Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.common / src / org / simantics / db / common / request / SuperTypeString.java

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/SuperTypeString.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/SuperTypeString.java
new file mode 100644 (file)
index 0000000..9cc3719
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/SuperTypeString.java
@@ -0,0 +1,61 @@
+/*******************************************************************************\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.db.common.request;\r
+\r
+import java.util.Set;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.utils.Logger;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.layer0.Layer0;\r
+\r
+public class SuperTypeString extends BinaryRead<Resource, String, String> {\r
+\r
+    public SuperTypeString(Resource type) {\r
+        super(type, " ");\r
+    }\r
+\r
+    public SuperTypeString(Resource type, String separator) {\r
+        super(type, separator);\r
+        if (separator == null)\r
+            throw new NullPointerException("null separator");\r
+    }\r
+\r
+    @Override\r
+    public String perform(ReadGraph graph) throws DatabaseException {\r
+       \r
+       Layer0 L0 = Layer0.getInstance(graph);\r
+       Set<Resource> supers = graph.getSupertypes(parameter);\r
+        final StringBuilder b = new StringBuilder();\r
+        String name = graph.getPossibleRelatedValue(parameter, L0.HasName, Bindings.STRING);\r
+        if(name != null) {\r
+               b.append(name);\r
+            for (Resource r : supers) {\r
+               name = graph.getPossibleRelatedValue(r, L0.HasName, Bindings.STRING);\r
+               if(name != null) {\r
+                       b.append(parameter2);\r
+                       b.append(name);\r
+               } else {\r
+                       Logger.defaultLogError(new DatabaseException("No name for type " + r));\r
+               }\r
+            }\r
+        } else {\r
+               Logger.defaultLogError(new DatabaseException("No name for type " + parameter));\r
+        }\r
+        \r
+        return b.toString();\r
+\r
+    }\r
+\r
+}
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