first commit

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

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+package net.sf.jasperreports.engine.fill;
+
+import java.util.HashSet;
+import java.util.Set;
+
+class DistinctCountHolder {
+  private Set distinctValues = null;
+  
+  private Object lastValue = null;
+  
+  public DistinctCountHolder() {
+    this.distinctValues = new HashSet();
+  }
+  
+  public DistinctCountHolder(Set distinctValues) {
+    this.distinctValues = distinctValues;
+  }
+  
+  public DistinctCountHolder(DistinctCountHolder holder, Object lastValue) {
+    this.distinctValues = holder.getDistinctValues();
+    this.lastValue = lastValue;
+  }
+  
+  public void init() {
+    this.distinctValues = new HashSet();
+  }
+  
+  public Set getDistinctValues() {
+    return this.distinctValues;
+  }
+  
+  public Object getLastValue() {
+    return this.lastValue;
+  }
+  
+  public void addLastValue() {
+    if (this.lastValue != null)
+      this.distinctValues.add(this.lastValue); 
+    this.lastValue = null;
+  }
+  
+  public long getCount() {
+    return (this.distinctValues.size() + ((this.lastValue == null || this.distinctValues.contains(this.lastValue)) ? 0 : 1));
+  }
+}