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Merge main into develop #4917

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merged 4 commits into from
Feb 21, 2024
Merged

Merge main into develop #4917

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6ec209f
docs: Fix broken link to Strabon on About
vorburger Feb 14, 2024
eab3e2c
docs: Fix broken link to Strabon on About (#4906)
hmottestad Feb 19, 2024
fa9496b
GH-4915 Fixed setting parent in ValueExprTripleRef#replaceChildNode
frensjan Feb 20, 2024
c259fdf
GH-4915 Fixed setting parent in ValueExprTripleRef#replaceChildNode (…
hmottestad Feb 20, 2024
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32 changes: 21 additions & 11 deletions .../queryalgebra/model/src/main/java/org/eclipse/rdf4j/query/algebra/ValueExprTripleRef.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,13 +20,9 @@ public class ValueExprTripleRef extends AbstractQueryModelNode implements ValueE

public ValueExprTripleRef(String extName, Var s, Var p, Var o) {
this.exprVarName = extName;
subjectVar = s;
predicateVar = p;
objectVar = o;

subjectVar.setParentNode(this);
predicateVar.setParentNode(this);
objectVar.setParentNode(this);
setSubjectVar(s);
setPredicateVar(p);
setObjectVar(o);
}

public String getExtVarName() {
Expand All @@ -45,6 +41,21 @@ public Var getObjectVar() {
return objectVar;
}

private void setSubjectVar(Var s) {
subjectVar = s;
subjectVar.setParentNode(this);
}

private void setPredicateVar(Var p) {
predicateVar = p;
predicateVar.setParentNode(this);
}

private void setObjectVar(Var o) {
objectVar = o;
objectVar.setParentNode(this);
}

@Override
public <X extends Exception> void visitChildren(QueryModelVisitor<X> visitor) throws X {
if (subjectVar != null) {
Expand Down Expand Up @@ -84,17 +95,16 @@ public ValueExprTripleRef clone() {
@Override
public <X extends Exception> void visit(QueryModelVisitor<X> visitor) throws X {
visitor.meetOther(this);
// visitChildren(visitor);
}

@Override
public void replaceChildNode(QueryModelNode current, QueryModelNode replacement) {
if (subjectVar == current) {
subjectVar = (Var) replacement;
setSubjectVar((Var) replacement);
} else if (predicateVar == current) {
predicateVar = (Var) replacement;
setPredicateVar((Var) replacement);
} else if (objectVar == current) {
objectVar = (Var) replacement;
setObjectVar((Var) replacement);
} else {
super.replaceChildNode(current, replacement);
}
Expand Down
2 changes: 1 addition & 1 deletion site/content/about.md
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Expand Up @@ -69,7 +69,7 @@ The [MarkLogic RDF4J API](https://github.com/marklogic/marklogic-rdf4j) is a ful

#### Strabon

[Strabon](http://www.strabon.di.uoa.gr/) is a spatiotemporal RDF store based on RDF4J. You can use it to store linked geospatial data that changes over time and pose queries using two popular extensions of SPARQL. Strabon supports spatial datatypes enabling the serialization of geometric objects in OGC standards WKT and GML. It also offers spatial and temporal selections, spatial and temporal joins, a rich set of spatial functions similar to those offered by geospatial relational database systems and support for multiple Coordinate Reference Systems. Strabon can be used to model temporal domains and concepts such as events, facts that change over time etc. through its support for valid time of triples, and a rich set of temporal functions.
[Strabon](http://strabon.di.uoa.gr/) is a spatiotemporal RDF store based on RDF4J. You can use it to store linked geospatial data that changes over time and pose queries using two popular extensions of SPARQL. Strabon supports spatial datatypes enabling the serialization of geometric objects in OGC standards WKT and GML. It also offers spatial and temporal selections, spatial and temporal joins, a rich set of spatial functions similar to those offered by geospatial relational database systems and support for multiple Coordinate Reference Systems. Strabon can be used to model temporal domains and concepts such as events, facts that change over time etc. through its support for valid time of triples, and a rich set of temporal functions.

#### Openlink Virtuoso RDF4J Provider

Expand Down
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