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Java Source Code / Java Documentation » Chart » jfreechart » org.jfree.data.category   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.jfree.data.general.AbstractDataset       org.jfree.data.category.DefaultCategoryDataset All known Subclasses:   org.jfree.data.general.DefaultKeyedValues2DDataset,  org.jfree.data.jdbc.JDBCCategoryDataset, DefaultCategoryDataset public class DefaultCategoryDataset extends AbstractDataset implements CategoryDataset,Serializable(Code) A default implementation of the CategoryDataset interface. Constructor Summary public   DefaultCategoryDataset()      Creates a new (empty) dataset. Method Summary public  void addValue(Number value, Comparable rowKey, Comparable columnKey)      Adds a value to the table. public  void addValue(double value, Comparable rowKey, Comparable columnKey)      Adds a value to the table. public  void clear()      Clears all data from the dataset and sends a DatasetChangeEvent to all registered listeners. public  Object clone()      Returns a clone of the dataset. public  boolean equals(Object obj)      Tests this dataset for equality with an arbitrary object. Parameters:   obj - the object (null permitted). public  int getColumnCount()      Returns the number of columns in the table. public  int getColumnIndex(Comparable key)      Returns the column index for a given key. Parameters:   key - the column key. public  Comparable getColumnKey(int column)      Returns a column key. Parameters:   column - the column index (zero-based). public  List getColumnKeys()      Returns the column keys. public  int getRowCount()      Returns the number of rows in the table. public  int getRowIndex(Comparable key)      Returns the row index for a given key. Parameters:   key - the row key. public  Comparable getRowKey(int row)      Returns a row key. Parameters:   row - the row index (zero-based). public  List getRowKeys()      Returns the row keys. public  Number getValue(int row, int column)      Returns a value from the table. Parameters:   row - the row index (zero-based). Parameters:   column - the column index (zero-based). public  Number getValue(Comparable rowKey, Comparable columnKey)      Returns the value for a pair of keys. Parameters:   rowKey - the row key (null not permitted). Parameters:   columnKey - the column key (null not permitted). public  int hashCode()      Returns a hash code for the dataset. public  void incrementValue(double value, Comparable rowKey, Comparable columnKey)      Adds the specified value to an existing value in the dataset (if the existing value is null, it is treated as if it were 0.0). public  void removeColumn(int columnIndex)      Removes a column from the dataset and sends a DatasetChangeEvent to all registered listeners. public  void removeColumn(Comparable columnKey)      Removes a column from the dataset and sends a DatasetChangeEvent to all registered listeners. public  void removeRow(int rowIndex)      Removes a row from the dataset and sends a DatasetChangeEvent to all registered listeners. public  void removeRow(Comparable rowKey)      Removes a row from the dataset and sends a DatasetChangeEvent to all registered listeners. public  void removeValue(Comparable rowKey, Comparable columnKey)      Removes a value from the dataset and sends a DatasetChangeEvent to all registered listeners. public  void setValue(Number value, Comparable rowKey, Comparable columnKey)      Adds or updates a value in the table and sends a DatasetChangeEvent to all registered listeners. public  void setValue(double value, Comparable rowKey, Comparable columnKey)      Adds or updates a value in the table and sends a DatasetChangeEvent to all registered listeners. Constructor Detail DefaultCategoryDataset public DefaultCategoryDataset()(Code) Creates a new (empty) dataset. Method Detail addValue public void addValue(Number value, Comparable rowKey, Comparable columnKey)(Code) Adds a value to the table. Performs the same function as setValue(). Parameters:   value - the value. Parameters:   rowKey - the row key. Parameters:   columnKey - the column key. See Also:   DefaultCategoryDataset.getValue(Comparable,Comparable) See Also:   DefaultCategoryDataset.removeValue(Comparable,Comparable) addValue public void addValue(double value, Comparable rowKey, Comparable columnKey)(Code) Adds a value to the table. Parameters:   value - the value. Parameters:   rowKey - the row key. Parameters:   columnKey - the column key. See Also:   DefaultCategoryDataset.getValue(Comparable,Comparable) clear public void clear()(Code) Clears all data from the dataset and sends a DatasetChangeEvent to all registered listeners. clone public Object clone() throws CloneNotSupportedException(Code) Returns a clone of the dataset. A clone. throws:   CloneNotSupportedException - if there is a problem cloning thedataset. equals public boolean equals(Object obj)(Code) Tests this dataset for equality with an arbitrary object. Parameters:   obj - the object (null permitted). A boolean. getColumnCount public int getColumnCount()(Code) Returns the number of columns in the table. The column count. See Also:   DefaultCategoryDataset.getRowCount() getColumnIndex public int getColumnIndex(Comparable key)(Code) Returns the column