CN101370212A - Data processing method and apparatus - Google Patents
Data processing method and apparatus Download PDFInfo
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- CN101370212A CN101370212A CNA2008102163012A CN200810216301A CN101370212A CN 101370212 A CN101370212 A CN 101370212A CN A2008102163012 A CNA2008102163012 A CN A2008102163012A CN 200810216301 A CN200810216301 A CN 200810216301A CN 101370212 A CN101370212 A CN 101370212A
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Abstract
The embodiment of the invention relates to a data processing method, comprising the steps of: receiving a data deletion instruction to delete the data from a user-visible storage region, recording the current storage location of the data and compressing the data to be deleted, and storing the compressed deleted data to a backup storage region. The embodiment of the invention further comprises a method for recovering the deleted data and a device for data processing. With the method and the device, a user is able to compress and store the backup data in a cell phone, like address list or other information, and delete the data when necessary in order to reduce occupation of the backup data in memory space of the cell phone.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to the data processing technique of terminal.
Background technology
Along with mobile phone becomes daily necessities, the frequency of changing mobile phone, SIM card is more and more higher, and the address list on user's deletion, arrangement mobile phone, the SIM card and the demand of other information are also more and more higher.Because user misoperation or other reasons, situation that useful number or other information deletions can't be recovered often occurs, thereby influence user experience.Mainly realize the recovery of data such as cell phone address book or other information at present by the following method: when deletion address list or other information, described address list or other information are stored in the data storage area of mobile phone, when needing to recover address list or other information are returned to address list or other information storage areas from the deposit data district.Deletion, recovery flow process are as shown in Figure 1 and Figure 2.Be appreciated that, in fact described method is that data such as the address list of deletion or other information have been changed deposit position, the memory headroom identical with address list or other information that be equivalent to need on the mobile phone forever to prestore backs up the data of having deleted, and this is a kind of waste to limited mobile phone EMS memory space.
Summary of the invention
The main purpose of the embodiment of the invention is to provide a kind of method and apparatus, occupies the excessive problem in mobile phone EMS memory space with the deleted data that solves mobile phone backup in the prior art.For solving the problems of the technologies described above, the embodiment of the invention provides a kind of method of data processing on the one hand, and described method comprises:
Receive the data delete instruction;
Data from the deletion of the visible storage area of user, are write down the current memory location of described data and described deleted data is compressed;
Store the deleted data after the described compression into slack storage area.
On the other hand, provide a kind of recovery method of deleted data, described method comprises:
Receive data and recover instruction;
Recover instruction according to described data, the data recovered of wanting in the slack storage area is carried out decompression;
Obtain the preceding memory location of described data deletion, the data after the described decompression are returned to the preceding memory location of described data deletion.
On the other hand, provide a kind of data processing equipment, described data processing equipment comprises visible storage area and slack storage area, also comprises:
The command reception module be used to receive the instruction that data are deleted or recovered, and the notification data processing module is carried out respective handling;
Data processing module, be used for wanting the current memory location of deleted data and the described deleted data of wanting being compressed processing, recover instruction according to the data of command reception module forwards and obtain and describedly want restore data to delete preceding memory location and the described restore data of wanting is carried out decompression according to the data delete instruction of command reception module forwards record is described;
Data operation modules, the storage that is used for data processing module is compressed are to slack storage area, and the data that data processing module is decompressed return to user's visibility region.
From technique scheme as can be seen, the embodiment of the invention is compressed preservation by the data that will delete, thereby is implemented under the situation of avoiding the user that Useful Information is deleted and can't giving for change, reduces Backup Data taking the mobile phone limited memory space.
Description of drawings
Fig. 1 is the flow chart of mobile phone deletion address list in the prior art;
Fig. 2 recovers the flow chart of deleted data for mobile phone in the prior art from Backup Data;
Fig. 3 is the inventive method embodiment one schematic diagram;
The flow chart that Fig. 4 deletes address list for the cellphone subscriber;
Fig. 5 is the inventive method embodiment two schematic diagrames;
The flow chart that Fig. 6 recovers address list for the cellphone subscriber;
Fig. 7 is apparatus of the present invention embodiment.
Embodiment
The embodiment of the invention discloses a kind of method and apparatus of data processing.
The embodiment of the invention is compressed preservation by the data that will delete, thereby is implemented under the situation of avoiding the user that Useful Information is deleted and can't giving for change, reduces Backup Data taking the mobile phone limited memory space.
Below in conjunction with accompanying drawing the embodiment of the invention is further elaborated.
