--- /dev/null
+package org.simantics.interop.update.model;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map.Entry;
+
+import org.simantics.Simantics;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.Statement;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.util.Layer0Utils;
+import org.simantics.db.request.Read;
+import org.simantics.interop.test.GraphChanges;
+import org.simantics.interop.test.GraphComparator;
+import org.simantics.utils.datastructures.Pair;
+
+public abstract class ModelUpdate {
+
+ private GraphChanges changes;
+ private UpdateTree updateTree;
+ private UpdateList updateList;
+
+ private GraphChanges changes2;
+ private GraphChanges changes3;
+ private UpdateTree updateTree2;
+ private UpdateList updateList2;
+
+ private List<ChangeFilter> filters = new ArrayList<ChangeFilter>();
+
+ boolean init = false;
+
+ public void setInput(Resource oldModel, Resource newModel) throws DatabaseException {
+ setInput(oldModel, newModel, null, false);
+ }
+
+ public void setInput(Resource oldModel, Resource newModel, Resource originalModel, boolean newDistinct) throws DatabaseException{
+ addFilters(filters);
+ if (originalModel != null) {
+ // tree way comparison
+ // compare the original and the old model
+ Pair<GraphComparator,String> result2 = getChanges(originalModel, oldModel);
+ GraphComparator comparator2 = result2.first;
+ if (result2.second != null)
+ showWarning(result2.second);
+ comparator2.test(getSession());
+ changes2 = comparator2.getChanges();
+ changes2 = getSession().syncRequest(new FilterChangesRead(changes2));
+ updateTree2 = getUpdateTree(changes2);
+ updateList2 = getUpdateList(changes2);
+
+ // compare the original and the new model
+ Pair<GraphComparator,String> result3 = getChanges(originalModel,newModel);
+ GraphComparator comparator3 = result3.first;
+ if (result3.second != null)
+ showWarning(result3.second);
+ comparator3.test(getSession());
+ changes3 = comparator3.getChanges();
+ changes3 = getSession().syncRequest(new FilterChangesRead(changes3));
+ }
+
+ Pair<GraphComparator,String> result = getChanges(oldModel,newModel);
+ GraphComparator comparator = result.first;
+ if (result.second != null)
+ showWarning(result.second);
+ if (originalModel != null) {
+ // three-way comparison: use change information to configure
+ // the comparison between the old and the new model.
+
+ // 1. map comparable resources
+ for (Entry<Resource, Resource> origToOld : changes2.getComparable().getEntries()) {
+ Resource oldR = origToOld.getValue();
+ Resource newR = changes3.getComparable().getRight(origToOld.getKey());
+ if (newR != null) {
+ comparator.addComparableResources(oldR, newR);
+ }
+ }
+ // 2. mark removed resources as distinct, so that comparison does not pair them
+ for (Statement s : changes2.getDeletions()) {
+ if (changes3.getComparable().containsLeft(s.getObject()))
+ comparator.addNonMatchedRight(changes3.getComparable().getRight(s.getObject()));
+ }
+
+ for (Statement s : changes3.getDeletions()) {
+ if (changes2.getComparable().containsLeft(s.getObject()))
+ comparator.addNonMatchedLeft(changes2.getComparable().getRight(s.getObject()));
+ }
+ if (newDistinct) {
+ // 3. mark added resources as distinct, so that comparison does not pair them
