Implemented the dimension values retrieval mechanism for the selection

tables

java/com.sap.sse.datamining.shared/src/com/sap/sse/datamining/shared/impl/GenericGroupKey.java

@@ -17,6 +17,10 @@ public class GenericGroupKey<T> extends AbstractGroupKey {
     public GenericGroupKey(T value) {
         this.value = value;
     }
+    
+    public T getValue() {
+        return value;
+    }
 
     @Override
     public boolean hasSubKey() {

java/com.sap.sse.datamining.shared/src/com/sap/sse/datamining/shared/impl/NullAdditionalResultData.java

@@ -0,0 +1,34 @@
+package com.sap.sse.datamining.shared.impl;
+
+import com.sap.sse.datamining.shared.AdditionalResultData;
+import com.sap.sse.datamining.shared.Unit;
+
+public class NullAdditionalResultData implements AdditionalResultData {
+    private static final long serialVersionUID = -8129840449690994767L;
+
+    @Override
+    public int getRetrievedDataAmount() {
+        return 0;
+    }
+
+    @Override
+    public double getCalculationTimeInSeconds() {
+        return 0;
+    }
+
+    @Override
+    public String getResultSignifier() {
+        return "";
+    }
+
+    @Override
+    public Unit getUnit() {
+        return Unit.None;
+    }
+
+    @Override
+    public int getValueDecimals() {
+        return 0;
+    }
+
+}

java/com.sap.sse.datamining.shared/src/com/sap/sse/datamining/shared/impl/QueryResultImpl.java

@@ -20,6 +20,10 @@ public class QueryResultImpl<AggregatedType> implements QueryResult<AggregatedTy
     @Deprecated
     QueryResultImpl() { }
     
+    public QueryResultImpl(Map<GroupKey, AggregatedType> results) {
+        this(results, new NullAdditionalResultData());
+    }
+    
     public QueryResultImpl(Map<GroupKey, AggregatedType> results, AdditionalResultData additionalData) {
         this.results = new HashMap<GroupKey, AggregatedType>(results);
         this.additionalData = additionalData;