index for a given key. Parameters:   key - the column key. The column index. See Also:   DefaultCategoryDataset.getColumnKey(int) getColumnKey public Comparable getColumnKey(int column)(Code) Returns a column key. Parameters:   column - the column index (zero-based). The column key. See Also:   DefaultCategoryDataset.getColumnIndex(Comparable) getColumnKeys public List getColumnKeys()(Code) Returns the column keys. The keys. See Also:   DefaultCategoryDataset.getColumnKey(int) getRowCount public int getRowCount()(Code) Returns the number of rows in the table. The row count. See Also:   DefaultCategoryDataset.getColumnCount() getRowIndex public int getRowIndex(Comparable key)(Code) Returns the row index for a given key. Parameters:   key - the row key. The row index. See Also:   DefaultCategoryDataset.getRowKey(int) getRowKey public Comparable getRowKey(int row)(Code) Returns a row key. Parameters:   row - the row index (zero-based). The row key. See Also:   DefaultCategoryDataset.getRowIndex(Comparable) See Also:   DefaultCategoryDataset.getRowKeys() getRowKeys public List getRowKeys()(Code) Returns the row keys. The keys. See Also:   DefaultCategoryDataset.getRowKey(int) getValue public Number getValue(int row, int column)(Code) Returns a value from the table. Parameters:   row - the row index (zero-based). Parameters:   column - the column index (zero-based). The value (possibly null). See Also:   DefaultCategoryDataset.addValue(Number,Comparable,Comparable) getValue public Number getValue(Comparable rowKey, Comparable columnKey)(Code) Returns the value for a pair of keys. Parameters:   rowKey - the row key (null not permitted). Parameters:   columnKey - the column key (null not permitted). The value (possibly null). throws:   UnknownKeyException - if either key is not defined in the dataset. See Also:   DefaultCategoryDataset.addValue(Number,Comparable,Comparable) hashCode public int hashCode()(Code) Returns a hash code for the dataset. A hash code. incrementValue public void incrementValue(double value, Comparable rowKey, Comparable columnKey)(Code) Adds the specified value to an existing value in the dataset (if the existing value is null, it is treated as if it were 0.0). Parameters:   value - the value. Parameters:   rowKey - the row key (null not permitted). Parameters:   columnKey - the column key (null not permitted). throws:   UnknownKeyException - if either key is not defined in the dataset. removeColumn public void removeColumn(int columnIndex)(Code) Removes a column from the dataset and sends a DatasetChangeEvent to all registered listeners. Parameters:   columnIndex - the column index. See Also:   DefaultCategoryDataset.removeRow(int) removeColumn public void removeColumn(Comparable columnKey)(Code) Removes a column from the dataset and sends a DatasetChangeEvent to all registered listeners. Parameters:   columnKey - the column key. See Also:   DefaultCategoryDataset.removeRow(Comparable) removeRow public void removeRow(int rowIndex)(Code) Removes a row from the dataset and sends a DatasetChangeEvent to all registered listeners. Parameters:   rowIndex - the row index. See Also:   DefaultCategoryDataset.removeColumn(int) removeRow public void removeRow(Comparable rowKey)(Code) Removes a row from the dataset and sends a DatasetChangeEvent to all registered listeners. Parameters:   rowKey - the row key. See Also:   DefaultCategoryDataset.removeColumn(Comparable) removeValue public void removeValue(Comparable rowKey, Comparable columnKey)(Code) Removes a value from the dataset and sends a DatasetChangeEvent to all registered listeners. Parameters:   rowKey - the row key. Parameters:   columnKey - the column key. See Also:   DefaultCategoryDataset.addValue(Number,Comparable,Comparable) setValue public void setValue(Number value, Comparable rowKey, Comparable columnKey)(Code) Adds or updates a value in the table and sends a DatasetChangeEvent to all registered listeners. Parameters:   value - the value (null permitted). Parameters:   rowKey - the row key (null not permitted). Parameters:   columnKey - the column key (null not permitted). See Also:   DefaultCategoryDataset.getValue(Comparable,Comparable) setValue public void setValue(double value, Comparable rowKey, Comparable columnKey)(Code) Adds or updates a value in the table and sends a DatasetChangeEvent to all registered listeners. Parameters:   value - the value. Parameters:   rowKey - the row key (null not permitted). Parameters:   columnKey - the column key (null not permitted). See Also:   DefaultCategoryDataset.getValue(Comparable,Comparable) Methods inherited from org.jfree.data.general.AbstractDataset public void addChangeListener(DatasetChangeListener listener)(Code)(Java Doc) public Object clone() throws CloneNotSupportedException(Code)(Java Doc) protected void fireDatasetChanged()(Code)(Java Doc) public DatasetGroup getGroup()(Code)(Java Doc) public boolean hasListener(EventListener listener)(Code)(Java Doc) protected void notifyListeners(DatasetChangeEvent event)(Code)(Java Doc) public void removeChangeListener(DatasetChangeListener listener)(Code)(Java Doc) public void setGroup(DatasetGroup group)(Code)(Java Doc) public void validateObject() throws InvalidObjectException(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)