MathTransformProvider.Delegate (Geotools modules 31-SNAPSHOT API)

Object
- MathTransformProxy
- - Delegate

All Implemented Interfaces:

Serializable, MathTransform

Enclosing class:

MathTransformProvider
```
protected static final class MathTransformProvider.Delegate
extends MathTransformProxy
```
The result of a call to createMathTransform. This class encapsulates a reference to the originating provider as well as the created math transform. This information is needed when a provider delegates the work to an other provider according the parameter values. For example a generic instance of ProviderAffine may delegates the creation of an affine transform to an other ProviderAffine instance with source and target dimensions matching the supplied parameters, because those dimensions determine the set of legal "elt_j_i" parameters.
Most math transform provider do not delegate their work to an other one, and consequently do not need this class.
Future Geotools version may extends this class for handling more information than just the transform creator. This class is more convenient than adding new methods right into MathTransformProvider, because it is sometime difficult for a provider to infer all the conditions prevaling when createMathTransform was executed. Furthermore, it avoid to pollute MathTransformProvider with methods unused for the vast majority of providers.

Since:

2.2

Author:

Martin Desruisseaux (IRD)

See Also:

Serialized Form

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  OperationMethod method
  The provider for the transform.
  - Fields inherited from class MathTransformProxy
    transform
- Constructor Summary
  
  Constructors
  Constructor Description
  
  Delegate(MathTransform transform, OperationMethod method)
  Encapsulates the math transform created by the specified provider.
- Method Summary
  - Methods inherited from class MathTransformProxy
    derivative, equals, getSourceDimensions, getTargetDimensions, hashCode, inverse, isIdentity, toString, toWKT, transform, transform, transform, transform, transform
  - Methods inherited from class Object
    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - method
```
public final OperationMethod method
```
    The provider for the transform.
- Constructor Detail
  - Delegate
```
public Delegate(MathTransform transform,
                OperationMethod method)
```
    Encapsulates the math transform created by the specified provider.
    
    Parameters:
    
    transform - The math transform created by provider.
    
    method - The provider, typically as an instance of MathTransformProvider.