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Java Source Code / Java Documentation » Chart » jfreechart » org.jfree.data

Source Cross Reference Class Diagram Java Document (Java Doc)

org.jfree.data .KeyedValues2D

All known Subclasses:   org.jfree.data .DefaultKeyedValues2D,
KeyedValues2D
public interface KeyedValues2D extends Values2D(Code)
An extension of the Values2D interface where a unique key is associated with the row and column indices.

Method Summary
public int getColumnIndex(Comparable key)
     Returns the column index for a given key.
Parameters:
  key - the column key.
public Comparable getColumnKey(int column)
     Returns the column key for a given index.
Parameters:
  column - the column index (zero-based).
public List getColumnKeys()
     Returns the column keys.
public int getRowIndex(Comparable key)
     Returns the row index for a given key.
Parameters:
  key - the row key.
public Comparable getRowKey(int row)
     Returns the row key for a given index.
Parameters:
  row - the row index (zero-based).
public List getRowKeys()
     Returns the row keys.
public Number getValue(Comparable rowKey, Comparable columnKey)
     Returns the value associated with the specified keys.
Parameters:
  rowKey - the row key (null not permitted).
Parameters:
  columnKey - the column key (null not permitted).

Method Detail
getColumnIndex
public int getColumnIndex(Comparable key)(Code)
Returns the column index for a given key.
Parameters:
  key - the column key. The column index, or -1 if the key is unrecognised.

getColumnKey
public Comparable getColumnKey(int column)(Code)
Returns the column key for a given index.
Parameters:
  column - the column index (zero-based). The column key.
throws:
  IndexOutOfBoundsException - if row is out of bounds.

getColumnKeys
public List getColumnKeys()(Code)
Returns the column keys. The keys.

getRowIndex
public int getRowIndex(Comparable key)(Code)
Returns the row index for a given key.
Parameters:
  key - the row key. The row index, or -1 if the key is unrecognised.

getRowKey
public Comparable getRowKey(int row)(Code)
Returns the row key for a given index.
Parameters:
  row - the row index (zero-based). The row key.
throws:
  IndexOutOfBoundsException - if row is out of bounds.

getRowKeys
public List getRowKeys()(Code)
Returns the row keys. The keys.

getValue
public Number getValue(Comparable rowKey, Comparable columnKey)(Code)
Returns the value associated with the specified keys.
Parameters:
  rowKey - the row key (null not permitted).
Parameters:
  columnKey - the column key (null not permitted). The value.
throws:
  UnknownKeyException - if either key is not recognised.

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