--- /dev/null
+/*******************************************************************************\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.ResourceSet;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.layer0.Layer0;\r
+\r
+public class TypeString extends BinaryRead<ResourceSet, String, String> {\r
+\r
+ final private Layer0 L0;\r
+ \r
+ public TypeString(Layer0 L0, Set<Resource> set) {\r
+ super((ResourceSet)set, " ");\r
+ this.L0 = L0;\r
+ }\r
+\r
+// public TypeString(Layer0 L0, ResourceSet set, String separator) {\r
+// super(set, separator);\r
+// if (separator == null)\r
+// throw new NullPointerException("null separator");\r
+// this.L0 = L0;\r
+// }\r
+\r
+ @Override\r
+ public String perform(ReadGraph graph) throws DatabaseException {\r
+\r
+ if (parameter == null || parameter.isEmpty()) return "";\r
+\r
+ StringBuilder result = new StringBuilder();\r
+\r
+ boolean first = true;\r
+ for(Resource r : parameter) {\r
+ String name = graph.getPossibleRelatedValue(r, L0.HasName, Bindings.STRING);\r
+ if(!first) result.append(parameter2);\r
+ else first = false;\r
+ result.append(name);\r
+ }\r
+ \r
+ return result.toString();\r
+ \r
+ }\r
+\r
+}
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