+ for (Statement s : changes2.getAdditions()) {
+ comparator.addNonMatchedLeft(s.getObject());
+ }
+
+ for (Statement s : changes3.getAdditions()) {
+ comparator.addNonMatchedRight(s.getObject());
+ }
+ }
+ }
+ comparator.test(getSession());
+ changes = comparator.getChanges();
+ changes = getSession().syncRequest(new FilterChangesRead(changes));
+ updateTree = getUpdateTree(changes);
+ updateList = getUpdateList(changes);
+
+
+ if (originalModel != null) {
+ createDefaultSelections();
+ }
+
+ init = true;
+ }
+
+
+
+ protected abstract Pair<GraphComparator,String> getChanges(Resource r1, Resource r2) throws DatabaseException;
+ protected abstract UpdateTree getUpdateTree(GraphChanges changes) throws DatabaseException;
+ protected UpdateList getUpdateList(GraphChanges changes) throws DatabaseException {
+ return new UpdateList(changes.getModifications());
+ }
+
+ protected void addFilters(List<ChangeFilter> filters) {
+
+ }
+
+ public boolean isInit() {
+ return init;
+ }
+
+ public GraphChanges getChanges() {
+ return changes;
+ }
+ public UpdateTree getUpdateTree() {
+ return updateTree;
+ }
+ public UpdateList getUpdateList() {
+ return updateList;
+ }
+ public GraphChanges getChanges2() {
+ return changes2;
+ }
+ public GraphChanges getChanges3() {
+ return changes3;
+ }
+ public UpdateTree getUpdateTree2() {
+ return updateTree2;
+ }
+ public UpdateList getUpdateList2() {
+ return updateList2;
+ }
+
+
+ public void applyAll(WriteGraph graph) throws DatabaseException {
+ Layer0Utils.addCommentMetadata(graph, "Apply all model updates");
+ graph.markUndoPoint();
+ for (Pair<Statement, Statement> mod : updateList.getChanges()) {
+ applyLiteralChange(graph, mod);
+ }
+ updateList.clear();
+
+ updateTree.getUpdateOps().applyAll(graph);
+ }
+
+ public void applySelected(WriteGraph graph) throws DatabaseException {
+ Layer0Utils.addCommentMetadata(graph, "Apply selected model updates");
+ graph.markUndoPoint();
+ HashSet<Pair<Statement, Statement>> changes = new HashSet<>(updateList.getSelected());
+ for (Pair<Statement, Statement> mod : changes) {
+ updateList.removeChange(mod);
+ applyLiteralChange(graph, mod);
+ }
+
+ updateTree.getUpdateOps().applySelected(graph);
+ }
+
+ protected void applyLiteralChange(WriteGraph graph, Pair<Statement, Statement> mod) throws DatabaseException {
+ if (mod.second == null) {
+ graph.deny(mod.first);
+ return;
+ }
+ Resource s = changes.getComparable().getLeft(mod.second.getSubject());
+ Resource pred = mod.second.getPredicate();
+ if (graph.hasValue(mod.second.getObject())) {
+ Object value = graph.getValue(mod.second.getObject());
+ graph.claimLiteral(s, pred, value);
+ } else {
+ graph.deny(s,pred);
+ }
+ }
+
+
+ protected Session getSession() {
+ return Simantics.getSession();
+ }
+
+
+
+ private class FilterChangesRead implements Read<GraphChanges> {
+ private GraphChanges changes;
+ public FilterChangesRead(GraphChanges changes) {
+ this.changes = changes;
+ }
+
+ @Override
+ public GraphChanges perform(ReadGraph graph) throws DatabaseException {
+ return filterChanges(graph, changes);
+ }
+ }
+
+ /**
+ * Filters changes:
+ * 1. Changes that are not essential for model update (changes that can be found when the models are axcatly the same)
+ * 2. Runs custom filters for value changes.
