first commit

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

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+package net.sf.jasperreports.engine.fill;
+
+import java.util.TimeZone;
+import net.sf.jasperreports.engine.JRDatasetRun;
+import net.sf.jasperreports.engine.JRElementDataset;
+import net.sf.jasperreports.engine.JRException;
+import net.sf.jasperreports.engine.JRExpression;
+import net.sf.jasperreports.engine.JRGroup;
+
+public abstract class JRFillElementDataset implements JRElementDataset {
+  protected JRElementDataset parent = null;
+  
+  private final JRBaseFiller filler;
+  
+  protected JRGroup resetGroup = null;
+  
+  protected JRGroup incrementGroup = null;
+  
+  private boolean isIncremented = true;
+  
+  protected JRFillDatasetRun datasetRun;
+  
+  private boolean increment = false;
+  
+  protected JRFillElementDataset(JRElementDataset dataset, JRFillObjectFactory factory) {
+    factory.put(dataset, this);
+    this.parent = dataset;
+    this.filler = factory.getFiller();
+    this.resetGroup = factory.getGroup(dataset.getResetGroup());
+    this.incrementGroup = factory.getGroup(dataset.getIncrementGroup());
+    this.datasetRun = factory.getDatasetRun(dataset.getDatasetRun());
+  }
+  
+  public byte getResetType() {
+    return this.parent.getResetType();
+  }
+  
+  public byte getIncrementType() {
+    return this.parent.getIncrementType();
+  }
+  
+  public JRGroup getResetGroup() {
+    return this.resetGroup;
+  }
+  
+  public JRGroup getIncrementGroup() {
+    return this.incrementGroup;
+  }
+  
+  protected TimeZone getTimeZone() {
+    return this.filler.getTimeZone();
+  }
+  
+  protected void initialize() {
+    customInitialize();
+    this.isIncremented = false;
+    this.increment = false;
+  }
+  
+  protected void evaluate(JRCalculator calculator) throws JRExpressionEvalException {
+    evaluateIncrementWhenExpression(calculator);
+    if (this.increment)
+      customEvaluate(calculator); 
+    this.isIncremented = false;
+  }
+  
+  protected void evaluateIncrementWhenExpression(JRCalculator calculator) throws JRExpressionEvalException {
+    JRExpression incrementWhenExpression = getIncrementWhenExpression();
+    if (incrementWhenExpression == null) {
+      this.increment = true;
+    } else {
+      Boolean evaluated = (Boolean)calculator.evaluate(incrementWhenExpression);
+      this.increment = (evaluated != null && evaluated.booleanValue());
+    } 
+  }
+  
+  protected void increment() {
+    if (!this.isIncremented && this.increment)
+      customIncrement(); 
+    this.isIncremented = true;
+  }
+  
+  protected abstract void customInitialize();
+  
+  protected abstract void customEvaluate(JRCalculator paramJRCalculator) throws JRExpressionEvalException;
+  
+  protected abstract void customIncrement();
+  
+  public JRDatasetRun getDatasetRun() {
+    return this.datasetRun;
+  }
+  
+  public void evaluateDatasetRun(byte evaluation) throws JRException {
+    if (this.datasetRun != null)
+      this.datasetRun.evaluate(this, evaluation); 
+  }
+  
+  public JRFillDataset getInputDataset() {
+    JRFillDataset inputDataset;
+    if (this.datasetRun != null) {
+      inputDataset = this.datasetRun.getDataset();
+    } else {
+      inputDataset = this.filler.mainDataset;
+    } 
+    return inputDataset;
+  }
+  
+  public JRExpression getIncrementWhenExpression() {
+    return this.parent.getIncrementWhenExpression();
+  }
+  
+  public Object clone() {
+    return null;
+  }
+}