org.knime.core.data.property
Class ShapeHandler

java.lang.Object
  org.knime.core.data.property.ShapeHandler

All Implemented Interfaces:

PropertyHandler

public final class ShapeHandler
extends Object
implements PropertyHandler

Final ShapeHandler implementation which keeps a ShapeModel to request Shape objects from.

Author:

Thomas Gabriel, University of Konstanz

Nested Class Summary

(package private) static interface

ShapeHandler.ShapeModel Internal ShapeModel used to request Shape objects by DataCell attribute value.

Constructor Summary

ShapeHandler(ShapeHandler.ShapeModel model)
Creates a new ShapeHandler based on the the given ShapeModel.

Method Summary

boolean	equals(Object obj)
ShapeFactory.Shape	getShape(DataCell dc) Returns a Shape of the given DataCell.
int	hashCode()
static ShapeHandler	load(ConfigRO config) Reads ShapeModel from the given Config and returns a new ShapeHandler.
void	save(ConfigWO config) Save the ShapeModel class and settings to the given Config.
String	toString() Returns a string summary of the underlying ShapeHandler.ShapeModel.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ShapeHandler

public ShapeHandler(ShapeHandler.ShapeModel model)

Creates a new ShapeHandler based on the the given ShapeModel.

Parameters:

model - The model for shapes.

Throws:

IllegalArgumentException - If the model is null.

Method Detail

getShape

public ShapeFactory.Shape getShape(DataCell dc)

Returns a Shape of the given DataCell.

Parameters:

dc - Value to be used to get a Shape for.

Returns:

A Shape object.

save

public void save(ConfigWO config)

Save the ShapeModel class and settings to the given Config.

Parameters:

config - To write ShapeModel into.

Throws:

NullPointerException - If the config is null.

load

public static ShapeHandler load(ConfigRO config)
                         throws InvalidSettingsException

Reads ShapeModel from the given Config and returns a new ShapeHandler.

Parameters:

config - Read ShapeModel from.

Returns:

A new ShapeHandler object.

Throws:

InvalidSettingsException - The the ShapeModel could not be read.

NullPointerException - If the config is null.

toString

public String toString()

Returns a string summary of the underlying ShapeHandler.ShapeModel.

Overrides:

toString in class Object

Returns:

a string summary

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object