bundles/org.simantics.structural2/src/org/simantics/structural2/ConnectionImpl.java

   1 package org.simantics.structural2;
   2
   3 import java.util.Collection;
   4 import java.util.Set;
   5
   6 import org.simantics.db.ReadGraph;
   7 import org.simantics.db.Resource;
   8 import org.simantics.db.exception.DatabaseException;
   9 import org.simantics.db.layer0.variable.Variable;
  10 import org.simantics.structural2.variables.Connection;
  11 import org.simantics.structural2.variables.ConnectionBrowser;
  12 import org.simantics.structural2.variables.VariableConnectionPointDescriptor;
  13
  14 import gnu.trove.set.hash.THashSet;
  15
  16 public class ConnectionImpl implements Connection {
  17
  18         @Override
  19         public int hashCode() {
  20                 final int prime = 31;
  21                 int result = 1;
  22                 result = prime * result + ((predicate == null) ? 0 : predicate.hashCode());
  23                 return result;
  24         }
  25
  26         @Override
  27         public boolean equals(Object obj) {
  28                 if (this == obj)
  29                         return true;
  30                 if (obj == null)
  31                         return false;
  32                 if (getClass() != obj.getClass())
  33                         return false;
  34                 ConnectionImpl other = (ConnectionImpl) obj;
  35                 if (predicate == null) {
  36                         if (other.predicate != null)
  37                                 return false;
  38                 } else if (!predicate.equals(other.predicate))
  39                         return false;
  40                 return true;
  41         }
  42
  43         final private Resource predicate;
  44
  45         public ConnectionImpl(Resource predicate) {
  46                 this.predicate = predicate;
  47         }
  48
  49         @Override
  50         public Collection<Variable> getConnectionPoints(ReadGraph graph, Variable component, Resource relationType) throws DatabaseException {
  51             Set<Variable> result = new THashSet<Variable>();
  52             for(VariableConnectionPointDescriptor desc : ConnectionBrowser.flatten(graph, component, predicate, relationType)) {
  53                 result.add(desc.getVariable(graph));
  54             }
  55             return result;
  56         }
  57
  58         @Override
  59         public Collection<String> getConnectionPointURIs(ReadGraph graph, Variable component, Resource relationType) throws DatabaseException {
  60             Set<String> result = new THashSet<String>();
  61             for(VariableConnectionPointDescriptor desc : ConnectionBrowser.flatten(graph, component, predicate, relationType)) {
  62                 result.add(desc.getURI(graph));
  63             }
  64             return result;
  65         }
  66
  67         @Override
  68         public Collection<VariableConnectionPointDescriptor> getConnectionPointDescriptors(ReadGraph graph, Variable component, Resource relationType) throws DatabaseException {
  69                 System.err.println("getConnectionPointDescriptors " + component.getURI(graph));
  70             return ConnectionBrowser.flatten(graph, component, predicate, relationType);
  71         }
  72
  73 }