first commit

hrmsEjb/net/sf/jasperreports/engine/fill/JRComparableLowestIncrementer.java

@@ -0,0 +1,21 @@
+package net.sf.jasperreports.engine.fill;
+
+class JRComparableLowestIncrementer extends JRAbstractExtendedIncrementer {
+  private static JRComparableLowestIncrementer mainInstance = new JRComparableLowestIncrementer();
+  
+  public static JRComparableLowestIncrementer getInstance() {
+    return mainInstance;
+  }
+  
+  public Object increment(JRCalculable variable, Object expressionValue, AbstractValueProvider valueProvider) {
+    Comparable value = (Comparable)variable.getIncrementedValue();
+    Comparable newValue = (Comparable)expressionValue;
+    if (value != null && !variable.isInitialized() && (newValue == null || value.compareTo(newValue) < 0))
+      newValue = value; 
+    return newValue;
+  }
+  
+  public Object initialValue() {
+    return null;
+  }
+}