JRValueDataset (JasperReports Javadoc 7.0.0 API)

All Superinterfaces:

Cloneable, DatasetRunHolder, JRChartDataset, JRCloneable, JRElementDataset

All Known Implementing Classes:

JRBaseValueDataset, JRDesignValueDataset, JRFillValueDataset
```
public interface JRValueDataset
extends JRChartDataset
```
This class represents a dataset that consists of a single value. It is used by Meter and Thermometer charts, which plot a single value against a range.

Author:

Barry Klawans (bklawans@users.sourceforge.net)

- Field Summary
  - Fields inherited from interface net.sf.jasperreports.charts.JRChartDataset
    CATEGORY_DATASET, GANTT_DATASET, HIGHLOW_DATASET, PIE_DATASET, TIMEPERIOD_DATASET, TIMESERIES_DATASET, VALUE_DATASET, XY_DATASET, XYZ_DATASET
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  JRExpression getValueExpression()
  Returns the expression that indicates the value held by this dataset.
  - Methods inherited from interface net.sf.jasperreports.charts.JRChartDataset
    collectExpressions, getDatasetType, validate
  - Methods inherited from interface net.sf.jasperreports.engine.JRCloneable
    clone
  - Methods inherited from interface net.sf.jasperreports.engine.JRElementDataset
    collectExpressions, getDatasetResetType, getDatasetRun, getIncrementGroup, getIncrementType, getIncrementWhenExpression, getResetGroup

- Method Detail
  - getValueExpression
```
JRExpression getValueExpression()
```
    Returns the expression that indicates the value held by this dataset.
    
    Returns:
    
    the expression that indicates the value held by this dataset