PN_CHARS_BASE | '_' */
+ < #PN_CHARS_U : <PN_CHARS_BASE> | "_" >
+ |
+ /* [166] #VARNAME ::= ( PN_CHARS_U | [0-9] ) ( PN_CHARS_U | [0-9] | #x00B7 | [#x0300-#x036F] | [#x203F-#x2040] )* */
+ < #VARNAME : (<PN_CHARS_U> | <Z_9>) (<PN_CHARS_U> | <Z_9> | "\u00b7" | ["\u0300"-"\u036f"] | ["\u203f"-"\u2040"])* >
+ |
+ /* [167] #PN_CHARS ::= PN_CHARS_U | '-' | [0-9] | #x00B7 | [#x0300-#x036F] | [#x203F-#x2040] */
+ < #PN_CHARS : <PN_CHARS_U> | "-" | <Z_9> | "\u00b7" | ["\u0300"-"\u036f"] | ["\u203f"-"\u2040"] >
+ |
+ /* [168] PN_PREFIX ::= PN_CHARS_BASE ((PN_CHARS|'.')* PN_CHARS)? */
+ < PN_PREFIX : <PN_CHARS_BASE> ((<PN_CHARS> | "." )* <PN_CHARS>)? >
+ |
+ /* [169] PN_LOCAL ::= ( PN_CHARS_U | ':' | [0-9] | PLX ) ((PN_CHARS | '.' | ':' | PLX)* (PN_CHARS | ':' | PLX) )? */
+ /* Note that SPARQL local names allow leading digits while XML local names do not. */
+ < PN_LOCAL : (<PN_CHARS_U> | ":" | <Z_9> | <PLX>) ((<PN_CHARS> | "." | ":" | <PLX>)* (<PN_CHARS> | ":" | <PLX>) )? >
+ |
+ /* [170] PLX ::= PERCENT | PN_LOCAL_ESC */
+ < PLX : <PERCENT> | <PN_LOCAL_ESC> >
+ |
+ /* [171] PERCENT ::= '%' HEX HEX */
+ < PERCENT : "%" <HEX> <HEX> >
+ |
+ /* [172] HEX ::= [0-9] | [A-F] | [a-f] */
+ < #HEX : <Z_9> | ["A"-"F", "a"-"f"] >
+ |
+ /* [173] PN_LOCAL_ESC ::= '\' ( '_' | '~' | '.' | '-' | '!' | '$' | '&' | "'" | '(' | ')' | '*' | '+' | ',' | ';' | '=' | '/' | '?' | '#' | '@' | '%' ) */
+ < PN_LOCAL_ESC : "\\" ( "_" | "~" | "." | "-" | "!" | "$" | "&" | "'" | "(" | ")" | "*" | "+" | "," | ";" | "=" | "/" | "?" | "#" | "@" | "%" ) >
+}
http://git-wip-us.apache.org/repos/asf/clerezza/blob/eec0ac73/sparql/src/test/java/org/apache/clerezza/sparql/QueryParserSerializerCombinationTest.java
----------------------------------------------------------------------
diff --git a/sparql/src/test/java/org/apache/clerezza/sparql/QueryParserSerializerCombinationTest.java b/sparql/src/test/java/org/apache/clerezza/sparql/QueryParserSerializerCombinationTest.java
new file mode 100644
index 0000000..b84c388
--- /dev/null
+++ b/sparql/src/test/java/org/apache/clerezza/sparql/QueryParserSerializerCombinationTest.java
@@ -0,0 +1,135 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.clerezza.sparql;
+
+import org.apache.clerezza.sparql.query.Query;
+import org.junit.*;
+
+/**
+ *
+ * @author hasan
+ */
+public class QueryParserSerializerCombinationTest {
+
+ public QueryParserSerializerCombinationTest() {
+ }
+
+ @BeforeClass
+ public static void setUpClass() {
+ }
+
+ @AfterClass
+ public static void tearDownClass() {
+ }
+
+ @Before
+ public void setUp() {
+ }
+
+ @After
+ public void tearDown() {
+ }
+
+ @Test
+ public void testPatternOrderPreservation() throws Exception {
+ String queryString =
+ "SELECT ?property ?range ?property_description ?subproperty ?subproperty_description \n"
+ + "WHERE\n"
+ + "{ ?property <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#ObjectProperty> .\n"
+ + "{ { ?property <http://www.w3.org/2000/01/rdf-schema#domain> ?superclass .\n"
+ + "<http://example.org/ontologies/market_ontology.owl#Company> <http://www.w3.org/2000/01/rdf-schema#subClassOf> ?superclass .\n"
+ + "} UNION { ?property <http://www.w3.org/2000/01/rdf-schema#domain> ?dunion .\n"
+ + "?dunion <http://www.w3.org/2002/07/owl#unionOf> ?dlist .\n"
+ + "?dlist <http://jena.hpl.hp.com/ARQ/list#member> ?superclass .\n"
+ + "<http://example.org/ontologies/market_ontology.owl#Company> <http://www.w3.org/2000/01/rdf-schema#subClassOf> ?superclass .\n"
