org.geotools.factory
Class Hints.DoubleKey

Object
  extended by RenderingHints.Key
      extended by Hints.Key
          extended by 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
Hints.DoubleKey(double number)
          Creates a new key with the specified default value.
 
Method Summary
 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

Hints.DoubleKey

public Hints.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)


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