+/*******************************************************************************
+ * Copyright (c) 2018 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.structural2.variables;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Set;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.utils.datastructures.Pair;
+import org.slf4j.LoggerFactory;
+
+import gnu.trove.set.hash.THashSet;
+
+/**
+ * @author Antti Villberg
+ * @since 1.36.0
+ */
+public class FixedConnection implements Connection, Connection2 {
+
+ private static final org.slf4j.Logger LOGGER = LoggerFactory.getLogger(FixedConnection.class);
+
+ /*
+ * This is the parent of the component to be connected
+ */
+ private final Variable procedural;
+
+ private final Collection<Pair<String, Resource>> cps = new ArrayList<Pair<String, Resource>>();
+
+ public FixedConnection(Variable procedural) {
+ this.procedural = procedural;
+ }
+
+ public void addAll(List<Pair<String, Resource>> cps) throws DatabaseException {
+ /*
+ * For interface connections the name is null
+ */
+ for (Pair<String, Resource> cp : cps) {
+ this.cps.add(cp);
+ }
+ }
+
+ public int size() {
+ return cps.size();
+ }
+
+ public void addConnectionDescriptors(ReadGraph graph, Variable curConfiguration,
+ Collection<VariableConnectionPointDescriptor> result) throws DatabaseException {
+ for (Pair<String, Resource> cpzz : cps) {
+ // This is a connection to an interface terminal. It is handled by
+ // ConnectionBrowser in separate logic. We should never have gotten this far
+ if (cpzz.first == null) {
+ String message = "Lifted connection was not resolved. Child = " + procedural.getURI(graph);
+ throw new DatabaseException(message);
+ }
+ result.add(new PairConnectionDescriptor(curConfiguration, cpzz));
+ }
+ }
+
+ @Override
+ public Collection<Variable> getConnectionPoints(ReadGraph graph, Resource relationType) throws DatabaseException {
+ Set<Variable> result = new THashSet<Variable>();
+ for (Pair<String, Resource> cp : cps) {
+ Variable component = cp.first == null ? procedural : procedural.getChild(graph, cp.first);
+ Variable cp2 = component.getPossibleProperty(graph, cp.second);
+ if (cp2 != null)
+ for (VariableConnectionPointDescriptor desc : ConnectionBrowser.flatten(graph, component, cp.second,
+ relationType)) {
+ result.add(desc.getVariable(graph));
+ }
+ else
+ LOGGER.warn("no cp " + cp.first + " for " + component.getURI(graph));
+ }
+ return result;
+ }
+
+ @Override
+ public Collection<String> getConnectionPointURIs(ReadGraph graph, Resource relationType) throws DatabaseException {
+ Set<String> result = new THashSet<String>();
+ for (Pair<String, Resource> cp : cps) {
+ Variable component = cp.first == null ? procedural : procedural.getChild(graph, cp.first);
+ Variable cp2 = component.getPossibleProperty(graph, cp.second);
+ if (cp2 != null)
+ for (VariableConnectionPointDescriptor desc : ConnectionBrowser.flatten(graph, component, cp.second,
+ relationType)) {
+ result.add(desc.getURI(graph));
+ }
+ else
+ LOGGER.warn("no cp " + cp.first + " for " + component.getURI(graph));
+ }
+ return result;
+ }
+
+ @Override
+ public Collection<VariableConnectionPointDescriptor> getConnectionPointDescriptors(ReadGraph graph,
+ Resource relationType) throws DatabaseException {
+ Set<VariableConnectionPointDescriptor> result = new THashSet<VariableConnectionPointDescriptor>();
+ for (Pair<String, Resource> cp : cps) {
+ Variable component = cp.first == null ? procedural : procedural.getChild(graph, cp.first);
+ Variable cp2 = component.getPossibleProperty(graph, cp.second);
+ if (cp2 != null)
+ result.addAll(ConnectionBrowser.flatten(graph, component, cp.second, relationType));
+ else
+ LOGGER.warn("no cp " + cp.first + " for " + component.getURI(graph));
+ }
+ return result;
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + ((cps == null) ? 0 : cps.hashCode());
+ result = prime * result + ((procedural == null) ? 0 : procedural.hashCode());
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (getClass() != obj.getClass())
+ return false;
+ FixedConnection other = (FixedConnection) obj;
+ if (cps == null) {
+ if (other.cps != null)
+ return false;
+ } else if (!cps.equals(other.cps))
+ return false;
+ if (procedural == null) {
+ if (other.procedural != null)
+ return false;
+ } else if (!procedural.equals(other.procedural))
+ return false;
+ return true;
+ }
+
+ @Override
+ public Collection<VariableConnectionPointDescriptor> getConnectionPointDescriptors(ReadGraph graph,
+ Variable component, Resource relationType) throws DatabaseException {
+ Set<VariableConnectionPointDescriptor> result = new THashSet<VariableConnectionPointDescriptor>();
+ for (Pair<String, Resource> cp : cps) {
+ Variable base = cp.first == null ? component.getParent(graph) : component;
+ Variable cp2 = base.getPossibleProperty(graph, cp.second);
+ if (cp2 != null)
+ result.addAll(ConnectionBrowser.flatten(graph, base, cp.second, relationType));
+ else
+ LOGGER.warn("no cp " + cp.first + " for " + base.getURI(graph));
+ }
+ return result;
+ }
+
+ @Override
+ public Collection<Variable> getConnectionPoints(ReadGraph graph, Variable component, Resource relationType)
+ throws DatabaseException {
+ Set<Variable> result = new THashSet<Variable>();
+ for (Pair<String, Resource> cp : cps) {
+ Variable base = cp.first == null ? component.getParent(graph) : component;
+ Variable cp2 = base.getPossibleProperty(graph, cp.second);
+ if (cp2 != null)
+ for (VariableConnectionPointDescriptor desc : ConnectionBrowser.flatten(graph, base, cp.second,
+ relationType)) {
+ result.add(desc.getVariable(graph));
+ }
+ else
+ LOGGER.warn("no cp " + cp.first + " for " + base.getURI(graph));
+ }
+ return result;
+ }
+
+ @Override
+ public Collection<String> getConnectionPointURIs(ReadGraph graph, Variable component, Resource relationType)
+ throws DatabaseException {
+ Set<String> result = new THashSet<String>();
+ for (Pair<String, Resource> cp : cps) {
+ Variable base = cp.first == null ? component.getParent(graph) : component;
+ Variable cp2 = base.getPossibleProperty(graph, cp.second);
+ if (cp2 != null)
+ for (VariableConnectionPointDescriptor desc : ConnectionBrowser.flatten(graph, base, cp.second,
+ relationType)) {
+ result.add(desc.getURI(graph));
+ }
+ else
+ LOGGER.warn("no cp " + cp.first + " for " + base.getURI(graph));
+ }
+ return result;
+ }
+
+ @Override
+ public Connection2 getConnection2() {
+ return this;
+ }
+
+}
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