X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Frequest%2FTypeString.java;fp=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2Frequest%2FTypeString.java;h=a2faedb5abcd9aba3a784ce76d3901b85d281b8b;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

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