Replaceable Defined Component Types

[simantics/platform.git] / bundles / org.simantics.structural2 / src / org / simantics / structural2 / ConnectionImpl2.java

diff --git a/bundles/org.simantics.structural2/src/org/simantics/structural2/ConnectionImpl2.java b/bundles/org.simantics.structural2/src/org/simantics/structural2/ConnectionImpl2.java
new file mode 100644 (file)
index 0000000..e4b898a
--- /dev/null
+++ b/bundles/org.simantics.structural2/src/org/simantics/structural2/ConnectionImpl2.java
@@ -0,0 +1,85 @@
+/*******************************************************************************
+ * 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.structural2;
+
+import java.util.Collection;
+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.structural2.variables.Connection;
+import org.simantics.structural2.variables.ConnectionBrowser;
+import org.simantics.structural2.variables.VariableConnectionPointDescriptor;
+
+import gnu.trove.set.hash.THashSet;
+
+public class ConnectionImpl2 implements Connection {
+
+    private final Variable component;
+    private final Resource predicate;
+    
+    public ConnectionImpl2(Variable component, Resource predicate) {
+        this.component = component;
+        this.predicate = predicate;
+    }
+    
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((predicate == null) ? 0 : predicate.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;
+        ConnectionImpl2 other = (ConnectionImpl2) obj;
+        if (predicate == null) {
+            if (other.predicate != null)
+                return false;
+        } else if (!predicate.equals(other.predicate))
+            return false;
+        return true;
+    }
+
+    @Override
+    public Collection<Variable> getConnectionPoints(ReadGraph graph, Resource relationType) throws DatabaseException {
+        Set<Variable> result = new THashSet<Variable>();
+        for(VariableConnectionPointDescriptor desc : ConnectionBrowser.flatten(graph, component, predicate, relationType)) {
+            result.add(desc.getVariable(graph));
+        }
+        return result;
+    }
+    
+    @Override
+    public Collection<String> getConnectionPointURIs(ReadGraph graph, Resource relationType) throws DatabaseException {
+        Set<String> result = new THashSet<String>();
+        for(VariableConnectionPointDescriptor desc : ConnectionBrowser.flatten(graph, component, predicate, relationType)) {
+            result.add(desc.getURI(graph));
+        }
+        return result;
+    }
+
+    @Override
+    public Collection<VariableConnectionPointDescriptor> getConnectionPointDescriptors(ReadGraph graph, Resource relationType) throws DatabaseException {
+        return ConnectionBrowser.flatten(graph, component, predicate, relationType);
+    }
+
+}
\ No newline at end of file