add "translation table", with additional DetectorType index

Author: baltzell

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

@@ -0,0 +1,34 @@
+package org.jlab.detector.decode;
+
+import org.jlab.detector.base.DetectorType;
+import org.jlab.utils.groups.IndexedTable;
+
+/**
+ *
+ * @author baltzell
+ */
+public class TranslationTable extends IndexedTable {
+
+    public TranslationTable() {
+        super(3,new String[]{"sector/I","layer/I","component/I","order/I","type/I"});
+    };
+
+    public void add(DetectorType dt, IndexedTable it) {
+        for (Object key : it.getList().getMap().keySet()) {
+            int crate = IndexedTable.DEFAULT_GENERATOR.getIndex((long) key, 0);
+            int slot = IndexedTable.DEFAULT_GENERATOR.getIndex((long) key, 1);
+            int channel = IndexedTable.DEFAULT_GENERATOR.getIndex((long) key, 2);
+            long hash = IndexedTable.DEFAULT_GENERATOR.hashCode(crate, slot, channel);
+            // add row to the new table:
+            addEntry(crate, slot, channel);
+            // add all entries to the new row:
+            int column;
+            for (column=0; column<it.getEntryMap().values().size(); column++) {
+                int value = it.getIntValueByHash(column, hash);
+                setIntValueByHash(value, column, hash);
+            }
+            // add the new detector type:
+            setIntValueByHash(dt.getDetectorId(), column, hash);
+        }
+    }
+}