X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Fmigration%2FMigrationSequence.java;fp=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Fmigration%2FMigrationSequence.java;h=8f7beb19592ece77161847e635c19757c8e10db3;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/migration/MigrationSequence.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/migration/MigrationSequence.java
new file mode 100644
index 000000000..8f7beb195
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/migration/MigrationSequence.java
@@ -0,0 +1,53 @@
+/*******************************************************************************
+ * Copyright (c) 2012 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:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.layer0.migration;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.common.utils.ListUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.utils.logging.TimeLogger;
+
+public class MigrationSequence implements MigrationStep {
+	
+	final List<MigrationStep> steps;
+	
+	public MigrationSequence(ReadGraph graph, Resource sequence) throws DatabaseException {
+		steps = new ArrayList<MigrationStep>();
+		for(Resource step : ListUtils.toList(graph, sequence)) {
+			MigrationStep ms = graph.adapt(step, MigrationStep.class);
+			steps.add(ms);
+		}
+	}
+
+	@Override
+	public void applyTo(IProgressMonitor monitor, Session session, MigrationState state) throws DatabaseException {
+		TimeLogger.resetTimeAndLog(getClass(), "Running migration sequence");
+		for(MigrationStep step : steps) {
+			if(monitor.isCanceled()) return;
+			TimeLogger.log(getClass(), "Running migration step: " + step.getClass() + " (" + step + ")");
+			step.applyTo(monitor, session, state);
+			if (monitor.isCanceled()) {
+				TimeLogger.log(getClass(), "Migration cancelled during step: " + step.getClass() + " (" + step + ")");
+				return;
+			}
+			monitor.subTask("");
+			TimeLogger.log(getClass(), "Completed migration step: " + step.getClass() + " (" + step + ")");
+		}
+	}
+
+}