As shown in Figure 3, the schematic diagram for the inventive method embodiment one comprises the steps:
When the user deletes the operation of address list or other information, send the data delete instruction to terminal; Usually on communication terminal, the selected object that will delete is clicked delete button to the user, can finish the operation that sends the data delete instruction, and terminal is carried out the data deletion action according to described data delete instruction.
After terminal receives the data delete instruction, the data that the user selectes are deleted from the visible storage area of user terminal user, and write down the memory location of described data at the visible storage area of user, according to the compression algorithm that sets in advance the data that described user selectes are compressed, described algorithm is that PC goes up any one in normally used all compression algorithms.After compressing described data, carry out following steps 303.
Set in advance the slack storage area of storage deletion information in the user terminal, be used for the recovery of follow-up deletion information; The user selected data of user terminal after with described compression stores in the user terminal spare space.
As shown in Figure 4, the schematic diagram of address list being deleted for the cellphone subscriber.
The data that step 401, user's selection will be deleted;
The user selects to delete one or more address list, and mobile phone receives the instruction of described deletion address list.
Size after step 402, the described data compression that will delete of calculating;
After terminal received the instruction of deleted data, mobile phone was estimated with after described user's selected data compression the size of the compressed data packets of formation according to the compression algorithm that is preset in wherein.Execution in step 403 afterwards.
When the described compressed data packets size of estimating during greater than described free memory, mobile phone ejects information prompt user, the user can select not delete described data, or the user can select directly to delete described packed data, also can reselect the data that will delete, described packed data size is not more than described free memory after the data that compression will be deleted.
If described packed data size is less than or equal to described storage size, then data are deleted from the visible storage area of user, the memory location of writing down described data, so that the recovery of follow-up data, execution in step 406 afterwards.
After confirming that the mobile phone slack storage area can be stored described packed data, then mobile phone compresses described data according to the compression algorithm that step 402 adopted, with the deposit data after the compression in the free memory of the described slack storage area of mobile phone.
Described packed data is stored in after the described slack storage area, enables timing function.Timing length can be provided with by the cellphone subscriber, if the user is not provided with, then giving tacit consent to timing length is a certain numerical value, and common described acquiescence timing length is that system sets in advance.
After timing function was enabled, then whether then mobile phone judged predetermined timing length, if be less than predetermined timing length, does not then carry out any processing, otherwise execution in step 409.
Directly delete described packed data, or prompting consumer premise timing length then, the operation that the user can carry out according to prompting has: delete described packed data, recover described packed data or will be stored in described spare space by described packed data.
As shown in Figure 5, the schematic diagram for the inventive method embodiment two comprises the steps:
501, receive data and recover instruction;
When the user recovers the operation information of address list or other information, send data to terminal and recover instruction; The user usually on communication terminal, selected will data recovered, click recovery button, can finish sending the operation that data are recovered instruction, terminal is recovered instruction according to described data and is carried out data restore operation.
502, to wanting data recovered to decompress;
After terminal receives the instruction that data recover, obtain before the described data deletion, and the corresponding decompression algorithm of using when use and packed data of compression algorithm decompresses to described data in the memory location of the visible storage area of user.
503, recover described data.
Obtain the preceding memory location of described data deletion, the data after the described decompression are returned to described data deletion before in the memory location of the visible storage area of user, and the deleted data after the described compression is deleted from described slack storage area.
As shown in Figure 6, the schematic diagram that address list is recovered for the cellphone subscriber.
Step 601, user select restore data;
After the user deleted address list, mobile phone compressed the formation compressed data packets to described address list, was stored in the spare space of mobile phone.The user selects to recover address list by the button on the mobile phone as required, and mobile phone receives the instruction of described recovery address list.
Size after step 602, the described packed data of calculating decompress;
After terminal receives the instruction of restore data, according to estimating size behind the described compressed data packets decompress(ion) with the corresponding decompression algorithm of the described compression algorithm of described step 402.
Step 603, obtain the memory location before the deletion of described data;
It is preceding in the memory location of the visible storage area of user to obtain described data deletion, then execution in step 604.
Step 604, judge whether described decompressed data size is less than or equal to the free memory size;
Judge whether described decompressed data size is less than or equal to before the deletion of described data the size in the memory location of the visible storage area of user, example, if be stored on the mobile phone before the described data deletion, judge then whether described data decompression size afterwards is less than or equal to the free memory size on the mobile phone, equally, if be stored on the SIM card before the described data deletion, judge then whether described packed data size is not more than the free memory size on the SIM card.If judge described data decompression size afterwards greater than the free memory size on described mobile phone or the SIM card, then flow process jumps to 606, otherwise, execution in step 605.
