CN109547510A - A kind of off-line system method of data synchronization - Google Patents
A kind of off-line system method of data synchronization Download PDFInfo
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- CN109547510A CN109547510A CN201710864512.6A CN201710864512A CN109547510A CN 109547510 A CN109547510 A CN 109547510A CN 201710864512 A CN201710864512 A CN 201710864512A CN 109547510 A CN109547510 A CN 109547510A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/54—Presence management, e.g. monitoring or registration for receipt of user log-on information, or the connection status of the users
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Transfer Between Computers (AREA)
- Telephonic Communication Services (AREA)
Abstract
With the development of the emerging technologies such as internet, mobile Internet, cloud computing, big data, variation takes place in the usage mode of various businesses application system.Mobile terminal using more and more, but the use of operation system data can be affected, therefore the data synchronization problems applied offline solve the technology barrier at current mobile Internet software development due to the unstability of mobile network.More common offline application technology is completed based on server-side, carries out data syn-chronization situation judgement by server-side, such technology all has larger requirement to hardware devices such as configuration, the network bandwidths of server, exists using drawback.The present invention is by a kind of off-line system method of data synchronization, by marking timestamp in interactive information of the client between server-side and client, using timestamp as whether needing synchronous Rule of judgment.In the state of client off-line, information is stored in local data base, timestamp difference is judged when restoring network, data is carried out and synchronizes, realize offline application system.
Description
Technical field
The present invention relates to a kind of method of data synchronization, especially a kind of off-line system method of data synchronization.
Background technique
With the development of the emerging technologies such as internet, mobile Internet, cloud computing, big data, various businesses application system
Usage mode variation takes place.Mobile terminal using more and more, but can be influenced due to the unstability of mobile network
Operation system data use, therefore the data synchronization problems applied offline are solved into current mobile Internet software development
Technology barrier.
More common offline application technology is completed based on server-side, carries out data syn-chronization situation judgement by server-side, such as
Network is unobstructed, and data content is pushed to client, and if network is obstructed, corresponding client is in off-line state, then is servicing
Preserving sessions record in device, carry out network state poll, and when offline client restores network, data content is pushed to client
End.All there is larger requirement to hardware devices such as configuration, the network bandwidths of server in such technology, exist using drawback.
The present invention passes through the friendship in client between server-side and client by a kind of off-line system method of data synchronization
Mutual information marks timestamp, using timestamp as whether needing synchronous Rule of judgment.In the state of client off-line, it will believe
Breath is stored in local data base, and timestamp difference is judged when restoring network, is carried out data and is synchronized, and realizes application system offline
System.
Summary of the invention
It is an object of the invention to: in view of the deficiencies of the prior art, by client between server-side and client
Interactive information marks timestamp, using timestamp as whether needing synchronous Rule of judgment.It, will in the state of client off-line
Information is stored in local data base, and timestamp difference is judged when restoring network, is carried out data and is synchronized, and realizes application system offline
System.
Whole system, need to be divided into two parts by a kind of off-line system method of data synchronization of the present invention, and one
It is locally applied system, the other is service end system, two subsystems respectively further comprise following part:
Local offline engine subsystem includes following component part:
--- ephemeral data storage file: using different local data base application systems for different type of machines, realizes local number
According to interim store function；
--- network state detection device: judge that current system is in off-line state or presence；
--- timestamp generator: according to requiring, the acquisition time time, label time corresponding event；
--- data simultaneous module: complete local data with service end data it is synchronous, support bi-directional synchronization, that is, upload data and
Downloading data, while the logic including data when synchronous rectifys wrong function；
--- transmitted data on network function transmission module: is realized based on http protocol.
Service end system includes following component part:
--- database storage module: realizing the store function of system data, has both included that logic stores, has also included physical store；
--- timestamp validator: the verification of otherness is carried out to server-side timestamp and local time stamp, is called if consistent
Data simultaneous module synchronizes, otherwise unsynchronized data；
--- data simultaneous module: complete local data with service end data it is synchronous, support bi-directional synchronization, that is, upload data and
Downloading data, while the logic including data when synchronous rectifys wrong function；
--- transmitted data on network function transmission module: is realized based on http protocol.
User uses step are as follows:
Step 1: for all business datums in the ephemeral data storage file of client and the database storage module of server-side
Server time stamp, and any business operation are marked, label timestamp is required.
