tests/org.simantics.db.tests/tutorial/Local1.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 import java.util.Collection;
  13
  14 import org.simantics.db.ReadGraph;
  15 import org.simantics.db.Resource;
  16 import org.simantics.db.Session;
  17 import org.simantics.db.WriteGraph;
  18 import org.simantics.db.common.request.ReadRequest;
  19 import org.simantics.db.common.request.WriteRequest;
  20 import org.simantics.db.exception.DatabaseException;
  21 import org.simantics.db.exception.ValidationException;
  22 import org.simantics.db.testing.common.Tests;
  23 import org.simantics.layer0.Layer0;
  24
  25
  26 public class Local1 {
  27         static String newInstanceName ="Local1InstanceName";
  28         static Session session = null;
  29         public static void main(String[] args) {
  30                 try {
  31                         session = Tests.getTestHandler().getSession();
  32                         session.syncRequest(new WriteRequest() {
  33                     @Override
  34                     public void perform(WriteGraph g) throws DatabaseException {
  35                         Layer0 b = Layer0.getInstance(g);
  36                                         Resource newResource = g.newResource();
  37                                         g.claim(newResource, b.InstanceOf, null, b.Type);
  38                                         g.claimLiteral(newResource, b.HasName, newInstanceName);
  39                                         g.claim(g.getRootLibrary(), b.ConsistsOf, newResource);
  40                                 }
  41                         });
  42
  43                 session.syncRequest(new ReadRequest() {
  44                     @Override
  45                     public void run(ReadGraph g) throws DatabaseException {
  46                         Layer0 b = Layer0.getInstance(g);
  47                                         Collection<Resource> resources = g.getObjects(g.getRootLibrary(), b.ConsistsOf);
  48                                         Resource newResource = null;
  49                                         for (Resource r : resources) {
  50                                             String value = g.getPossibleRelatedValue(r, b.HasName);
  51                                                 if (null != value && value.equals(newInstanceName)) {
  52                                                         newResource = r;
  53                                                         break;
  54                                                 }
  55                                         }
  56                                         if (newResource == null) {
  57                                                 throw new ValidationException("Could not find created resource");
  58                                         }
  59                                         if (!g.isInstanceOf(newResource, b.Type))
  60                                                 throw new ValidationException("Created resource is not an instance of Type");
  61                                 }
  62                 });
  63
  64                 session.syncRequest(new ReadRequest() {
  65                     @Override
  66                     public void run(ReadGraph g) throws DatabaseException {
  67                         Layer0 b = Layer0.getInstance(g);
  68                         int count = 0;
  69                                         Collection<Resource> resources = g.getObjects(g.getRootLibrary(), b.ConsistsOf);
  70                                         for (Resource r : resources) {
  71                                             String value = g.getPossibleRelatedValue(r, b.HasName);
  72                                                 if (null != value && value.equals(newInstanceName)) {
  73                                                     count++;
  74                                                 }
  75                                         }
  76                                         System.out.println("instance count = " + count);
  77                                 }
  78                 });
  79
  80 //              LifecycleSupport ls = session.getService(LifecycleSupport.class);
  81 //            PublishSynchroniseSupport pss = session.getService(PublishSynchroniseSupport.class);
  82 //            pss.publish();
  83 //            ls.close();
  84             System.out.println("Ok.");
  85 //              } catch (ClassNotFoundException e) {
  86 //                      e.printStackTrace();
  87                 } catch (DatabaseException e) {
  88                         e.printStackTrace();
  89                 }
  90         }
  91 }