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Java Source Code / Java Documentation » Report » jasperreports 2.0.1 » net.sf.jasperreports.charts.base 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


net.sf.jasperreports.engine.base.JRBaseChartDataset
   net.sf.jasperreports.charts.base.JRBaseValueDataset

JRBaseValueDataset
public class JRBaseValueDataset extends JRBaseChartDataset implements JRValueDataset(Code)
An immutable version of a dataset that generates a single value. A value dataset is suitable for using with charts that show a single value against a potential range, such as meter chart or a thermometer chart.
author:
   Barry Klawans (bklawans@users.sourceforge.net)
version:
   $Id: JRBaseValueDataset.java 1795 2007-07-30 09:18:47Z teodord $


Field Summary
protected  JRExpressionvalueExpression
     The expression that returns the single value contained in this dataset.

Constructor Summary
public  JRBaseValueDataset(JRChartDataset dataset)
     Construct a new dataset that is a copy of an existing one.
public  JRBaseValueDataset(JRValueDataset dataset, JRBaseObjectFactory factory)
     Constructs a new dataset that is a copy of an existing one, and register all of the new dataset's expressions with the specified factory.

Method Summary
public  voidcollectExpressions(JRExpressionCollector collector)
     Adds all the expression used by this plot with the specified collector.
public  bytegetDatasetType()
    
public  JRExpressiongetValueExpression()
    
public  voidvalidate(JRVerifier verifier)
    

Field Detail
valueExpression
protected JRExpression valueExpression(Code)
The expression that returns the single value contained in this dataset.




Constructor Detail
JRBaseValueDataset
public JRBaseValueDataset(JRChartDataset dataset)(Code)
Construct a new dataset that is a copy of an existing one.
Parameters:
  dataset - the dataset to copy



JRBaseValueDataset
public JRBaseValueDataset(JRValueDataset dataset, JRBaseObjectFactory factory)(Code)
Constructs a new dataset that is a copy of an existing one, and register all of the new dataset's expressions with the specified factory.
Parameters:
  dataset - the datast to copy
Parameters:
  factory - the factory to register the new dataset's expressions with




Method Detail
collectExpressions
public void collectExpressions(JRExpressionCollector collector)(Code)
Adds all the expression used by this plot with the specified collector. All collected expression that are also registered with a factory will be included with the report is compiled.
Parameters:
  collector - the expression collector to use



getDatasetType
public byte getDatasetType()(Code)



getValueExpression
public JRExpression getValueExpression()(Code)



validate
public void validate(JRVerifier verifier)(Code)




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