Java Doc for ModifiedParameterDescriptor.java in  » GIS » GeoTools-2.4.1 » org » geotools » referencing » operation » projection » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » GeoTools 2.4.1 » org.geotools.referencing.operation.projection 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.geotools.parameter.DefaultParameterDescriptor
   org.geotools.referencing.operation.projection.ModifiedParameterDescriptor

ModifiedParameterDescriptor
final class ModifiedParameterDescriptor extends DefaultParameterDescriptor (Code)
A parameter descriptor identical to the supplied one except for the default value. The constructor expects a model created by one of the , usually using some neutral default value. For example the base class for map projection providers defines a set of . However some map projections are specific to a particular area (for example the and may wish to override the neutral default values with some default value appropriate for that area.
version:
   $Id: ModifiedParameterDescriptor.java 22474 2006-10-31 00:58:59Z desruisseaux $
author:
   Martin Desruisseaux



Constructor Summary
public  ModifiedParameterDescriptor(ParameterDescriptor original, double defaultValue)
     Creates a parameter descriptor wrapping the specified one with the specified default value.

Method Summary
public static  booleancontains(Collection set, ParameterDescriptor descriptor)
     Returns true if the specified collection contains the specified descriptor.
public  ObjectgetDefaultValue()
     Returns the default value for the parameter.


Constructor Detail
ModifiedParameterDescriptor
public ModifiedParameterDescriptor(ParameterDescriptor original, double defaultValue)(Code)
Creates a parameter descriptor wrapping the specified one with the specified default value.




Method Detail
contains
public static boolean contains(Collection set, ParameterDescriptor descriptor)(Code)
Returns true if the specified collection contains the specified descriptor. Invoking this method is similar to invoking set.contains(descriptor) , except that instance of ModifiedParameterDescriptor are unwrapped to their original descriptor. The drawback is that this method is slower than set.contains(descriptor) , so it should be invoked only if the former fails.



getDefaultValue
public Object getDefaultValue()(Code)
Returns the default value for the parameter.



Methods inherited from org.geotools.parameter.DefaultParameterDescriptor
public GeneralParameterValue createValue()(Code)(Java Doc)
public boolean equals(AbstractIdentifiedObject object, boolean compareMetadata)(Code)(Java Doc)
public Object getDefaultValue()(Code)(Java Doc)
public int getMaximumOccurs()(Code)(Java Doc)
public Comparable getMaximumValue()(Code)(Java Doc)
public Comparable getMinimumValue()(Code)(Java Doc)
public Unit getUnit()(Code)(Java Doc)
public Set getValidValues()(Code)(Java Doc)
public Class getValueClass()(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)

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