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java.lang.Objectorg.jfree.data.AbstractDataset
org.jfree.data.DefaultCategoryDataset
A default implementation of the CategoryDataset interface.
| Constructor Summary | |
DefaultCategoryDataset()
Creates a new (empty) dataset. |
|
| Method Summary | |
void |
addValue(double value,
java.lang.Comparable rowKey,
java.lang.Comparable columnKey)
Adds a value to the table. |
void |
addValue(java.lang.Number value,
java.lang.Comparable rowKey,
java.lang.Comparable columnKey)
Adds a value to the table. |
void |
clear()
Clears all data from the dataset and sends a DatasetChangeEvent to all registered
listeners. |
boolean |
equals(java.lang.Object o)
Tests if this object is equal to another. |
int |
getColumnCount()
Returns the number of columns in the table. |
int |
getColumnIndex(java.lang.Comparable key)
Returns the column index for a given key. |
java.lang.Comparable |
getColumnKey(int column)
Returns a column key. |
java.util.List |
getColumnKeys()
Returns the column keys. |
int |
getRowCount()
Returns the number of rows in the table. |
int |
getRowIndex(java.lang.Comparable key)
Returns the row index for a given key. |
java.lang.Comparable |
getRowKey(int row)
Returns a row key. |
java.util.List |
getRowKeys()
Returns the row keys. |
java.lang.Number |
getValue(java.lang.Comparable rowKey,
java.lang.Comparable columnKey)
Returns the value for a pair of keys. |
java.lang.Number |
getValue(int row,
int column)
Returns a value from the table. |
int |
hashCode()
Returns a hash code for the dataset. |
void |
incrementValue(double value,
java.lang.Comparable rowKey,
java.lang.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). |
void |
removeColumn(java.lang.Comparable columnKey)
Removes a column from the dataset. |
void |
removeColumn(int columnIndex)
Removes a column from the dataset. |
void |
removeRow(java.lang.Comparable rowKey)
Removes a row from the dataset. |
void |
removeRow(int rowIndex)
Removes a row from the dataset. |
void |
removeValue(java.lang.Comparable rowKey,
java.lang.Comparable columnKey)
Removes a value from the dataset. |
void |
setValue(double value,
java.lang.Comparable rowKey,
java.lang.Comparable columnKey)
Adds or updates a value in the table. |
void |
setValue(java.lang.Number value,
java.lang.Comparable rowKey,
java.lang.Comparable columnKey)
Adds or updates a value in the table. |
| Methods inherited from class org.jfree.data.AbstractDataset |
addChangeListener, clone, fireDatasetChanged, getGroup, notifyListeners, removeChangeListener, setGroup, validateObject |
| Methods inherited from class java.lang.Object |
finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface org.jfree.data.Dataset |
addChangeListener, getGroup, removeChangeListener, setGroup |
| Constructor Detail |
public DefaultCategoryDataset()
| Method Detail |
public int getRowCount()
getRowCount in interface Values2Dpublic int getColumnCount()
getColumnCount in interface Values2D
public java.lang.Number getValue(int row,
int column)
getValue in interface Values2Drow - the row index (zero-based).column - the column index (zero-based).
public java.lang.Comparable getRowKey(int row)
getRowKey in interface KeyedValues2Drow - the row index (zero-based).
public int getRowIndex(java.lang.Comparable key)
getRowIndex in interface KeyedValues2Dkey - the row key.
public java.util.List getRowKeys()
getRowKeys in interface KeyedValues2Dpublic java.lang.Comparable getColumnKey(int column)
getColumnKey in interface KeyedValues2Dcolumn - the column index (zero-based).
public int getColumnIndex(java.lang.Comparable key)
getColumnIndex in interface KeyedValues2Dkey - the column key.
public java.util.List getColumnKeys()
getColumnKeys in interface KeyedValues2D
public java.lang.Number getValue(java.lang.Comparable rowKey,
java.lang.Comparable columnKey)
This method should return null if either of the keys is not found.
getValue in interface KeyedValues2DrowKey - the row key.columnKey - the column key.
public void addValue(java.lang.Number value,
java.lang.Comparable rowKey,
java.lang.Comparable columnKey)
value - the value.rowKey - the row key.columnKey - the column key.
public void addValue(double value,
java.lang.Comparable rowKey,
java.lang.Comparable columnKey)
value - the value.rowKey - the row key.columnKey - the column key.
public void setValue(java.lang.Number value,
java.lang.Comparable rowKey,
java.lang.Comparable columnKey)
value - the value.rowKey - the row key.columnKey - the column key.
public void setValue(double value,
java.lang.Comparable rowKey,
java.lang.Comparable columnKey)
value - the value.rowKey - the row key.columnKey - the column key.
public void incrementValue(double value,
java.lang.Comparable rowKey,
java.lang.Comparable columnKey)
null, it is treated as if it were 0.0).
value - the value.rowKey - the row key.columnKey - the column key.
public void removeValue(java.lang.Comparable rowKey,
java.lang.Comparable columnKey)
rowKey - the row key.columnKey - the column key.public void removeRow(int rowIndex)
rowIndex - the row index.public void removeRow(java.lang.Comparable rowKey)
rowKey - the row key.public void removeColumn(int columnIndex)
columnIndex - the column index.public void removeColumn(java.lang.Comparable columnKey)
columnKey - the column key.public void clear()
DatasetChangeEvent to all registered
listeners.
public boolean equals(java.lang.Object o)
o - the other object.
public int hashCode()
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