Step 2: whether client network state detector is online using polling technique inquiring client terminal, if not online
It is saved in local ephemeral data storage file.
Step 3: whether family end network state detection device is online using polling technique inquiring client terminal, such as online, then inquires
Whether the timestamp of the timestamp validator verifying client and server-side of requesting server-side is consistent, inconsistent, calls data same
Module is walked, is otherwise terminated.
Step 4: after synchronization module completion data synchronize, server-side timestamp and local time stamp are modified, guarantees timestamp
Consistency.
In this way, by the invention it is possible to effectively solve operation system offline application, and ensure offline apply data peace
The validity of Quan Xing and data synchronous transfer.
Specific embodiment
Embodiment one
Whole system need to be divided into two parts by a kind of off-line system method of data synchronization of the present invention, and one is this
Ground application system, the other is service end system, two subsystems respectively further comprise following part:
Local offline engine subsystem includes following component part:
--- ephemeral data storage file: using different local data base application systems for different type of machines, realizes local number
According to interim store function；
--- network state detection device: judge that current system is in off-line state or presence；
--- timestamp generator: according to requiring, the acquisition time time, label time corresponding event；
--- data simultaneous module: complete local data with service end data it is synchronous, support bi-directional synchronization, that is, upload data and
Downloading data, while the logic including data when synchronous rectifys wrong function；
--- transmitted data on network function transmission module: is realized based on http protocol.
Service end system includes following component part:
--- database storage module: realizing the store function of system data, has both included that logic stores, has also included physical store；
--- timestamp validator: the verification of otherness is carried out to server-side timestamp and local time stamp, is called if consistent
Data simultaneous module synchronizes, otherwise unsynchronized data；
--- data simultaneous module: complete local data with service end data it is synchronous, support bi-directional synchronization, that is, upload data and
Downloading data, while the logic including data when synchronous rectifys wrong function；
--- transmitted data on network function transmission module: is realized based on http protocol.
User uses step are as follows:
Step 1: for all business datums in the ephemeral data storage file of client and the database storage module of server-side
Server time stamp, and any business operation are marked, label timestamp is required.
Step 2: whether client network state detector is online using polling technique inquiring client terminal, if not online
It is saved in local ephemeral data storage file.
Step 3: whether family end network state detection device is online using polling technique inquiring client terminal, such as online, then inquires
Whether the timestamp of the timestamp validator verifying client and server-side of requesting server-side is consistent, inconsistent, calls data same
Module is walked, is otherwise terminated.
Step 4: after synchronization module completion data synchronize, server-side timestamp and local time stamp are modified, guarantees timestamp
Consistency.
In this way, by the invention it is possible to effectively solve operation system offline application, and ensure offline apply data peace
The validity of Quan Xing and data synchronous transfer.
In addition to the implementation, the present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (2)
1. a kind of off-line system method of data synchronization, it is characterised in that: whole system need to be divided into two parts, one is this
Ground application system, the other is service end system, two subsystems respectively further comprise following part:
Locally offline engine subsystem includes
--- ephemeral data storage file: using different local data base application systems for different type of machines, realizes local number
According to interim store function；
--- network state detection device: judge that current system is in off-line state or presence；
--- timestamp generator: according to requiring, the acquisition time time, label time corresponding event；
--- data simultaneous module: complete local data with service end data it is synchronous, support bi-directional synchronization, that is, upload data and
Downloading data, while the logic including data when synchronous rectifys wrong function；
--- transmitted data on network function transmission module: is realized based on http protocol；
Service end system includes
--- database storage module: realizing the store function of system data, has both included that logic stores, has also included physical store；
--- timestamp validator: the verification of otherness is carried out to server-side timestamp and local time stamp, is called if consistent
Data simultaneous module synchronizes, otherwise unsynchronized data；
--- data simultaneous module: complete local data with service end data it is synchronous, support bi-directional synchronization, that is, upload data and
Downloading data, while the logic including data when synchronous rectifys wrong function；
--- transmitted data on network function transmission module: is realized based on http protocol.
