bundles/org.simantics.project/src/org/simantics/project/management/DatabaseAgent.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.\r
   3  * All rights reserved. This program and the accompanying materials\r
   4  * are made available under the terms of the Eclipse Public License v1.0\r
   5  * which accompanies this distribution, and is available at\r
   6  * http://www.eclipse.org/legal/epl-v10.html\r
   7  *\r
   8  * Contributors:\r
   9  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  10  *******************************************************************************/\r
  11 package org.simantics.project.management;\r
  12 \r
  13 import java.util.ArrayList;\r
  14 import java.util.List;\r
  15 import java.util.Properties;\r
  16 \r
  17 import org.eclipse.equinox.p2.metadata.VersionedId;\r
  18 import org.simantics.db.ServerEx;\r
  19 import org.simantics.db.Session;\r
  20 import org.simantics.db.exception.DatabaseException;\r
  21 import org.simantics.db.service.LifecycleSupport;\r
  22 \r
  23 /**\r
  24  * Database agent installs ontologies and   \r
  25  *\r
  26  * @author Toni Kalajainen <toni.kalajainen@vtt.fi>\r
  27  */\r
  28 public class DatabaseAgent {\r
  29 \r
  30         ServerEx server;\r
  31         BundlePool bundlePool;\r
  32         \r
  33         /**\r
  34          * Create a new agent.\r
  35          * \r
  36          * @param server\r
  37          * @param bundlePool\r
  38          * @throws DatabaseException\r
  39          */\r
  40         public DatabaseAgent(ServerEx server, BundlePool bundlePool) {\r
  41                 this.server = server;\r
  42                 this.bundlePool = bundlePool;\r
  43         }\r
  44         \r
  45         /**\r
  46          * Get a snapshot of database current profile\r
  47          * \r
  48          * @return database specification\r
  49          * @throws DatabaseException\r
  50          */\r
  51         public DatabaseSpec getSpecification() throws DatabaseException {\r
  52                 // Create session\r
  53                 Properties props = new Properties();\r
  54                 Session session = server.createSession(props);\r
  55                 try {\r
  56                         return session.syncRequest( DatabaseSpec.QUERY );\r
  57                 } finally {\r
  58                         // Close session\r
  59                         session.getService(LifecycleSupport.class).close();\r
  60                 }\r
  61         }\r
  62         \r
  63         /**\r
  64          * Perform install operation to \r
  65          * @param spec\r
  66          * @throws DatabaseException\r
  67          */\r
  68         public void perform(DatabaseSpec spec) throws DatabaseException {\r
  69 \r
  70                 // 1. Validate Spec\r
  71                 \r
  72                 \r
  73         }\r
  74         \r
  75         public List<Problem> validate(DatabaseSpec spec) {\r
  76                 ArrayList<Problem> result = new ArrayList<Problem>();\r
  77                 \r
  78                 // 1. Ontology exists for all features\r
  79                 for (ProjectSpec ps : spec.projects) {\r
  80                         for (FeatureSpec fs : ps.features) {\r
  81                                 /*IVersionedId vid =*/ VersionedId.parse(fs.versionedId);\r
  82                                 // Now use BundlePool to find out ontologies\r
  83 //                              bundlePool.getMetadataRepository()\r
  84                         }\r
  85                 }\r
  86                 \r
  87                 return result;\r
  88         }\r
  89 \r
  90         \r
  91         static class Problem {\r
  92                 // Cost of the problem. 0-100\r
  93                 public int severity;\r
  94                 public String msg;\r
  95         }\r
  96 \r
  97         static class OntologyVersionConflict {\r
  98                 \r
  99         }\r
 100         \r
 101 }\r
 102 \r