add class for string-indexed tables

Author: baltzell

common-tools/clas-detector/src/main/java/org/jlab/detector/calib/utils/StringIndexedTable.java

@@ -0,0 +1,34 @@
+package org.jlab.detector.calib.utils;
+
+import java.util.Map;
+import java.util.List;
+import java.util.LinkedHashMap;
+import org.jlab.ccdb.Assignment;
+import org.jlab.ccdb.TypeTableColumn;
+import javax.swing.table.DefaultTableModel;
+
+public class StringIndexedTable extends DefaultTableModel {
+
+    private final Map<String, Integer> keyrows = new LinkedHashMap<>();
+    private Assignment assignment = null;
+
+    public StringIndexedTable(Assignment a) {
+        List<TypeTableColumn> t = a.getTypeTable().getColumns();
+        for (int i=0; i<a.getRowCount(); ++i)
+            keyrows.put(a.getColumnValuesString(t.get(0).getName()).get(i), i);
+        assignment = a;
+    }
+
+    public String getValueString(String key, String varname) {
+        return assignment.getColumnValuesString(varname).get(keyrows.get(key));
+    }
+
+    public float getValueFloat(String key, String varname) {
+        return Float.parseFloat(getValueString(key, varname));
+    }
+
+    public int getValueInt(String key, String varname) {
+        return Integer.parseInt(getValueString(key, varname));
+    }
+
+}