org.knime.base.node.viz.pie.node.fixed
Class FixedPieNodeModel

java.lang.Object
  org.knime.core.node.NodeModel
      org.knime.base.node.viz.pie.node.PieNodeModel<FixedPieVizModel>
          org.knime.base.node.viz.pie.node.fixed.FixedPieNodeModel

public class FixedPieNodeModel
extends PieNodeModel<FixedPieVizModel>

The NodeModel class of the fixed pie chart implementation.

Author:

Tobias Koetter, University of Konstanz

Field Summary

Fields inherited from class org.knime.base.node.viz.pie.node.PieNodeModel

AGGREGATION_COLUMN_FILTER, CFG_DATA_DIR_NAME, CFGKEY_AGGR_COLNAME, CFGKEY_AGGR_METHOD, CFGKEY_ALL_ROWS, CFGKEY_NO_OF_ROWS, CFGKEY_PIE_COLNAME, DEFAULT_NO_OF_ROWS, PIE_COLUMN_FILTER

Constructor Summary

protected

FixedPieNodeModel() The constructor.

Method Summary

protected void	createModel(ExecutionContext exec, DataColumnSpec pieColSpec, DataColumnSpec aggrColSpec, BufferedDataTable dataTable, int noOfRows, boolean containsColorHandler) Called prior #addDataRow(...) method to allow the implementing class the specific model creation.
protected FixedPieVizModel	getVizModelInternal()
protected void	loadPieInternals(File dataDir, ExecutionMonitor exec) Loads the implementation internals.
protected void	resetPieData() Resets the implementation internal data.
protected void	savePieInternals(File dataDir, ExecutionMonitor exec) Saves the implementation internal data.

Methods inherited from class org.knime.base.node.viz.pie.node.PieNodeModel

configure, execute, getAggregationColumnName, getPieColumnName, getVizModel, loadInternals, loadValidatedSettingsFrom, reset, saveInternals, saveSettingsTo, setAggregationColumnName, setPieColumnName, validateSettings

Methods inherited from class org.knime.core.node.NodeModel

addWarningListener, configure, continueLoop, execute, executeModel, getAvailableFlowVariables, getCredentialsProvider, getInHiLiteHandler, getLoopEndNode, getLoopStartNode, getNrInPorts, getNrOutPorts, getOutgoingFlowObjectStack, getOutHiLiteHandler, getWarningMessage, notifyViews, notifyWarningListeners, onDispose, peekFlowVariableDouble, peekFlowVariableInt, peekFlowVariableString, peekScopeVariableDouble, peekScopeVariableInt, peekScopeVariableString, pushFlowVariableDouble, pushFlowVariableInt, pushFlowVariableString, pushScopeVariableDouble, pushScopeVariableInt, pushScopeVariableString, removeWarningListener, resetAndConfigureLoopBody, setInHiLiteHandler, setWarningMessage, stateChanged

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FixedPieNodeModel

protected FixedPieNodeModel()

The constructor.

Method Detail

getVizModelInternal

protected FixedPieVizModel getVizModelInternal()

Specified by:

getVizModelInternal in class PieNodeModel<FixedPieVizModel>

Returns:

the PieVizModel. Could be null.

resetPieData

protected void resetPieData()

Resets the implementation internal data.

Specified by:

resetPieData in class PieNodeModel<FixedPieVizModel>

loadPieInternals

protected void loadPieInternals(File dataDir,
                                ExecutionMonitor exec)
                         throws CanceledExecutionException

Loads the implementation internals.

Specified by:

loadPieInternals in class PieNodeModel<FixedPieVizModel>

Parameters:

dataDir - the directory load load from

exec - the ExecutionMonitor

Throws:

CanceledExecutionException - if action was canceled

savePieInternals

protected void savePieInternals(File dataDir,
                                ExecutionMonitor exec)
                         throws IOException,
                                CanceledExecutionException

Saves the implementation internal data.

Specified by:

savePieInternals in class PieNodeModel<FixedPieVizModel>

Parameters:

dataDir - the directory to save to

exec - the ExecutionMonitor

Throws:

IOException - file exception

CanceledExecutionException - action was canceled

createModel

protected void createModel(ExecutionContext exec,
                           DataColumnSpec pieColSpec,
                           DataColumnSpec aggrColSpec,
                           BufferedDataTable dataTable,
                           int noOfRows,
                           boolean containsColorHandler)
                    throws CanceledExecutionException,
                           TooManySectionsException

Called prior #addDataRow(...) method to allow the implementing class the specific model creation.

Specified by:

createModel in class PieNodeModel<FixedPieVizModel>

Parameters:

exec - the ExecutionMonitor

pieColSpec - the DataColumnSpec of the selected pie column

aggrColSpec - the DataColumnSpec of the selected aggregation column

dataTable - the DataTableSpec

noOfRows - the expected number of rows

containsColorHandler - true if a color handler is set

Throws:

CanceledExecutionException

TooManySectionsException