+ + "} } { { ?property <http://www.w3.org/2000/01/rdf-schema#range> ?superrange .\n"
+ + "?range <http://www.w3.org/2000/01/rdf-schema#subClassOf> ?superrange .\n"
+ + "FILTER (! (isBLANK(?range)))\n"
+ + "} UNION { ?property <http://www.w3.org/2000/01/rdf-schema#range> ?range .\n"
+ + "FILTER (! (isBLANK(?range)))\n"
+ + "} } OPTIONAL { ?somesub <http://www.w3.org/2000/01/rdf-schema#subClassOf> ?range .\n"
+ + "FILTER (((?somesub) != (<http://www.w3.org/2002/07/owl#Nothing>)) && ((?somesub) != (?range)))\n"
+ + "} OPTIONAL { ?subproperty <http://www.w3.org/2000/01/rdf-schema#subPropertyOf> ?property .\n"
+ + " OPTIONAL { ?subproperty <http://purl.org/dc/elements/1.1/description> ?subproperty_description .\n"
+ + "} FILTER (((?subproperty) != (<http://www.w3.org/2002/07/owl#bottomObjectProperty>)) && ((?subproperty) != (?property)))\n"
+ + "} OPTIONAL { ?property <http://purl.org/dc/elements/1.1/description> ?property_description .\n"
+ + "} FILTER ((?property) != (<http://www.w3.org/2002/07/owl#bottomObjectProperty>))\n"
+ + "FILTER ((?range) != (<http://www.w3.org/2002/07/owl#Nothing>))\n"
+ + "FILTER (! (BOUND(?somesub)))\n"
+ + "} \n";
+
+ Query query = QueryParser.getInstance().parse(queryString);
+ Assert.assertEquals(queryString.replaceAll("\\s", "").trim(), query.toString().replaceAll("\\s", "").trim());
+ }
+
+ @Test
+ public void testParsingAndSerializationStability() throws Exception {
+ String queryString =
+ "PREFIX mo: <http://example.org/ontologies/market_ontology.owl#>\n"
+ + "PREFIX list: <http://jena.hpl.hp.com/ARQ/list#>\n"
+ + "PREFIX owl: <http://www.w3.org/2002/07/owl#>\n"
+ + "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>\n"
+ + "PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n"
+ + "PREFIX dc: <http://purl.org/dc/elements/1.1/>\n"
+ + "SELECT ?property ?range ?property_description ?subproperty ?subproperty_description\n"
+ + "WHERE {\n"
+ + " ?property a owl:ObjectProperty .\n"
+ + " FILTER (?property != owl:bottomObjectProperty) .\n"
+ + " {\n"
+ + " {\n"
+ + " ?property rdfs:domain ?superclass .\n"
+ + " mo:Company rdfs:subClassOf ?superclass .\n"
+ + " }\n"
+ + " UNION\n"
+ + " {\n"
+ + " ?property rdfs:domain ?dunion .\n"
+ + " ?dunion owl:unionOf ?dlist .\n"
+ + " ?dlist list:member ?superclass .\n"
+ + " mo:Company rdfs:subClassOf ?superclass .\n"
+ + " }\n"
+ + " }\n"
+ + " {\n"
+ + " {\n"
+ + " ?property rdfs:range ?superrange .\n"
+ + " ?range rdfs:subClassOf ?superrange .\n"
+ + " FILTER (!isBlank(?range)) .\n"
+ + " }\n"
+ + " UNION\n"
+ + " {\n"
+ + " ?property rdfs:range ?range .\n"
+ + " FILTER (!isBlank(?range)) .\n"
+ + " }\n"
+ + " } .\n"
+ + " FILTER (?range != owl:Nothing) .\n"
+ + " OPTIONAL { ?somesub rdfs:subClassOf ?range . FILTER(?somesub != owl:Nothing && ?somesub != ?range)}\n"
+ + " FILTER (!bound(?somesub)) .\n"
+ + " OPTIONAL {\n"
+ + " ?subproperty rdfs:subPropertyOf ?property .\n"
+ + " FILTER(?subproperty != owl:bottomObjectProperty && ?subproperty != ?property)\n"
+ + " OPTIONAL { ?subproperty dc:description ?subproperty_description . }\n"
+ + " }\n"
+ + " OPTIONAL { ?property dc:description ?property_description . }\n"
+ + "} ";
+
+ Query query1 = QueryParser.getInstance().parse(queryString);
+ Thread.sleep(5000l);
+ Query query2 = QueryParser.getInstance().parse(queryString);
+ Assert.assertEquals(query1.toString(), query2.toString());
+ }
+}