bundles/org.simantics.backup.ontology/src/org/simantics/backup/ontology/BackupResource.java

   1 package org.simantics.backup.ontology;\r
   2 \r
   3 import org.simantics.db.RequestProcessor;\r
   4 import org.simantics.db.Resource;\r
   5 import org.simantics.db.ReadGraph;\r
   6 import org.simantics.db.request.Read;\r
   7 import org.simantics.db.Session;\r
   8 import org.simantics.db.exception.DatabaseException;\r
   9 import org.simantics.db.service.QueryControl;\r
  10 \r
  11 public class BackupResource {\r
  12     \r
  13     public final Resource ModelledBackupProvider;\r
  14     public final Resource ModelledBackupProvider_instance;\r
  15     public final Resource ModelledBackupProvider_instance_Inverse;\r
  16     public final Resource SCLMain;\r
  17     public final Resource modelledBackupProvider;\r
  18         \r
  19     public static class URIs {\r
  20         public static final String ModelledBackupProvider = "http://www.simantics.org/Backup-1.0/ModelledBackupProvider";\r
  21         public static final String ModelledBackupProvider_instance = "http://www.simantics.org/Backup-1.0/ModelledBackupProvider/instance";\r
  22         public static final String ModelledBackupProvider_instance_Inverse = "http://www.simantics.org/Backup-1.0/ModelledBackupProvider/instance/Inverse";\r
  23         public static final String SCLMain = "http://www.simantics.org/Backup-1.0/SCLMain";\r
  24         public static final String modelledBackupProvider = "http://www.simantics.org/Backup-1.0/modelledBackupProvider";\r
  25     }\r
  26     \r
  27     public static Resource getResourceOrNull(ReadGraph graph, String uri) {\r
  28         try {\r
  29             return graph.getResource(uri);\r
  30         } catch(DatabaseException e) {\r
  31             System.err.println(e.getMessage());\r
  32             return null;\r
  33         }\r
  34     }\r
  35     \r
  36     public BackupResource(ReadGraph graph) {\r
  37         ModelledBackupProvider = getResourceOrNull(graph, URIs.ModelledBackupProvider);\r
  38         ModelledBackupProvider_instance = getResourceOrNull(graph, URIs.ModelledBackupProvider_instance);\r
  39         ModelledBackupProvider_instance_Inverse = getResourceOrNull(graph, URIs.ModelledBackupProvider_instance_Inverse);\r
  40         SCLMain = getResourceOrNull(graph, URIs.SCLMain);\r
  41         modelledBackupProvider = getResourceOrNull(graph, URIs.modelledBackupProvider);\r
  42     }\r
  43     \r
  44     public static BackupResource getInstance(ReadGraph graph) {\r
  45         Session session = graph.getSession();\r
  46         BackupResource ret = session.peekService(BackupResource.class);\r
  47         if(ret == null) {\r
  48             QueryControl qc = graph.getService(QueryControl.class);\r
  49             ret = new BackupResource(qc.getIndependentGraph(graph));\r
  50             session.registerService(BackupResource.class, ret);\r
  51         }\r
  52         return ret;\r
  53     }\r
  54     \r
  55     public static BackupResource getInstance(RequestProcessor session) throws DatabaseException {\r
  56         BackupResource ret = session.peekService(BackupResource.class);\r
  57         if(ret == null) {\r
  58             ret = session.syncRequest(new Read<BackupResource>() {\r
  59                 public BackupResource perform(ReadGraph graph) throws DatabaseException {\r
  60                     QueryControl qc = graph.getService(QueryControl.class);\r
  61                     return new BackupResource(qc.getIndependentGraph(graph));\r
  62                 }\r
  63             });\r
  64             session.registerService(BackupResource.class, ret);\r
  65         }\r
  66         return ret;\r
  67     }\r
  68     \r
  69 }\r
  70 \r