+++ /dev/null
-/*******************************************************************************
- * 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.modeling.adapters;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Set;
-
-import org.simantics.databoard.Bindings;
-import org.simantics.db.ReadGraph;
-import org.simantics.db.Resource;
-import org.simantics.db.common.NamedResource;
-import org.simantics.db.common.request.PossibleIndexRoot;
-import org.simantics.db.common.request.PossibleObjectWithType;
-import org.simantics.db.common.utils.NameUtils;
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.db.exception.VariableException;
-import org.simantics.db.layer0.QueryIndexUtils;
-import org.simantics.db.layer0.request.PossibleModel;
-import org.simantics.db.layer0.variable.RVI;
-import org.simantics.db.layer0.variable.Variable;
-import org.simantics.db.layer0.variable.Variables;
-import org.simantics.diagram.content.ConnectionUtil;
-import org.simantics.diagram.stubs.DiagramResource;
-import org.simantics.layer0.Layer0;
-import org.simantics.modeling.ModelingResources;
-import org.simantics.structural.stubs.StructuralResource2;
-import org.simantics.utils.ui.ErrorLogger;
-
-import gnu.trove.set.hash.THashSet;
-
-/**
- * @author Tuukka Lehtonen
- */
-final class Removers {
-
- public static ValidationResult validateFlagRemoval(ReadGraph graph, Resource flag) throws DatabaseException {
- DiagramResource DIA = DiagramResource.getInstance(graph);
-
- for (Resource connectionRelation : graph.getObjects(flag, DIA.IsLiftedAs)) {
- ValidationResult result = validateConnectionRelationRemoval(graph, connectionRelation, null);
- if (!result.inUse())
- continue;
- return result;
- }
- return new ValidationResult();
- }
-
- public static ValidationResult validateConnectionRelationRemoval(ReadGraph graph, Resource connectionRelation, Resource diagramConnectionRelation) throws DatabaseException {
- Layer0 L0 = Layer0.getInstance(graph);
- StructuralResource2 STR = StructuralResource2.getInstance(graph);
-
- ValidationResult result = new ValidationResult();
-
- // This is a connection point of a structural component type configuration.
- String connectionRelationName = NameUtils.getSafeLabel(graph, connectionRelation);
- result.connectionRelation = new NamedResource(connectionRelationName, connectionRelation);
- if (diagramConnectionRelation != null) {
- String diagramConnectionRelationName = NameUtils.getSafeLabel(graph, diagramConnectionRelation);
- result.diagramConnectionRelation = new NamedResource(diagramConnectionRelationName, diagramConnectionRelation);
- }
-
- // 1. Get component type
- Resource componentType = graph.sync( new PossibleObjectWithType(connectionRelation, L0.PartOf, STR.ComponentType) );
- if (componentType == null)
- return result;
- String componentTypeName = graph.getPossibleRelatedValue(componentType, L0.HasName, Bindings.STRING);
- if (componentTypeName == null)
- return result;
- result.componentType = new NamedResource(componentTypeName, componentType);
-
- // 2. Find index roots that may contain references to this component type
- Set<Resource> indexRoots = new THashSet<Resource>();
- Resource indexRoot = graph.sync( new PossibleIndexRoot(componentType) );
- if (indexRoot == null)
- return result;
- String indexRootName = graph.getPossibleRelatedValue(indexRoot, L0.HasName, Bindings.STRING);
- if (indexRootName == null)
- return result;
- result.containingIndexRoot = new NamedResource(indexRootName, indexRoot);
-
- Resource model = graph.sync( new PossibleModel(indexRoot) );
- if (model == null) {
- // Need to look for references in all models that use this shared library.
- indexRoots.addAll( graph.getObjects(indexRoot, L0.IsLinkedTo_Inverse) );
- } else {
- // The component type is in a model, other models can't reference it.
- indexRoots.add(model);
- }
-
- // 3. Check whether this connection point is in use in any
- // instances of this component type within the containing model.
