Module platform
Package org.jfree.data.statistics

Class DefaultMultiValueCategoryDataset

java.lang.Object
org.jfree.data.general.AbstractDataset
org.jfree.data.statistics.DefaultMultiValueCategoryDataset
All Implemented Interfaces:
ObjectInputValidation, Serializable, Cloneable, PublicCloneable, CategoryDataset, Dataset, KeyedValues2D, RangeInfo, MultiValueCategoryDataset, Values2D
public class DefaultMultiValueCategoryDataset extends AbstractDataset implements MultiValueCategoryDataset, RangeInfo, PublicCloneable
A category dataset that defines multiple values for each item.
See Also:

  • Field Details

  • Constructor Details

    • DefaultMultiValueCategoryDataset

      public DefaultMultiValueCategoryDataset()
      Creates a new dataset.

  • Method Details

    • add

      public void add(List values, Comparable rowKey, Comparable columnKey)
      Adds a list of values to the dataset (null and Double.NaN items are automatically removed) and sends a DatasetChangeEvent to all registered listeners.
      Parameters:
      values - a list of values (null not permitted).
      rowKey - the row key (null not permitted).
      columnKey - the column key (null not permitted).

    • getValues

      public List getValues(int row, int column)
      Returns a list (possibly empty) of the values for the specified item. The returned list should be unmodifiable.
      Specified by:
      getValues in interface MultiValueCategoryDataset
      Parameters:
      row - the row index (zero-based).
      column - the column index (zero-based).
      Returns:
      The list of values.

    • getValues

      public List getValues(Comparable rowKey, Comparable columnKey)
      Returns a list (possibly empty) of the values for the specified item. The returned list should be unmodifiable.
      Specified by:
      getValues in interface MultiValueCategoryDataset
      Parameters:
      rowKey - the row key (null not permitted).
      columnKey - the column key (null not permitted).
      Returns:
      The list of values.

    • getValue

      public Number getValue(Comparable row, Comparable column)
      Returns the average value for the specified item.
      Specified by:
      getValue in interface KeyedValues2D
      Parameters:
      row - the row key.
      column - the column key.
      Returns:
      The average value.

    • getValue

      public Number getValue(int row, int column)
      Returns the average value for the specified item.
      Specified by:
      getValue in interface Values2D
      Parameters:
      row - the row index.
      column - the column index.
      Returns:
      The average value.

    • getColumnIndex

      public int getColumnIndex(Comparable key)
      Returns the column index for a given key.
      Specified by:
      getColumnIndex in interface KeyedValues2D
      Parameters:
      key - the column key.
      Returns:
      The column index.

    • getColumnKey

      public Comparable getColumnKey(int column)
      Returns a column key.
      Specified by:
      getColumnKey in interface KeyedValues2D
      Parameters:
      column - the column index (zero-based).
      Returns:
      The column key.

    • getColumnKeys

      public List getColumnKeys()
      Returns the column keys.
      Specified by:
      getColumnKeys in interface KeyedValues2D
      Returns:
      The keys.

    • getRowIndex

      public int getRowIndex(Comparable key)
      Returns the row index for a given key.
      Specified by:
      getRowIndex in interface KeyedValues2D
      Parameters:
      key - the row key.
      Returns:
      The row index.

    • getRowKey

      public Comparable getRowKey(int row)
      Returns a row key.
      Specified by:
      getRowKey in interface KeyedValues2D
      Parameters:
      row - the row index (zero-based).
      Returns:
      The row key.

    • getRowKeys

      public List getRowKeys()
      Returns the row keys.
      Specified by:
      getRowKeys in interface KeyedValues2D
      Returns:
      The keys.

    • getRowCount

      public int getRowCount()
      Returns the number of rows in the table.
      Specified by:
      getRowCount in interface Values2D
      Returns:
      The row count.

    • getColumnCount

      public int getColumnCount()
      Returns the number of columns in the table.
      Specified by:
      getColumnCount in interface Values2D
      Returns:
      The column count.

    • getRangeLowerBound

      public double getRangeLowerBound(boolean includeInterval)
      Returns the minimum y-value in the dataset.
      Specified by:
      getRangeLowerBound in interface RangeInfo
      Parameters:
      includeInterval - a flag that determines whether or not the y-interval is taken into account.
      Returns:
      The minimum value.

    • getRangeUpperBound

      public double getRangeUpperBound(boolean includeInterval)
      Returns the maximum y-value in the dataset.
      Specified by:
      getRangeUpperBound in interface RangeInfo
      Parameters:
      includeInterval - a flag that determines whether or not the y-interval is taken into account.
      Returns:
      The maximum value.

    • getRangeBounds

      public Range getRangeBounds(boolean includeInterval)
      Returns the range of the values in this dataset's range.
      Specified by:
      getRangeBounds in interface RangeInfo
      Parameters:
      includeInterval - a flag that determines whether or not the y-interval is taken into account.
      Returns:
      The range.

    • equals

      public boolean equals(Object obj)
      Tests this dataset for equality with an arbitrary object.
      Overrides:
      equals in class Object
      Parameters:
      obj - the object (null permitted).
      Returns:
      A boolean.

    • clone

      public Object clone() throws CloneNotSupportedException
      Returns a clone of this instance.
      Specified by:
      clone in interface PublicCloneable
      Overrides:
      clone in class AbstractDataset
      Returns:
      A clone.
      Throws:
      CloneNotSupportedException - if the dataset cannot be cloned.