bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/genericrelation/Entry.java

   1 package org.simantics.db.layer0.genericrelation;\r
   2 \r
   3 import org.simantics.databoard.Bindings;\r
   4 import org.simantics.datatypes.literal.GUID;\r
   5 import org.simantics.db.ReadGraph;\r
   6 import org.simantics.db.Resource;\r
   7 import org.simantics.db.common.request.TypeString;\r
   8 import org.simantics.db.exception.DatabaseException;\r
   9 import org.simantics.layer0.Layer0;\r
  10 \r
  11 class Entry implements Comparable<Entry> {\r
  12 \r
  13         Entry(Resource parent, Resource resource, String name, String types, String id) {\r
  14                 this.parent = parent;\r
  15                 this.resource = resource;\r
  16                 this.name = name;\r
  17                 this.types = types;\r
  18                 this.id = id;\r
  19         }\r
  20 \r
  21         Entry(ReadGraph graph, Layer0 L0, Resource resource) throws DatabaseException {\r
  22                 this.parent = graph.getPossibleObject(resource, L0.PartOf);\r
  23                 this.resource = resource;\r
  24                 this.name = graph.getPossibleRelatedValue(resource, L0.HasName, Bindings.STRING);\r
  25                 this.types = graph.syncRequest(new TypeString(L0, graph.getTypes(resource)));\r
  26                 this.id = idFromGUID(graph.getPossibleRelatedValue(resource, L0.identifier, GUID.BINDING));\r
  27         }\r
  28         \r
  29         private static String idFromGUID(GUID guid) {\r
  30                 if(guid == null) return "";\r
  31                 return guid.indexString();\r
  32         }\r
  33 \r
  34         Entry(ReadGraph graph, Resource resource) throws DatabaseException {\r
  35                 this(graph, Layer0.getInstance(graph), resource);\r
  36         }\r
  37 \r
  38         final Resource parent;\r
  39         final Resource resource;\r
  40 \r
  41         String types;\r
  42         String name;\r
  43         String id;\r
  44         Resource principalType;\r
  45 \r
  46         @Override\r
  47         public int compareTo(Entry o) {\r
  48                 int names = name.compareTo(o.name);\r
  49                 if(names != 0) return names;\r
  50                 int resources = resource.compareTo(o.resource);\r
  51                 if(resources != 0) return resources;\r
  52                 return id.compareTo(o.id);\r
  53         }\r
  54 \r
  55         @Override\r
  56         public int hashCode() {\r
  57                 return resource.hashCode();\r
  58         }\r
  59 \r
  60         @Override\r
  61         public boolean equals(Object obj) {\r
  62                 Entry other = (Entry)obj;\r
  63                 return resource.equals(other.resource);\r
  64         }\r
  65 \r
  66 }