add more performant accessors and use them in decoding

Author: baltzell

common-tools/clas-detector/src/main/java/org/jlab/detector/decode/DetectorEventDecoder.java

@@ -162,10 +162,10 @@ public void translate(List<DetectorDataDgtz>  detectorData){
                 // Found it; now set the detector indexing for this hit:
                 if (t.hasEntryByHash(hash)) {
 
-                    int sector    = t.getIntValueByHash("sector", hash);
-                    int layer     = t.getIntValueByHash("layer", hash);
-                    int component = t.getIntValueByHash("component", hash);
-                    int order     = t.getIntValueByHash("order", hash);
+                    int sector    = t.getIntValueByHash(0, hash);
+                    int layer     = t.getIntValueByHash(1, hash);
+                    int component = t.getIntValueByHash(2, hash);
+                    int order     = t.getIntValueByHash(3, hash);
 
                     data.getDescriptor().setSectorLayerComponent(sector, layer, component);
                     data.getDescriptor().setOrder(order);

common-tools/clas-utils/src/main/java/org/jlab/utils/groups/IndexedTable.java

@@ -133,6 +133,18 @@ public  void setDoubleValue(Double value, String item, int... index){
         }
     }
 
+    public int getIntValueByHash(int index, long hash) {
+        if (this.entries.hasItemByHash(hash))
+            return this.entries.getItemByHash(hash).getValue(index).intValue();
+        return 0;
+    }
+    
+    public double getDoubleValueByHash(int index, long hash) {
+        if (this.entries.hasItemByHash(hash))
+            return this.entries.getItemByHash(hash).getValue(index).doubleValue();
+        return 0;
+    }
+
     public int getIntValueByHash(String item, long hash) {
         if (this.entries.hasItemByHash(hash)) {
             if (this.entryMap.containsKey(item)) {