Step 605, the described data of decompress(ion) also return to the deleted data after the compression in memory location before the data deletion, the deletion slack storage area with described data;
According to the described packed data of the described decompression algorithm decompress(ion) of step 602, and with described storage memory location at the visible storage area of user before described data deletion.Be about to be stored in before the deletion address list memory location that is stored in mobile phone after the data decompression of address list memory location of mobile phone, will be stored in the address list memory location that is stored in after the data decompression of the address list memory location on the SIM card on the SIM card before the deletion.After the restore data, then the deleted data after the described compression is deleted from described slack storage area.
Step 606, prompting user;
If step 604 is judged when described free space is not enough to store described decompressed data, is then pointed out the user.The user selects further operation according to information.The user can select the described packed data of deletion according to information; Perhaps select not restore data, still described packed data is stored in described slack storage area; Perhaps work as the insufficient memory that can be used for the memory communicating record on the mobile phone, and the memory space that can be used for memory communicating record on the SIM card is when enough, before can selecting to delete, the user is stored in storage on the memory space that can be used for memory communicating record of mobile phone to the memory space that can be used for the memory communicating record of SIM card, or can be used for the insufficient memory of memory communicating record on the SIM card, and the memory space that can be used for memory communicating record on the mobile phone is when enough, the user can be with the storage on the memory space that can be used for the memory communicating record that is stored in before the deletion on the SIM card on the memory space that can be used for the memory communicating record of mobile phone, also can be on the memory space that can be used for the memory communicating record of mobile phone with the deposit data after the part decompression, the memory space that can be used for memory communicating record of the deposit data after part decompresses on SIM card.Concrete how operating basis user's needs and deciding.
As shown in Figure 7, be apparatus of the present invention embodiment schematic diagram.
When the user deletes the operation of address list or other information, send the data delete instruction to terminal, then command reception module 701 receives the described instruction that data are deleted, and 702 pairs of described data of notification data processing module are compressed processing; Data processing module 702 is noted the current memory location of the described data that will delete, and the data that will delete are compressed processing, can also be before the 702 pairs of data that will delete of described data processing module are compressed processing by the packet size of estimating after module 706 is estimated described data compression according to the data compression algorithm that sets in advance, and the size of the memory space of size of the packet after the more described data compression and slack storage area 704, when the packet size after the described data compression is less than or equal to described slack storage area 704 for example during the storage size of flash (flash memories), data processing module 702 just compresses processing to the data that will delete; Data operation modules 703 is with the storage of the data processing module 702 compression free memory to slack storage area 704; At this moment, can the described deleted data of wanting be deleted from the visible storage area of described user by data removing module 707.
Described device can also comprise time block 708, at described data operation modules described packed data is stored the back timing, when surpassed scheduled duration the memory time of described packed data, whether the packed data or the prompting user that notify described data operation modules to delete described slack storage area selected the deleted data after the described compression to be deleted from described slack storage area.
When the user carries out the operation of restore data record or other information, send data to terminal and recover instruction, then command reception module 701 receives the described instruction that data are recovered, and 702 pairs of described data of notification data processing module are carried out decompression; Data processing module 702 obtains the described preceding memory location of data recovered deletion of wanting, and the described data recovered of wanting carried out decompression, want the data recovered can also be before carrying out decompression 702 pairs of described data processing modules by estimating module 706 size after estimating described data decompression according to the data decompression compression algorithm that sets in advance, and the size of the memory space of size after the more described data decompression and the visible storage area 705 of user, when the size after the described data decompression was less than or equal to memory space big or small of the visible storage area 705 of described user, the data that described operational module 703 decompresses described data processing module 702 returned to the free memory of the visible storage area 705 of described user.At this moment, can delete from described slack storage area by the deleted data of data removing module 707 after described compression.
As can be seen from the above embodiments, the embodiment of the invention is compressed preservation by the data that will delete, and carry out the timing deletion, thus be implemented under the situation of avoiding the user that Useful Information is deleted and can't giving for change, reduce Backup Data taking to the mobile phone limited memory space.
It should be noted that at last: above embodiment only is that the preferred embodiments of the present invention are not in order to limit the present invention; Although the embodiment of the invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the embodiment of the invention.
Claims (13)
1, a kind of data processing method is characterized in that, comprising:
Receive the data delete instruction;
Data from the deletion of the visible storage area of user, are write down the current memory location of described data and described deleted data is compressed;
Store the deleted data after the described compression into slack storage area.
2, method according to claim 1, it is characterized in that, described data are deleted from the visible storage area of user comprises before: according to the data compression algorithm that sets in advance, estimate the described packet size of wanting after deleted data compresses, judge that the described compressed data packets size of estimating is less than or equal to described slack storage area size.
