bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/migration/MigratedImportResult.java

   1 /*******************************************************************************
   2  * Copyright (c) 2017 Association for Decentralized Information Management in
   3  * 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  *     Semantum Oy - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.db.layer0.migration;
  13
  14 import java.util.Collection;
  15
  16 import org.simantics.db.Resource;
  17 import org.simantics.db.exception.AssumptionException;
  18 import org.simantics.db.exception.DatabaseException;
  19 import org.simantics.graph.db.ImportResult;
  20
  21 /**
  22  * @author Tuukka Lehtonen
  23  * @since 1.28.0
  24  */
  25 public class MigratedImportResult {
  26
  27         /**
  28          * The root resources created by the import process.
  29          */
  30         public final Collection<Resource> roots;
  31
  32         public final ImportResult tgResult;
  33
  34         public MigratedImportResult(Collection<Resource> roots, ImportResult tgResult) {
  35                 this.roots = roots;
  36                 this.tgResult = tgResult;
  37         }
  38
  39         public Resource singleRoot() throws DatabaseException {
  40                 int s = roots.size();
  41                 if (s != 1)
  42                         throw new AssumptionException("No single imported root found, roots are: " + roots);
  43                 return roots.iterator().next();
  44         }
  45
  46         public boolean hasMissingExternals() {
  47                 return tgResult != null ? tgResult.hasMissingExternals() : false;
  48         }
  49
  50 }