Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.structural2 / src / org / simantics / structural2 / internal / queries / RelatedConnections.java

diff --git a/bundles/org.simantics.structural2/src/org/simantics/structural2/internal/queries/RelatedConnections.java b/bundles/org.simantics.structural2/src/org/simantics/structural2/internal/queries/RelatedConnections.java
new file mode 100644 (file)
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+++ b/bundles/org.simantics.structural2/src/org/simantics/structural2/internal/queries/RelatedConnections.java
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+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.structural2.internal.queries;\r
+\r
+import java.util.Set;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.ResourceRead;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.structural2.queries.ConnectionSet;\r
+\r
+/**\r
+ * Returns all connections that are reachable from the given connection\r
+ * with IsJoinedBy-relation including the given connection itself.\r
+ * \r
+ * @author Hannu Niemistö\r
+ */\r
+public class RelatedConnections extends ResourceRead<Set<Resource>>{\r
+\r
+    public RelatedConnections(Resource connection) {\r
+        super(connection);\r
+    }\r
+\r
+    @Override\r
+    public Set<Resource> perform(ReadGraph g) throws DatabaseException {\r
+        ConnectionSet connectionSet = new ConnectionSet(g);\r
+        connectionSet.addConnection(g, resource);\r
+        return connectionSet.getConnections();\r
+    }\r
+\r
+}\r