mitk: mitkNodePredicateFirstLevel.cpp Source File

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00001 /*=========================================================================
00002 
00003 Program:   Medical Imaging & Interaction Toolkit
00004 Language:  C++
00005 Date:      $Date: 2007-12-11 14:46:19 +0100 (Di, 11 Dez 2007) $
00006 Version:   $Revision: 13129 $
00007 
00008 Copyright (c) German Cancer Research Center, Division of Medical and
00009 Biological Informatics. All rights reserved.
00010 See MITKCopyright.txt or https://www.mitk.org/copyright.html for details.
00011 
00012 This software is distributed WITHOUT ANY WARRANTY; without even
00013 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00014 PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 
00018 #include "mitkNodePredicateFirstLevel.h"
00019 
00020 mitk::NodePredicateFirstLevel::NodePredicateFirstLevel(mitk::DataStorage* ds)
00021 : NodePredicateBase(), m_DataStorage(ds)
00022 {
00023 }
00024 
00025 mitk::NodePredicateFirstLevel::~NodePredicateFirstLevel()
00026 {
00027 }
00028 
00029 
00030 bool mitk::NodePredicateFirstLevel::CheckNode(const mitk::DataNode* node) const
00031 {
00032   if (node == NULL)
00033     throw std::invalid_argument("NodePredicateFirstLevel: invalid node");
00034 
00035 
00036   if(m_DataStorage.IsNull())
00037     throw std::invalid_argument("NodePredicateFirstLevel: DataStorage is invalid");
00038 
00039   mitk::DataStorage::SetOfObjects::ConstPointer list = m_DataStorage->GetSources(node, NULL, true);
00040   return (list->Size() == 0);
00041 }