org.jfree.data
Interface RangeInfo

All Known Implementing Classes:
DefaultStatisticalCategoryDataset, DynamicTimeSeriesCollection, JDBCXYDataset

public interface RangeInfo

An interface (optional) that can be implemented by a dataset to assist in determining the minimum and maximum values.

Author:
David Gilbert

Method Summary
 java.lang.Number getMaximumRangeValue()
          Returns the maximum value in the dataset's range (or null if all the values in the range are null).
 java.lang.Number getMinimumRangeValue()
          Returns the minimum value in the dataset's range (or null if all the values in the range are null).
 Range getValueRange()
          Returns the range of the values in this dataset's range.
 

Method Detail

getMinimumRangeValue

public java.lang.Number getMinimumRangeValue()
Returns the minimum value in the dataset's range (or null if all the values in the range are null).

Returns:
the minimum value.

getMaximumRangeValue

public java.lang.Number getMaximumRangeValue()
Returns the maximum value in the dataset's range (or null if all the values in the range are null).

Returns:
the maximum value.

getValueRange

public Range getValueRange()
Returns the range of the values in this dataset's range.

Returns:
the range.