How to use

Multimaps

in

org.apache.jena.ext.com.google.common.collect

public Model export(Model result, ViewDefinition viewDef) {
  // Partition view definitions by graph and subject		
  
  List<Quad> template = viewDef.getConstructTemplate();
  Multimap<Entry<Node, Node>, Quad> gsToQuadsIndex = Multimaps.index(template, q -> new SimpleEntry<>(q.getGraph(), q.getSubject()));
  
  for(Entry<Entry<Node, Node>, Collection<Quad>> gsToQuads : gsToQuadsIndex.asMap().entrySet()) {
    Entry<Node, Node> key = gsToQuads.getKey();
    Node g = key.getKey();
    Node s = key.getValue();
    
    Collection<Quad> quads = gsToQuads.getValue();
    
    exportTriplesMapSameGraphAndSubject(result, viewDef, g, s, quads);
  }
  
  
  return result;
}

public Model export(Model result, ViewDefinition viewDef) {
  // Partition view definitions by graph and subject		
  
  List<Quad> template = viewDef.getConstructTemplate();
  Multimap<Entry<Node, Node>, Quad> gsToQuadsIndex = Multimaps.index(template, q -> new SimpleEntry<>(q.getGraph(), q.getSubject()));
  
  for(Entry<Entry<Node, Node>, Collection<Quad>> gsToQuads : gsToQuadsIndex.asMap().entrySet()) {
    Entry<Node, Node> key = gsToQuads.getKey();
    Node g = key.getKey();
    Node s = key.getValue();
    
    Collection<Quad> quads = gsToQuads.getValue();
    
    exportTriplesMapSameGraphAndSubject(result, viewDef, g, s, quads);
  }
  
  
  return result;
}

Multimap<Node, Quad> pToQuadsIndex = Multimaps.index(quads, Quad::getPredicate);

Multimap<Node, Quad> pToQuadsIndex = Multimaps.index(quads, Quad::getPredicate);