first commit

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

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+package net.sf.jasperreports.engine.fill;
+
+class JRComparableHighestIncrementer extends JRAbstractExtendedIncrementer {
+  private static JRComparableHighestIncrementer mainInstance = new JRComparableHighestIncrementer();
+  
+  public static JRComparableHighestIncrementer 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;
+  }
+}