gfile.h

GiPS是一个面向数据密集型应用的分布式文件系统

#pragma once
#include <string>
#include <map>
#include <vector>

namespace Cluster
{
	class GFNode;
	typedef ::std::map<::std::string, GFNode*> FileMap;

	class GFNode {
	public:
		GFNode(const ::std::string &, GFNode*);
		virtual ::std::string name();
		virtual bool isDirectory();
		virtual GFNode* locate(const ::std::string &);
		virtual ::std::string blockTableName();
		virtual void addChild(GFNode* child);
		virtual ::std::string absolutePath();
		virtual FileMap* children();
		virtual ::std::vector<GFNode*> allChildren();
		virtual void deleteFile(std::string filename);
		virtual void destory();
	private:
		::std::string _name;
		GFNode* _parent;
	};

	class GFile : virtual public GFNode {
	public:
		GFile(const ::std::string &, GFNode*, const ::std::string &);
		virtual ::std::string blockTableName();
	private:
		::std::string _blockTableName;
	};

	class GDirectory : virtual public GFNode {
	public:
		GDirectory(const ::std::string &, GFNode*);
		virtual GFNode* locate(const ::std::string &);
		virtual bool createFile(std::string filename, int fileType, std::string* blockTableName);
		virtual bool isDirectory();
		virtual void addChild(GFNode* child);
		virtual FileMap* children();
		virtual ::std::vector<GFNode*> allChildren();
		virtual void deleteFile(std::string filename);
		virtual void destory();
		FileMap* m_children;
	};
}