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#ifndef EXECUTIONNODE_H
#define EXECUTIONNODE_H
#include "result/result.h"
#include <QDebug>
/**
* @brief The ExecutionNode class
*/
class ExecutionNode
{
public:
enum ERROR_CODE {NO_ERROR,DIE_RESULT_EXPECTED,BAD_SYNTAXE};
/**
* @brief ExecutionNode
*/
ExecutionNode();
/**
* @brief ~ExecutionNode
*/
virtual ~ExecutionNode();
/**
* @brief run
* @param previous
*/
virtual void run(ExecutionNode* previous = NULL)=0;
/**
* @brief getResult
* @return
*/
virtual Result* getResult();
/**
* @brief setNextNode
*/
void setNextNode(ExecutionNode*);
/**
* @brief getNextNode
* @return
*/
ExecutionNode* getNextNode();
/**
* @brief getPreviousNode
* @return
*/
virtual ExecutionNode* getPreviousNode() const;
/**
* @brief toString
* @return
*/
virtual QString toString()const=0;
/**
* @brief getPriority
* @return
*/
virtual qint64 getPriority() const=0;
/**
* @brief getErrorList
* @return
*/
virtual QList<ExecutionNode::ERROR_CODE> getErrorList();
/**
* @brief generateDotTree
*/
virtual void generateDotTree(QString&);
/**
* @brief getHelp
* @return
*/
virtual QString getHelp();
protected:
/**
* @brief m_nextNode
*/
ExecutionNode* m_previousNode;
/**
* @brief m_result
*/
Result* m_result;
/**
* @brief m_nextNode
*/
ExecutionNode* m_nextNode;
/**
* @brief m_errors
*/
QList<ExecutionNode::ERROR_CODE> m_errors;
};
#endif // EXECUTIONNODE_H
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