CN103020144A - File management system and method - Google Patents
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Abstract
The invention provides a file management system. The file management system comprises a character string generation unit, a file processing unit and a storage unit, wherein the character string generation unit is used for generating the storage position of the file into the corresponding character string according to the preset rule in the process of storing the file; the file processing unit is used for taking the character string as the file name of the file; and the storage unit is used for storing the file processed by the file processing unit. The invention also provides a file management method. By the adoption of the technical scheme, repetition of the file names of the files at different storage positions can be avoided and management of distributed files is realized favorably.
Description
Technical field
The present invention relates to the art file management technology field, in particular to a kind of file management system and a kind of file management method.
Background technology
Current software application system generally all can be mutual with file system, and file management is one of basic function of application system.If application system need to receive or generate a large amount of files, that will propose higher requirement to file management method, current file management method relies on the file management mode of operating system, need to specify particular category as the memory location, sectional lists is preserved file, the risk that exists filename to repeat, and can not managing distributed file.
Therefore, need a kind of new art file management technology, the filename that can avoid being in the file of different memory locations repeats, and is conducive to realize the management to distributed document.
Summary of the invention
The present invention just is being based on the problems referred to above, has proposed a kind of new art file management technology, and the filename that can avoid being in the file of different memory locations repeats, and is conducive to realize the management to distributed document.
In view of this, the present invention proposes a kind of file management system, comprising: the character string generation unit, be used in the process that file is stored, the memory location of described file is generated as the character string of correspondence according to pre-defined rule; The file processing unit is used for the filename of described character string as described file; Storage unit is used for storing the file after the described file processing cell processing.
In this technical scheme, according to the filename corresponding to memory location generation of file, can effectively avoid the file in different memory locations to have identical filename, thereby be conducive to system for the management of distributed document.
In technique scheme, preferably, the memory location of described file comprises: the residing physical machine of described file, and the store path on described physical machine.
In technique scheme, preferably, described character string generation unit specifically is used for: subelement is processed in the position, is used for described memory location is divided into a plurality of concrete positional informations, and generates the character string corresponding to described positional information; Random string generates subelement, is used for generating one section random string, described random string is divided into groups successively, to correspond respectively to the character string of described positional information; The first string processing subelement is used for the character string of each described positional information is carried out xor operation with corresponding random string respectively, to generate respectively character string after the corresponding processing; Title generates subelement, is used for after character string and the described random string splicing after all described processing, as the filename of described file.
In technique scheme, preferably, also comprise: the ff unit, be used for the filename according to file to be found, determine corresponding memory location, to obtain this file to be found.
In this technical scheme, system is according to the filename of file, can directly parse corresponding file storage location, need not file retrieved repeatedly to wait operation, thereby reduces the consumption for system resource, the treatment effeciency of raising system.
In technique scheme, preferably, described ff unit comprises: filename is cut apart subelement, is used for according to pre-defined rule, and described filename is divided into corresponding to cutting apart of each positional information rear character string and random string; Random string is cut apart subelement, is used for described random string is divided into multistage, with described to cut apart rear character string corresponding; The second string processing subelement is used for will every section random string describedly cutting apart rear character string and carrying out xor operation with corresponding, to obtain the positional information of correspondence; The position acquisition subelement is for the memory location that all positional informations is spliced into described file to be found.
According to another aspect of the invention, also proposed a kind of file management method, having comprised: step 202 in the process that file is stored, is generated as the memory location of described file according to pre-defined rule the character string of correspondence; Step 204 is with the filename of described character string as described file.
In this technical scheme, according to the filename corresponding to memory location generation of file, can effectively avoid the file in different memory locations to have identical filename, thereby be conducive to system for the management of distributed document.
In technique scheme, preferably, the memory location of described file comprises: the residing physical machine of described file, and the store path on described physical machine.