- for (Resource root : indexRoots) {
- validateConnectionRelationRemovalForIndexRoot(graph, root, connectionRelation, diagramConnectionRelation, result);
- }
-
- return result;
- }
-
- private static void validateConnectionRelationRemovalForIndexRoot(ReadGraph graph, Resource root, Resource connectionRelation, Resource diagramConnectionRelation, ValidationResult result) throws DatabaseException {
- String rootURI = graph.getPossibleURI(root);
- if (rootURI == null)
- return;
-
- Layer0 L0 = Layer0.getInstance(graph);
- String rootName = graph.getPossibleRelatedValue(root, L0.HasName, Bindings.STRING);
- if (rootName == null)
- return;
- NamedResource namedRoot = new NamedResource(rootName, root);
-
- List<Resource> components = QueryIndexUtils.searchByTypeShallow(graph, root, result.componentType.getResource());
- if (components.isEmpty())
- return;
-
- ModelingResources MOD = ModelingResources.getInstance(graph);
- StructuralResource2 STR = StructuralResource2.getInstance(graph);
-
- for (Resource component : components) {
- String componentName = graph.getPossibleRelatedValue(component, L0.HasName, Bindings.STRING);
- next_connection:
- for (Resource connection : graph.getObjects(component, connectionRelation)) {
- if (graph.isInstanceOf(connection, STR.Connection)) {
-
- if (diagramConnectionRelation != null) {
- // When diagram connection relation is defined, validate that
- // exactly the specified diagram connection relation is being
- // used and not some other relation from another symbol.
- for (Resource element : graph.getObjects(component, MOD.ComponentToElement)) {
- for (Resource diagramConnector : graph.getObjects(element, diagramConnectionRelation)) {
- Resource diagramConnection = ConnectionUtil.tryGetConnection(graph, diagramConnector);
- if (diagramConnection == null)
- continue;
- Resource correspondingConnection = graph.getPossibleObject(diagramConnection, MOD.DiagramConnectionToConnection);
- Resource correspondingConnectionSpecial = graph.getPossibleObject(diagramConnection, MOD.DiagramConnectionToConnectionSpecial);
- if (connection.equals(correspondingConnection) || connection.equals(correspondingConnectionSpecial)) {
- addUse(graph, component, componentName, namedRoot, rootURI, result);
- continue next_connection;
- }
- }
- }
- } else {
- addUse(graph, component, componentName, namedRoot, rootURI, result);
- }
- }
- }
- }
- }
-
- private static boolean addUse(ReadGraph graph, Resource component, String componentName, NamedResource namedRoot, String rootURI, ValidationResult result) throws DatabaseException {
- String uri = null;
- try {
- Variable variable = Variables.getVariable(graph, component);
- if (!result.usedVariables.add(variable))
- return false;
-
- Use use = new Use();
- use.resource = component;
- use.name = componentName;
- use.variable = variable;
- use.root = namedRoot;
- uri = use.rootUri = use.variable.getURI(graph).replace(rootURI, "");
- use.context = Variables.getPossibleContext(graph, use.variable);
- if (use.context != null) {
- use.path = Variables.getPossibleRVI2(graph, variable);
- }
- result.uses.add( use );
- return true;
- } catch (VariableException e) {
- // Might happen with corrupt data, don't panic, just ignore.
- ErrorLogger.defaultLogWarning("Connection relation removal validation ignored invalid connection to component " + uri, e);
- return false;
- }
- }
-
- public static String formatError(ReadGraph graph, ValidationResult result) throws DatabaseException {
- StringBuilder sb = new StringBuilder();
- sb.append("Cannot remove connection point '" + result.connectionRelation.getName() + "'\nfrom user component '" + result.componentType.getName() + "'.")
- .append("\nIt is used in " + result.uses.size() + " instance(s):\n\n");
-
- // See whether the uses contain references from other libraries/models
- // than the containing index root.
- boolean absoluteUris = false;
- for (Use use : result.uses) {
- if (!use.root.getResource().equals(result.containingIndexRoot.getResource())) {
- absoluteUris = true;
- break;
- }
- }
-
- for (Use use : result.uses) {
- if (use.context != null) {
- if (absoluteUris) {
- sb.append("/").append(use.root.getName()).append(use.rootUri);
- } else {
- sb.append(use.path.toPossibleString(graph, use.context));
- }
- } else {
- if (absoluteUris)
- sb.append("/").append(use.root.getName());
- sb.append(use.rootUri);
- }
- sb.append("\n");
- }
- return sb.toString();
- }
-
- public static class Use {
- public String name;
- public Resource resource;
- public Variable variable;
- public Variable context;
- public RVI path;
- public NamedResource root;
- public String rootUri;
- }
-
- public static class ValidationResult {
- public NamedResource containingIndexRoot;
- public NamedResource componentType;
- public NamedResource connectionRelation;
- public NamedResource diagramConnectionRelation;
- public Set<Variable> usedVariables = new THashSet<Variable>();
- public Collection<Use> uses = new ArrayList<Use>();
-
- public boolean inUse() {
- return !uses.isEmpty();
- }
- }
-
-}
Code Review / simantics / platform.git / blobdiff