2. a kind of off-line system method of data synchronization according to claim 1, it is further characterized in that: user uses step are as follows:
Step 1 is all business datums in the ephemeral data storage file of client and the database storage module of server-side
Server time stamp, and any business operation are marked, label timestamp is required；
Step 2, whether client network state detector is online using polling technique inquiring client terminal, saves if not online
Into local ephemeral data storage file；
Step 3, whether family end network state detection device is online using polling technique inquiring client terminal, such as online, then inquiry request
Whether the timestamp validator verifying client of server-side and the timestamp of server-side are consistent, inconsistent, call the synchronous mould of data
Otherwise block terminates；
Step 4 modifies server-side timestamp and local time stamp, guarantees the one of timestamp after synchronization module completion data synchronize
Cause property.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710864512.6A CN109547510A (en) | 2017-09-22 | 2017-09-22 | A kind of off-line system method of data synchronization |
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| CN201710864512.6A CN109547510A (en) | 2017-09-22 | 2017-09-22 | A kind of off-line system method of data synchronization |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111666303A (en) * | 2020-05-29 | 2020-09-15 | 傲网信息科技（厦门）有限公司 | Online and offline document processing system and method |
| CN112350990A (en) * | 2020-09-21 | 2021-02-09 | 上海伊邦医药信息科技股份有限公司 | Off-line data synchronization method for third-party internet retail cashier system |
| CN112702427A (en) * | 2020-12-23 | 2021-04-23 | 武汉湖江科技有限公司 | Industrial internet data synchronization system |
| CN112786188A (en) * | 2021-02-05 | 2021-05-11 | 北京致医健康信息技术有限公司 | Offline working method and device of auxiliary diagnosis system, terminal equipment and medium |
| CN113327098A (en) * | 2021-06-15 | 2021-08-31 | 镇江高等职业技术学校 | Multi-terminal cooperative operation intelligent information management platform |
| CN113840002A (en) * | 2021-09-24 | 2021-12-24 | 深圳市智莱科技股份有限公司 | Information processing method, system, equipment and medium for locker under weak network environment |
| CN113873079A (en) * | 2021-10-08 | 2021-12-31 | 浙江百应科技有限公司 | Call record supplementary transmission method and device based on working mobile phone APP and electronic equipment |
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| CN102456009A (en) * | 2010-10-21 | 2012-05-16 | 镇江金软计算机科技有限责任公司 | Off-line engine system based on software as a service (SaaS) mode |
| CN102857529A (en) * | 2011-06-30 | 2013-01-02 | 镇江雅迅软件有限责任公司 | Offline application system based on timestamp |
| US20150371188A1 (en) * | 2004-06-29 | 2015-12-24 | United Parcel Service Of America, Inc. | Data synchronization for offline processing |
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| US20150371188A1 (en) * | 2004-06-29 | 2015-12-24 | United Parcel Service Of America, Inc. | Data synchronization for offline processing |
| CN101075864A (en) * | 2007-07-16 | 2007-11-21 | 腾讯科技（深圳）有限公司 | Method for synchronizing and processing data, customer terminal equipment and servo |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111666303A (en) * | 2020-05-29 | 2020-09-15 | 傲网信息科技（厦门）有限公司 | Online and offline document processing system and method |
| CN112350990A (en) * | 2020-09-21 | 2021-02-09 | 上海伊邦医药信息科技股份有限公司 | Off-line data synchronization method for third-party internet retail cashier system |
| CN112350990B (en) * | 2020-09-21 | 2023-09-12 | 上海伊邦医药信息科技股份有限公司 | Method for synchronizing offline data of third-party internet retail cashing system |
| CN112702427A (en) * | 2020-12-23 | 2021-04-23 | 武汉湖江科技有限公司 | Industrial internet data synchronization system |
| CN112786188A (en) * | 2021-02-05 | 2021-05-11 | 北京致医健康信息技术有限公司 | Offline working method and device of auxiliary diagnosis system, terminal equipment and medium |
| CN113327098A (en) * | 2021-06-15 | 2021-08-31 | 镇江高等职业技术学校 | Multi-terminal cooperative operation intelligent information management platform |
| CN113840002A (en) * | 2021-09-24 | 2021-12-24 | 深圳市智莱科技股份有限公司 | Information processing method, system, equipment and medium for locker under weak network environment |
| CN113873079A (en) * | 2021-10-08 | 2021-12-31 | 浙江百应科技有限公司 | Call record supplementary transmission method and device based on working mobile phone APP and electronic equipment |
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