+ *
+ * @param g
+ * @param changes
+ * @return
+ * @throws DatabaseException
+ */
+ protected GraphChanges filterChanges(ReadGraph g, GraphChanges changes) throws DatabaseException
+ {
+
+ List<Pair<Statement,Statement>> modifications = new ArrayList<Pair<Statement,Statement>>();
+
+ for (Pair<Statement, Statement> mod : changes.getModifications()) {
+
+ boolean accept = true;
+ for (ChangeFilter filter : filters) {
+ if (!filter.accept(g, mod)) {
+ accept = false;
+ break;
+ }
+ }
+ if (accept)
+ modifications.add(mod);
+ }
+ GraphChanges newChanges = new GraphChanges(changes.getResource1(),changes.getResource2(),changes.getDeletions(), changes.getAdditions(), modifications, changes.getComparable());
+ return newChanges;
+ }
+
+ public interface ChangeFilter {
+ public boolean accept(ReadGraph g, Pair<Statement, Statement> change) throws DatabaseException;
+ }
+
+
+ /**
+ *
+ * Filters floating point value changes (default filter is set filter when the change is less than 1%)
+ *
+ */
+ protected class FPValueFilter implements ChangeFilter {
+
+ private double percentage = 0.01;
+
+ public FPValueFilter() {
+
+ }
+
+ public FPValueFilter(double percentage) {
+ if (percentage < 0.0 || percentage > 1.0)
+ throw new IllegalArgumentException("Percentage must be between 0.0 and 1.0.");
+ this.percentage = percentage;
+ }
+
+ @Override
+ public boolean accept(ReadGraph g, Pair<Statement, Statement> change) throws DatabaseException {
+ //filter floating point values that have less than 1% difference.
+ if (!g.hasValue(change.first.getObject()) || !g.hasValue(change.second.getObject()))
+ return true;
+ Object v1 = g.getValue(change.first.getObject());
+ Object v2 = g.getValue(change.second.getObject());
+
+ if (v1 instanceof Double && v2 instanceof Double) {
+ double d1 = (Double)v1;
+ double d2 = (Double)v2;
+ if (Math.abs(d1-d2) / Math.max(Math.abs(d1), Math.abs(d2)) < percentage)
+ return false;
+ } else if (v1 instanceof Float && v2 instanceof Float) {
+ float d1 = (Float)v1;
+ float d2 = (Float)v2;
+ if (Math.abs(d1-d2) / Math.max(Math.abs(d1), Math.abs(d2)) < percentage)
+ return false;
+ }
+
+ return true;
+ }
+ }
+
+ protected void createDefaultSelections() {
+ // select all changes
+ for (Entry<Resource, UpdateOp> op : updateTree.getUpdateOps().getResourceMap().entrySet()) {
+ op.getValue().select(true);
+ }
+
+
+ for (Pair<Statement, Statement> pair : updateList.getChanges()) {
+ updateList.addSelected(pair);
+ }
+
+ // preserve user-made changes (by removing selections)
+ for (Entry<Resource, UpdateOp> op : updateTree.getUpdateOps().getResourceMap().entrySet()) {
+ UpdateOp op2 = updateTree2.getUpdateOps().getUpdateOp(op.getKey());
+ if (op2 == null) {
+ if (changes3.getComparable().containsRight(op.getKey())){
+ op2 = updateTree2.getUpdateOps().getUpdateOp(changes3.getComparable().getLeft(op.getKey()));
+ }
+ }
+ if (op2 != null && op.getValue().getClass() == op2.getClass()) {
+ op.getValue().select(false);
+ }
+ }
+
+ for (Pair<Statement, Statement> pair : updateList.getChanges()) {
+ if (pair.first != null) {
+ boolean found = false;
+ for (Pair<Statement, Statement> pair2 : updateList2.getChanges()) {
+ if (pair.first.equals(pair2.first)) {
+ found = true;
+ break;
+ }
+ }
+ if (found) {
+ updateList.removeSelected(pair);
+ }
+ }
+ }
+
+ }
+
+ private void showWarning(String string) {
+ for (WarningListener l : warningListeners)
+ l.showWarning(this, string);
+ }
+
+ private List<WarningListener> warningListeners = new ArrayList<>();
+
+ public static interface WarningListener {
+ void showWarning(ModelUpdate update, String warning);
+ }
+
+ public void addListener(WarningListener listener) {
+ warningListeners.add(listener);
+ }
+
+ public void removeListener(WarningListener listener) {
+ warningListeners.remove(listener);
+ }
+}
Code Review / simantics / interop.git / blobdiff