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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkTreeContainerBase_h
#define itkTreeContainerBase_h
#include "itkMacro.h"
#include <iostream>
#include "itkTreeNode.h"
namespace itk
{
/** \class TreeContainerBase
* \brief A base class for tree containers.
*
* \ingroup DataRepresentation
* \ingroup ITKDeprecated
*/
template <typename TValue>
class TreeContainerBase : public Object
{
public:
using Superclass = Object;
using Self = TreeContainerBase;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
using ValueType = TValue;
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(TreeContainerBase);
/** Set the root element.
* A new node is created and the element is added to the node */
virtual bool
SetRoot(const TValue element) = 0;
/** Set the root has a node */
virtual bool
SetRoot(TreeNode<TValue> * node) = 0;
/** Return true if the tree contains the element */
virtual bool
Contains(const TValue element) = 0;
/** Return the number of nodes in the tree */
virtual int
Count() const = 0;
/** Return if the element is a leaf */
virtual bool
IsLeaf(const TValue element) = 0;
/** Return if the element is root */
virtual bool
IsRoot(const TValue element) = 0;
/** Clear the tree */
virtual bool
Clear() = 0;
/** Get the root as a node */
virtual const TreeNode<TValue> *
GetRoot() const = 0;
/** Set if the tree is a subtree */
void
SetSubtree(bool val)
{
m_SubTree = val;
}
protected:
TreeContainerBase() = default;
~TreeContainerBase() override = default;
bool m_SubTree{ false };
};
} // namespace itk
#endif
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