net.sf.jasperreports.charts

## Interface JRValueDataset

- All Superinterfaces:
    java.lang.Cloneable, 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.
  Version:
    $Id: JRValueDataset.java 5877 2013-01-07 19:51:14Z teodord $
  Author:
    Barry Klawans (bklawans@users.sourceforge.net)

- - ### Field Summary

    - ### Fields inherited from interface net.sf.jasperreports.engine.JRChartDataset

      `CATEGORY_DATASET, GANTT_DATASET, HIGHLOW_DATASET, PIE_DATASET, TIMEPERIOD_DATASET, TIMESERIES_DATASET, VALUE_DATASET, XY_DATASET, XYZ_DATASET`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `JRExpression` | `getValueExpression()` Returns the expression that indicates the value held by this dataset.

    - ### Methods inherited from interface net.sf.jasperreports.engine.JRChartDataset

      `getDatasetType, validate`

    - ### Methods inherited from interface net.sf.jasperreports.engine.JRElementDataset

      `collectExpressions, getDatasetRun, getIncrementGroup, getIncrementTypeValue, getIncrementWhenExpression, getResetGroup, getResetTypeValue`

    - ### Methods inherited from interface net.sf.jasperreports.engine.JRCloneable

      `clone`

- - ### 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

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