Method for importing data

A data import and data technology, applied in the field of data processing, can solve the problems of large memory occupation and long consumption time, and achieve the effect of reducing memory occupation, improving response speed, and improving stability

Active Publication Date: 2010-05-26
HISENSE BROADBAND MULTIMEDIA TECH
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Problems solved by technology

[0003] The present invention aims at the technical problems of large memory usage and time-consuming when importing a large amount of data in the prior art, and provides a method for data import. By creating a data abstraction class as the middle layer of data import management, it is used for data import. Import and memory management realize the purpose of using a small memory space to provide a large amount of data to the UI module in batches for use

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0030] Aiming at the disadvantages of the prior art that the UI module of a system with a small memory such as an embedded system accesses a large amount of data in a database, it occupies a large amount of memory and consumes a lot of time, and proposes an efficient and memory-saving data import method.

[0031] Such as figure 2 As shown in the schematic diagram of the basic principle of the data import method of the present invention, the present invention creates a data abstract class during data import under the premise of keeping the original structure of the system unchanged, as an intermediate layer between the system memory and the database. The data abstract class is a base class of the database. After the UI module is started, the system will apply for memory space for the data abstract class. The memory space can be determined according to the amo...

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Abstract

The invention discloses a method for importing data and the method comprises the following steps: establishing data abstraction category as the base category of database, applying for internal storage space of the data abstraction category; using the data abstraction category to read data in the internal storage space from the database; and importing the desired data from the internal storage space by a UI module, wherein the size of the internal storage space is determined by the data size which can be displayed by the UI module. The invention establishes the data abstraction category as the intermediate layer of the data import management for the data import and internal storage management, thus realizing the aim that less internal storage space is utilized to provide a great deal of data in batches for the UI module to use.

Description

technical field [0001] The invention relates to a method for importing data, in particular to a step-by-step data import method for a small memory, in particular to a step-by-step data import method for an embedded system, which belongs to the technical field of data processing. Background technique [0002] With the development of embedded technology and the increase of user demands, embedded systems are increasingly used in multimedia devices such as set-top boxes and high-definition players. On these multimedia devices, the user interface UI serves as an interface for the user to interact with the device, and can be used to display lists, play audio and video files and pictures, and the like. When performing these operations, the UI module often needs a large amount of data, which is imported into the UI module part by part according to the amount of data that can be displayed by the UI each time, and then displayed on the UI. figure 1 It is a schematic diagram of the ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 刘作珍
Owner HISENSE BROADBAND MULTIMEDIA TECH
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