In technique scheme, preferably, described step 202 comprises: described memory location is divided into a plurality of concrete positional informations, and generates the character string corresponding to described positional information; Generate one section random string, described random string is divided into groups successively, to correspond respectively to the character string of described positional information; The character string of each described positional information is carried out xor operation with corresponding random string respectively, to generate respectively character string after the corresponding processing; After character string and described random string splicing after all described processing, as the filename of described file.
In technique scheme, preferably, after the described step 204, also comprise: step 206, according to the filename of file to be found, determine corresponding memory location, to obtain this file to be found.
In this technical scheme, system is according to the filename of file, can directly parse corresponding file storage location, need not file retrieved repeatedly to wait operation, thereby reduces the consumption for system resource, the treatment effeciency of raising system.
In technique scheme, preferably, described step 206 comprises: according to pre-defined rule, described filename is divided into corresponding to cutting apart of each positional information rear character string and random string; Described random string is divided into multistage, with described to cut apart rear character string corresponding; Every section random string is describedly cut apart rear character string and carried out xor operation with corresponding, to obtain corresponding positional information, all positional informations are spliced into the memory location of described file to be found.
By above technical scheme, the filename that can avoid being in the file of different memory locations repeats, and is conducive to realize the management to distributed document.
Description of drawings
Fig. 1 shows the according to an embodiment of the invention block diagram of file management system;
Fig. 2 shows the according to an embodiment of the invention process flow diagram of file management method;
Fig. 3 shows according to an embodiment of the invention and to be the synoptic diagram of logical file with the physical location of file is abstract;
Fig. 4 shows the synoptic diagram of according to an embodiment of the invention filename being encoded;
Fig. 5 shows the synoptic diagram of according to an embodiment of the invention filename being decoded.
Embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments the present invention is further described in detail.Need to prove that in the situation of not conflicting, the application's embodiment and the feature among the embodiment can make up mutually.
A lot of details have been set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not subjected to the restriction of following public specific embodiment.
Fig. 1 shows the according to an embodiment of the invention block diagram of file management system.
As shown in Figure 1, file management system 100 according to an embodiment of the invention, comprising: character string generation unit 102, be used in the process that file is stored, and the memory location of described file is generated as the character string of correspondence according to pre-defined rule; File processing unit 104 is used for the filename of described character string as described file; Storage unit 106 is used for storing the file after the described file processing cell processing.
In this technical scheme, according to the filename corresponding to memory location generation of file, can effectively avoid the file in different memory locations to have identical filename, thereby be conducive to system for the management of distributed document.
In technique scheme, preferably, the memory location of described file comprises: the residing physical machine of described file, and the store path on described physical machine.
In technique scheme, preferably, described character string generation unit 102 specifically is used for: subelement 1022 is processed in the position, is used for described memory location is divided into a plurality of concrete positional informations, and generates the character string corresponding to described positional information; Random string generates subelement 1024, is used for generating one section random string, described random string is divided into groups successively, to correspond respectively to the character string of described positional information; The first string processing subelement 1026 is used for the character string of each described positional information is carried out xor operation with corresponding random string respectively, to generate respectively character string after the corresponding processing; Title generates subelement 1028, is used for after character string and the described random string splicing after all described processing, as the filename of described file.
In technique scheme, preferably, also comprise: ff unit 108, be used for the filename according to file to be found, determine corresponding memory location, to obtain this file to be found.
In this technical scheme, system is according to the filename of file, can directly parse corresponding file storage location, need not file retrieved repeatedly to wait operation, thereby reduces the consumption for system resource, the treatment effeciency of raising system.
In technique scheme, preferably, described ff unit 108 comprises: filename is cut apart subelement 1082, is used for according to pre-defined rule, and described filename is divided into corresponding to cutting apart of each positional information rear character string and random string; Random string is cut apart subelement 1084, is used for described random string is divided into multistage, with described to cut apart rear character string corresponding; The second string processing subelement 1086 is used for will every section random string describedly cutting apart rear character string and carrying out xor operation with corresponding, to obtain the positional information of correspondence; Position acquisition subelement 1088 is for the memory location that all positional informations is spliced into described file to be found.
