Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/TypeString.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/TypeString.java
new file mode 100644 (file)
index 0000000..a2faedb
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/TypeString.java
@@ -0,0 +1,58 @@
+/*******************************************************************************\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
+}
\ No newline at end of file