first commit

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

@@ -0,0 +1,41 @@
+package net.sf.jasperreports.engine.fill;
+
+public class JRDoubleIncrementerFactory extends JRAbstractExtendedIncrementerFactory {
+  protected static final Double ZERO = new Double(0.0D);
+  
+  private static JRDoubleIncrementerFactory mainInstance = new JRDoubleIncrementerFactory();
+  
+  public static JRDoubleIncrementerFactory getInstance() {
+    return mainInstance;
+  }
+  
+  public JRExtendedIncrementer getExtendedIncrementer(byte calculation) {
+    JRExtendedIncrementer incrementer = null;
+    switch (calculation) {
+      case 1:
+        incrementer = JRDoubleCountIncrementer.getInstance();
+        return incrementer;
+      case 2:
+        incrementer = JRDoubleSumIncrementer.getInstance();
+        return incrementer;
+      case 3:
+        incrementer = JRDoubleAverageIncrementer.getInstance();
+        return incrementer;
+      case 4:
+      case 5:
+        incrementer = JRComparableIncrementerFactory.getInstance().getExtendedIncrementer(calculation);
+        return incrementer;
+      case 6:
+        incrementer = JRDoubleStandardDeviationIncrementer.getInstance();
+        return incrementer;
+      case 7:
+        incrementer = JRDoubleVarianceIncrementer.getInstance();
+        return incrementer;
+      case 10:
+        incrementer = JRDoubleDistinctCountIncrementer.getInstance();
+        return incrementer;
+    } 
+    incrementer = JRDefaultIncrementerFactory.getInstance().getExtendedIncrementer(calculation);
+    return incrementer;
+  }
+}