Fig. 2 shows the according to an embodiment of the invention process flow diagram of file management method.
As shown in Figure 2, file management method according to an embodiment of the invention comprises: step 202 in the process that file is stored, is generated as corresponding character string according to pre-defined rule with the memory location of described file; Step 204 is with the filename of described character string as described file.
In this technical scheme, according to the filename corresponding to memory location generation of file, can effectively avoid the file in different memory locations to have identical filename, thereby be conducive to system for the management of distributed document.
In technique scheme, preferably, the memory location of described file comprises: the residing physical machine of described file, and the store path on described physical machine.
In technique scheme, preferably, described step 202 comprises: described memory location is divided into a plurality of concrete positional informations, and generates the character string corresponding to described positional information; Generate one section random string, described random string is divided into groups successively, to correspond respectively to the character string of described positional information; The character string of each described positional information is carried out xor operation with corresponding random string respectively, to generate respectively character string after the corresponding processing; After character string and described random string splicing after all described processing, as the filename of described file.
In technique scheme, preferably, after the described step 204, also comprise: step 206, according to the filename of file to be found, determine corresponding memory location, to obtain this file to be found.
In this technical scheme, system is according to the filename of file, can directly parse corresponding file storage location, need not file retrieved repeatedly to wait operation, thereby reduces the consumption for system resource, the treatment effeciency of raising system.
In technique scheme, preferably, described step 206 comprises: according to pre-defined rule, described filename is divided into corresponding to cutting apart of each positional information rear character string and random string; Described random string is divided into multistage, with described to cut apart rear character string corresponding; Every section random string is describedly cut apart rear character string and carried out xor operation with corresponding, to obtain corresponding positional information, all positional informations are spliced into the memory location of described file to be found.
In technical scheme of the present invention, mainly comprise three parts for the management of file, below in conjunction with Fig. 3 to Fig. 5, respectively each part is elaborated.
One, physical location is carried out abstract formation logical file
Fig. 3 shows according to an embodiment of the invention and to be the synoptic diagram of logical file with the physical location of file is abstract.
As shown in Figure 3, file is separated with actual storage locations with the DataNode two levels of abstraction by NameNode, the IP of NameNode represents physical machine, DataNode represent then that this machine has can storage file physical storage locations.To preserve the abstract of a plurality of physical machines among the FileSys.xml, this file is the important evidence of filename being carried out Code And Decode, and this document has also comprised access physical machine, operating right etc. additional information in addition.
Two, the cataloged procedure of filename
Fig. 4 shows the synoptic diagram of according to an embodiment of the invention filename being encoded.
When writing a file to file management system, from FileSys.xml, select an available position storage this document by documentor, and the physical location encoded of this document formed a CHAR, character string is also as the filename of storage this document.
As shown in Figure 4, this cataloged procedure specifically comprises:
1. select a physical storage locations by documentor;
2. the NameNode in physical location coding is become length and is 4 16 system character strings;
3. the DataNode in physical location coding is become length and is 4 16 system character strings;
4. the directory name under DataNode coding is become length and is 8 16 system character strings;
5. generate at random length and be 8 16 system character strings;
6. use random code that 3 sections character strings of front are done xor operation;
7. 4 sections character strings and the splicing of source file suffix name are become the definitive document name.
Three, the decode procedure of filename
Fig. 5 shows the synoptic diagram of according to an embodiment of the invention filename being decoded.
The decoding of filename is the reverse procedure of coding, will obtain the character string that 3 segment tables show the file physical location after by rule filename being decoded, and documentor is determined final physical storage locations with FileSys.xml.
As shown in Figure 5, this decode procedure specifically comprises:
1. filename being divided into 5 parts, is respectively that length is that 4 NameNode, length are that 4 DataNode, length are that 8 directory name, length are 8 random code and filename suffix;
2. use random code to do xor operation with front 3 sections respectively;
3. in FileSys.xml, retrieve the physical machine of its representative according to NameNode;
4. in FileSyste.xml, retrieve the memory location of its representative according to DataNode;
5. determine that according to directory name this document is in the next stage catalogue of memory location;
6. physical machine, memory location, directory name, filename 4 parts are spliced into concrete access path.