3, the method for claim 1 is characterized in that, sets in advance the system default timing length at deleted data.
4, the method for claim 1 is characterized in that, data after the deletion of user's real space, are further comprised:
The user is provided with at described deleted data timing length.
5, as method as described in claim 3 or 4, it is characterized in that, described deleted data after the described compression is stored into further comprises after the slack storage area: start timing function, when surpass predefined timing length the deleted data memory time after the described compression, then the deleted data after the described compression is deleted from described slack storage area.
As claim 3 or 4 described methods, it is characterized in that 6, described deleted data after the described compression is stored into further comprises after the slack storage area:
Start timing function, when surpass predefined timing length the deleted data memory time after the described compression, then point out the user to select whether the deleted data after the described compression to be deleted from described slack storage area, if then the deleted data after the described compression is deleted from described slack storage area.
7, a kind of recovery method of deleted data is characterized in that, comprising:
Receive data and recover instruction;
Recover instruction according to described data, the data recovered of wanting in the slack storage area is carried out decompression;
Obtain the preceding memory location of described data deletion, the data after the described decompression are returned to the preceding memory location of described data deletion.
8, as method as described in the claim 7, it is characterized in that, also comprise before the data of the described decompression of described storage: estimate the size of described decompressed data, judge that the described decompressed data size of estimating is less than or equal to the memory space of described decompressed data deletion memory location before.
9, as claim 7 or 8 described methods, it is characterized in that, further comprise: delete the data recovered of wanting in the slack storage area.
10, a kind of data processing equipment comprises the visible storage area of slack storage area and user, it is characterized in that, comprising:
The command reception module is used for receiving data delete instruction or data is recovered instruction, and described instruction is transmitted to data processing module;
Data processing module, be used for wanting the current memory location of deleted data and the described deleted data of wanting being compressed processing, recover instruction according to the data of command reception module forwards and obtain and describedly want restore data to delete preceding memory location and the described restore data of wanting is carried out decompression according to the data delete instruction of command reception module forwards record is described;
Data operation modules, the storage that is used for data processing module is compressed are to slack storage area, and the data that data processing module is decompressed return to user's visibility region.
11, as device as described in the claim 10, it is characterized in that, also comprise:
Time block, be used at data operation modules described packed data being stored the back timing, whether the packed data or the prompting user that notify described data operation modules to delete described slack storage area when surpassing predefined timing length select the deleted data after the described compression to be deleted from described slack storage area.
12, as device as described in the claim 10, it is characterized in that, also comprise:
The data removing module, be used for when described data operation modules with data processing module compression want deleted data to store slack storage area into after, the described deleted data of wanting is deleted from the visible storage area of described user; Or when described data processing module will decompress want restore data to return to the visible storage area of user after, the described restore data of wanting is deleted from slack storage area.
13, as device as described in the claim 10, it is characterized in that, also comprise and estimate module, the described module of estimating is used for estimating the packet size of wanting after deleted data compresses according to the data compression algorithm that sets in advance, and the free memory of the compressed data packets of estimating described size and slack storage area compares, when described estimated data bag size was less than or equal to the free memory of described slack storage area, the notification data operational module was stored in the compressed data packets of data processing module compression the free memory of described slack storage area;
Or, the described module of estimating is used for estimating the size of wanting after restore data decompresses according to the data decompression compression algorithm that sets in advance, and the free memory of size of data after the described decompression of estimating and the visible storage area of user compared, when the size of data after the described decompression of estimating was less than or equal to the free memory of the visible storage area of described user, the storage after the notification data operational module decompresses data processing module was in the memory space of the visible storage area of described user.
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| CNA2008102163012A CN101370212A (en) | 2008-09-22 | 2008-09-22 | Data processing method and apparatus |
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| CNA2008102163012A CN101370212A (en) | 2008-09-22 | 2008-09-22 | Data processing method and apparatus |
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| CN102131002A (en) * | 2011-03-29 | 2011-07-20 | 华为终端有限公司 | Method and device for processing mobile phone data |
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| CN103129899A (en) * | 2011-11-23 | 2013-06-05 | 苏州艾隆科技有限公司 | Intelligent controlling method and device for goods shelf |
| CN103164432A (en) * | 2011-12-13 | 2013-06-19 | 联想(北京)有限公司 | Method of recovering mistakenly-deleted files and mobile terminal |
| CN103164432B (en) * | 2011-12-13 | 2016-03-30 | 联想(北京)有限公司 | Recover method and the mobile terminal of deleted file by mistake |
| WO2013104151A1 (en) * | 2012-01-13 | 2013-07-18 | 中兴通讯股份有限公司 | Device management server and method for executing user data erasure by management device |
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