Import/export changes. A load.

[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / migration / MigratedImportResult.java

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/migration/MigratedImportResult.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/migration/MigratedImportResult.java
new file mode 100644 (file)
index 0000000..1981ae4
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/migration/MigratedImportResult.java
@@ -0,0 +1,50 @@
+/*******************************************************************************
+ * Copyright (c) 2017 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.layer0.migration;
+
+import java.util.Collection;
+
+import org.simantics.db.Resource;
+import org.simantics.db.exception.AssumptionException;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.graph.db.ImportResult;
+
+/**
+ * @author Tuukka Lehtonen
+ * @since 1.28.0
+ */
+public class MigratedImportResult {
+
+       /**
+        * The root resources created by the import process.
+        */
+       public final Collection<Resource> roots;
+
+       public final ImportResult tgResult;
+
+       public MigratedImportResult(Collection<Resource> roots, ImportResult tgResult) {
+               this.roots = roots;
+               this.tgResult = tgResult;
+       }
+
+       public Resource singleRoot() throws DatabaseException {
+               int s = roots.size();
+               if (s != 1)
+                       throw new AssumptionException("No single imported root found, roots are: " + roots);
+               return roots.iterator().next();
+       }
+
+       public boolean hasMissingExternals() {
+               return tgResult != null ? tgResult.hasMissingExternals() : false;
+       }
+
+}