org.geotools.util.factory

Class Hints.DoubleKey

Object

RenderingHints.Key

Hints.Key

Hints.DoubleKey

Enclosing class:

Hints

public static final class Hints.DoubleKey
extends Hints.Key

A hint used to capture a configuration setting as double. A default value is provided and may be checked with getDefault().

Since:

2.6

Author:

Jody Garnett

Constructor Summary

Constructors

Constructor and Description
DoubleKey(double number) Creates a new key with the specified default value.

Method Summary

Modifier and Type	Method and Description
double	getDefault() Returns the default value.
boolean	isCompatibleValue(Object value) Returns true if the specified object is a valid integer.
double	toValue(Hints hints) Returns the value from the specified hints as a double.

Methods inherited from class Hints.Key

getValueClass, toString

Methods inherited from class RenderingHints.Key

equals, hashCode, intKey

Methods inherited from class Object

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

Constructor Detail

DoubleKey

public DoubleKey(double number)

Creates a new key with the specified default value.

Parameters:

number - The default value.

Method Detail

getDefault

public double getDefault()

Returns the default value.

Returns:

The default value.

toValue

public double toValue(Hints hints)

Returns the value from the specified hints as a double. If no value were found for this key, then this method returns the default value.

Parameters:

hints - The map where to fetch the hint value, or null.

Returns:

The hint value as a double, or the default value if not hint was explicitly set.

isCompatibleValue

public boolean isCompatibleValue(Object value)

Returns true if the specified object is a valid integer.

Overrides:

isCompatibleValue in class Hints.Key

Parameters:

value - The object to test for validity.

Returns:

true if the value is valid; false otherwise.

See Also:

Hints.ClassKey.isCompatibleValue(java.lang.Object), Hints.FileKey.isCompatibleValue(java.lang.Object), Hints.IntegerKey.isCompatibleValue(java.lang.Object), Hints.OptionKey.isCompatibleValue(java.lang.Object)