--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 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.tests.api.support.undoRedoSupport;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.ListIterator;
+
+import org.junit.Test;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.common.request.WriteRequest;
+import org.simantics.db.common.utils.OrderedSetUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.service.UndoRedoSupport;
+import org.simantics.db.testing.base.ExistingDatabaseTest;
+import org.simantics.db.tests.common.Configuration;
+import org.simantics.layer0.Layer0;
+import org.simantics.utils.DataContainer;
+
+/**
+ * Test case description missing!
+ */
+public class UndoTest09 extends ExistingDatabaseTest {
+
+ @Test
+ public void testUndo9() throws Exception {
+
+ Session session = getSession();
+ final UndoRedoSupport support = session.getService(UndoRedoSupport.class);
+ try {
+ UndoTestOrderedSet c1 = new UndoTestOrderedSet(session, support);
+ List<Resource> elements = new ArrayList<Resource>();
+ Resource list = c1.create(elements);
+ c1.check(list, elements);
+ List<Resource> elements2 = new ArrayList<Resource>();
+ elements2.addAll(elements);
+ c1.front(list, elements2);
+ c1.check(list, elements2);
+ c1.back(list, elements2);
+ c1.check(list, elements2);
+ c1.undo();
+ c1.undo();
+ c1.check(list, elements);
+ c1.add(list, elements);
+ elements2.clear();
+ } catch (Throwable t) {
+ fail("Test failed with exception " + t);
+ }
+ }
+}
+
+class UndoTestOrderedSet {
+ protected final Session session;
+ protected final UndoRedoSupport support;
+ protected final boolean DEBUG = Configuration.get().debug;
+ UndoTestOrderedSet(Session session, UndoRedoSupport support) {
+ this.session = session;
+ this.support = support;
+ }
+ Resource create(final List<Resource> els)
+ throws DatabaseException {
+ final int size = 3;
+ final DataContainer<Resource> subject = new DataContainer<Resource>();
+ session.syncRequest(new WriteRequest() {
+ @Override
+ public void perform(WriteGraph g) throws DatabaseException {
+ g.markUndoPoint();
+ Layer0 b = Layer0.getInstance(g);
+ Resource l = OrderedSetUtils.create(g, b.Type);
+ subject.set(l);
+ for (int i=0; i<size; ++i) {
+ g.flushCluster();
+ Resource el = g.newResource();
+ g.claim(el, b.InstanceOf, null, b.Type);
+ OrderedSetUtils.add(g, l, el);
+ els.add(el);
+ }
+ }
+ });
+ return subject.get();
+ }
+ void check(final Resource list, final List<Resource> els)
+ throws DatabaseException {
+ session.syncRequest(new ReadRequest() {
+ @Override
+ public void run(ReadGraph g) throws DatabaseException {
+ getFirstLast(g, list, els);
+ }
+ });
+ }
+ void front(final Resource list, final List<Resource> els)
+ throws DatabaseException {
+ session.syncRequest(new WriteRequest() {
+ @Override
+ public void perform(WriteGraph g) throws DatabaseException {
+ g.markUndoPoint();
+ FirstLast fl = getFirstLast(g, list, els);
+ if (null == fl.first)
+ return;
+ OrderedSetUtils.remove(g, list, fl.last);
+ OrderedSetUtils.addFirst(g, list, fl.last);
+ els.remove(fl.last2);
+ els.add(0, fl.last2);
+ }
+ });
+ }
+ void back(final Resource list, final List<Resource> els)
+ throws DatabaseException {
+ session.syncRequest(new WriteRequest() {
+ @Override
+ public void perform(WriteGraph g) throws DatabaseException {
+ g.markUndoPoint();
+ FirstLast fl = getFirstLast(g, list, els);
+ if (null == fl.first)
+ return;
+ OrderedSetUtils.remove(g, list, fl.first);
+ OrderedSetUtils.addAfter(g, list, fl.last, fl.first);
+ els.remove(fl.first2);
+ els.add(els.size(), fl.first2);
+ }
+ });
+ }
+ void add(final Resource list, final List<Resource> els)
+ throws DatabaseException {
+ session.syncRequest(new WriteRequest() {
+ @Override
+ public void perform(WriteGraph g) throws DatabaseException {
+ g.markUndoPoint();
+ FirstLast fl = getFirstLast(g, list, els);
+ if (null == fl.first)
+ return;
+ Layer0 b = Layer0.getInstance(g);
+ g.flushCluster();
+ Resource el = g.newResource();
+ g.claim(el, b.InstanceOf, null, b.Type);
+ OrderedSetUtils.add(g, list, el);
+ els.add(el);
+ }
+ });
+ }
+ void undo() throws DatabaseException {
+ support.undo(session, 1);
+ }
+ class FirstLast {
+ public Resource first;
+ public Resource first2;
+ public Resource last;
+ public Resource last2;
+ }
+ FirstLast getFirstLast(ReadGraph g, Resource list, List<Resource> els)
+ throws DatabaseException {
+ ListIterator<Resource> it = OrderedSetUtils.iterator(g, list);
+ int count = 0;
+ Iterator<Resource> it2 = els.iterator();
+ FirstLast fl = new FirstLast();
+ while (it.hasNext()) {
+ fl.last = it.next();
+ if (null == fl.first)
+ fl.first = fl.last;
+ if (DEBUG)
+ System.out.println("Resource " + fl.last + "in list " + list + ".");
+ fl.last2 = it2.next();
+ if (null == fl.first2)
+ fl.first2 = fl.last2;
+ if (null == fl.last2 || fl.last2.getResourceId() != fl.last.getResourceId())
+ throw new DatabaseException("Error in list element rid=" + fl.last + ".");
+ ++count;
+ }
+ if (els.size() != count)
+ throw new DatabaseException("Number of ordered set elements doesn't match!");
+ if (DEBUG)
+ System.out.println("" + count + " elements in resource list.");
+ return fl;
+ }
+}
Code Review / simantics / platform.git / blobdiff