public abstract class Histogram extends AbstractDataSource implements DataListener
getColumnTypes()
method returns a correct array
with column types.Constructor and Description |
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Histogram(DataSource data)
Initializes a new histograms with a data source.
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Modifier and Type | Method and Description |
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void |
dataAdded(DataSource source,
DataChangeEvent... events)
Method that is invoked when data has been added.
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void |
dataRemoved(DataSource source,
DataChangeEvent... events)
Method that is invoked when data has been removed.
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void |
dataUpdated(DataSource source,
DataChangeEvent... events)
Method that is invoked when data has been updated.
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DataSource |
getData()
Returns the data source associated to this histogram.
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protected abstract void |
rebuildCells()
Recalculates the histogram values.
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addDataListener, getColumn, getColumnCount, getColumnTypes, getRow, getStatistics, isColumnNumeric, iterator, notifyDataAdded, notifyDataRemoved, notifyDataUpdated, removeDataListener, setColumnTypes
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
get, getRowCount
public Histogram(DataSource data)
data
- Data source to be analyzed.protected abstract void rebuildCells()
public void dataAdded(DataSource source, DataChangeEvent... events)
DataListener
s and should not be called manually.dataAdded
in interface DataListener
source
- Data source that has been changed.events
- Optional event object describing the data values that
have been added.public void dataUpdated(DataSource source, DataChangeEvent... events)
DataListener
s and should not be called manually.dataUpdated
in interface DataListener
source
- Data source that has been changed.events
- Optional event object describing the data values that
have been updated.public void dataRemoved(DataSource source, DataChangeEvent... events)
DataListener
s and should not be called manually.dataRemoved
in interface DataListener
source
- Data source that has been changed.events
- Optional event object describing the data values that
have been removed.public DataSource getData()
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