Package net.sf.jasperreports.charts

Interface JRValueDataset

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

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 Details

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