More than be described with reference to the accompanying drawings technical scheme of the present invention, by technical scheme of the present invention, realized:
1, becomes a file management system in logic with the file storage location that distributes is abstract, needn't be concerned about the true physical location of file during user's operation file.When file management system dilatation, migration, the related abstractions configuration that only needs to revise among the fileSys.xml gets final product, and can not affect user's normal file operation, and the service ability of file management system is got a promotion.
2, eliminated central point in the traditional file management method, do not needed central point to preserve the index of file and the document alignment function is provided.Need only in the method accurately locating file physical location of acquisition fileSys.xml and filename coding and decoding rule.Avoid central point to become performance bottleneck and the Single Point of Faliure risk of file operation.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a file management system is characterized in that, comprising:
The character string generation unit is used in the process that file is stored, and the memory location of described file is generated as the character string of correspondence according to pre-defined rule;
The file processing unit is used for the filename of described character string as described file;
Storage unit is used for storing the file after the described file processing cell processing.
2. file management system according to claim 1 is characterized in that, the memory location of described file comprises: the residing physical machine of described file, and the store path on described physical machine.
3. file management system according to claim 1 is characterized in that, described character string generation unit specifically comprises:
Subelement is processed in the position, is used for described memory location is divided into a plurality of concrete positional informations, and generates the character string corresponding to described positional information;
Random string generates subelement, is used for generating one section random string, described random string is divided into groups successively, to correspond respectively to the character string of described positional information;
The first string processing subelement is used for the character string of each described positional information is carried out xor operation with corresponding random string respectively, to generate respectively character string after the corresponding processing;
Title generates subelement, is used for after character string and the described random string splicing after all described processing, as the filename of described file.
4. each described file management system in 3 according to claim 1 is characterized in that, also comprises:
The ff unit is used for the filename according to file to be found, determines corresponding memory location, to obtain this file to be found.
5. file management system according to claim 4 is characterized in that, described ff unit comprises:
Filename is cut apart subelement, is used for according to pre-defined rule, and described filename is divided into corresponding to cutting apart of each positional information rear character string and random string;
Random string is cut apart subelement, is used for described random string is divided into multistage, with described to cut apart rear character string corresponding;
The second string processing subelement is used for will every section random string describedly cutting apart rear character string and carrying out xor operation with corresponding, to obtain the positional information of correspondence;
The position acquisition subelement is for the memory location that all positional informations is spliced into described file to be found.
6. a file management method is characterized in that, comprising:
Step 202 in the process that file is stored, is generated as the memory location of described file according to pre-defined rule the character string of correspondence;
Step 204 is with the filename of described character string as described file.
7. file management method according to claim 6 is characterized in that, the memory location of described file comprises: the residing physical machine of described file, and the store path on described physical machine.
8. file management method according to claim 6 is characterized in that, described step 202 comprises:
Described memory location is divided into a plurality of concrete positional informations, and generates the character string corresponding to described positional information;
Generate one section random string, described random string is divided into groups successively, to correspond respectively to the character string of described positional information;
The character string of each described positional information is carried out xor operation with corresponding random string respectively, to generate respectively character string after the corresponding processing;
After character string and described random string splicing after all described processing, as the filename of described file.
9. each described file management method in 8 according to claim 6 is characterized in that, after the described step 204, also comprises:
Step 206 according to the filename of file to be found, is determined corresponding memory location, to obtain this file to be found.
10. file management method according to claim 9 is characterized in that, described step 206 comprises:
According to pre-defined rule, described filename is divided into corresponding to cutting apart of each positional information rear character string and random string;
Described random string is divided into multistage, with described to cut apart rear character string corresponding;
Every section random string is describedly cut apart rear character string and carried out xor operation with corresponding, to obtain corresponding positional information, all positional informations are spliced into the memory location of described file to be found.
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