/**
 * @file ModuleConnection.h
 * @brief 模块连接信息类
 *
 * @author 黄军
 * @date 2011-7-27
 */

#ifndef PAI_FRAME_WORKFLOWENGINE_MODULECONNECTION_H
#define PAI_FRAME_WORKFLOWENGINE_MODULECONNECTION_H

#include <ostream>
#include <iostream>
#include <string>
#include "Turtle.h"
namespace pai {
namespace  workflow {


/**
  * @brief 模块连接类
  *
*/
class PAI_WORKFLOWENGINE_EXPORT CModuleConnection {
private:
	/*
	 * 起始模块id
	 * 字段不能为空
	 * */
	int m_iSourceId;

	/*
	 * 终止模块id
	 * 字段不能为空
	 */
	int m_iDestId;
	/*
	 * the output port variable of previous module
	 * 字段不能为空
	 * */
	std::string m_strOutPort;
	/*
	 * the input port variable of next module
	 * 字段不能为空
	 * */
	std::string m_strInPort;
public:
	int GetSourceId() const { return this->m_iSourceId;}
	int GetDestId() const { return this->m_iDestId;}
	std::string GetOutPort() const { return this->m_strOutPort;}
	std::string GetInPort() const { return this->m_strInPort;}

	void SetSourceId(int id ) { this->m_iSourceId = id; }
	void SetDestId(int id ) { this->m_iDestId = id; }
	void SetOutPort(const std::string& port ) { this->m_strOutPort = port; }
	void SetInPort(const std::string& port ) { this->m_strInPort = port; }

	void Print();

	CModuleConnection();
	virtual ~CModuleConnection();

	/**
	 * @breif 将内容拷贝给目标
	 * @parma destModuleInfo 拷贝的目标
	 */
	void CopyTo(CModuleConnection& destModuleInfo);

	bool operator==(const CModuleConnection& that) const;

	friend std::ostream& operator<<(std::ostream& out, const CModuleConnection& connection);
};

}
}

#endif