1 /*=========================================================================
2  *
3  *  Copyright Insight Software Consortium
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at
8  *
9  *         http://www.apache.org/licenses/LICENSE-2.0.txt
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  *=========================================================================*/
18 #ifndef itkInputDataObjectConstIterator_h
19 #define itkInputDataObjectConstIterator_h
20 
21 #include "itkDataObjectConstIterator.h"
22 
23 namespace itk
24 {
25 /** \class InputDataObjectConstIterator
26  * \brief A forward iterator over inputs of a ProcessObject
27  * \author Gaetan Lehmann. Biologie du Developpement et de la Reproduction, INRA de Jouy-en-Josas, France.
28  * \ingroup ITKCommon
29  */
30 class InputDataObjectConstIterator: public DataObjectConstIterator
31 {
32 public:
33 
InputDataObjectConstIterator(const ProcessObject * process)34   InputDataObjectConstIterator( const ProcessObject * process )
35   {
36     m_Begin = process->m_Inputs.begin();
37     m_End = process->m_Inputs.end();
38     m_Iterator = m_Begin;
39   }
40 
GetInput()41   const DataObject * GetInput() const
42   {
43     return m_Iterator->second;
44   }
45 
46 };
47 
48 }
49 #endif
50