bundles/org.simantics.graph/src/org/simantics/graph/store/IdRes.java

   1 package org.simantics.graph.store;
   2
   3 import org.simantics.graph.query.Res;
   4
   5 /**
   6  * A resource that exists only in one graph fragment. The resource
   7  * is represented as a integer identifier.
   8  * @author Hannu Niemistö
   9  */
  10 public class IdRes implements Res {
  11         public final GraphStore fragment;
  12         public final int id;
  13
  14         public IdRes(GraphStore fragment, int id) {
  15                 this.fragment = fragment;
  16                 this.id = id;
  17         }
  18
  19         @Override
  20         public int hashCode() {
  21                 return id * 31 + fragment.hashCode();
  22         }
  23
  24         @Override
  25         public boolean equals(Object obj) {
  26                 if (this == obj)
  27                         return true;
  28                 if (obj == null || getClass() != obj.getClass())
  29                         return false;
  30                 IdRes other = (IdRes) obj;
  31                 return fragment == other.fragment && id == other.id;
  32         }
  33
  34         @Override
  35         public String toString() {
  36                 return "#" + id;
  37         }
  38
  39 }