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

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