CN111145024A - Market data pushing method and device - Google Patents
Market data pushing method and device Download PDFInfo
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- CN111145024A CN111145024A CN201911381388.3A CN201911381388A CN111145024A CN 111145024 A CN111145024 A CN 111145024A CN 201911381388 A CN201911381388 A CN 201911381388A CN 111145024 A CN111145024 A CN 111145024A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention provides a method and a device for pushing market quotation data, wherein the method comprises a stock subscription flow and a stock subscription refreshing flow, wherein the stock subscription refreshing flow comprises the steps of monitoring the rolling position of a screen when a user triggers the screen to roll, and recalculating the starting point position and the end point position of the current screen which is being displayed after the screen is stopped rolling; carrying out range comparison on the starting point and the end point position which are recalculated and are currently displayed on the current screen and the starting point and the end point position which are displayed at the previous time; if the starting point and the end point position exceed the last range, emptying the subscription list set and canceling the previous stock subscription; and constructing a new stock subscription list set according to the stock list data of the current range, and initiating a new stock list subscription. The invention can effectively improve the stability of updating the stock market.
Description
Technical Field
The present invention relates to a pushing method and device, and in particular, to a pushing method and device for market data.
Background
It is well known that the stability and rapidity of market conditions are very important for professional stock makers. The existing self-selected stock list data is updated to be refreshed at a fixed time within 3 seconds, but stock quotation updating is frequent, so that the quotation updating is not timely, and the judgment of a client on a transaction is influenced to a great extent. Therefore, the self-chosen stock list timed refresh mechanism apparently fails to meet the customer's needs. If the update of the data of the optional stock list is changed into the push update of the receiving server, the server is stressed greatly.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a method and a device for pushing market data are provided, aiming at improving the stability of stock market updating.
In order to solve the technical problems, the invention adopts the technical scheme that: a method for pushing market data comprises a stock subscription flow and a stock subscription refreshing flow; the stock subscription flow includes the steps of,
s11, acquiring real-time market data of the optional stock list;
s12, storing the real-time market data of the whole list into a full data set;
s13, calculating the starting point and the end point of the current screen display range, and setting a floating range above and below the starting point and the end point;
s14, storing the visible list data into the visible list set by taking the code of the stock and the stock market as a unique key and the stock data as a value;
s15, when the visible list data is displayed, taking out the stock data from the full data set, taking the stock market and the stock codes to form a unique key, and taking out the stock data from the visible list set;
s16, if the stock data can be obtained, displaying all real-time market data of the stock;
s17, taking out the corresponding subscript from the full data set as value to form a stock subscription list set according to key, and then subscribing the stock of the set;
the stock subscription refresh flow includes the steps of,
s21, monitoring the screen rolling position when the user triggers the screen rolling, and recalculating the starting point and the end point of the current screen when the screen rolling is stopped;
s22, carrying out range comparison on the starting point and the end point position which are displayed at the current screen and are recalculated with the starting point and the end point position displayed at the previous time;
s23, if the starting point and the end point position exceed the last range, emptying the subscription list set, and canceling the previous stock subscription;
s24, constructing a new stock subscription list set according to the stock list data of the current range, and initiating a new stock list subscription.
Furthermore, the quotation data pushing method also comprises a stock pushing flow, the stock pushing flow comprises the steps of,
s31, when receiving the stock push, taking out the stock market and the code of the stock to form a unique key, and taking out the corresponding subscript of the stock from the subscription list set;
s32, updating the stock data corresponding to the subscripts of the visible list set according to the corresponding subscript values of the stocks;
and S33, if the server is abnormal or the push time interval exceeds the preset time length, the push cannot be received, starting a timing refresh mechanism.
Further, in step S16, the method further includes displaying stock basic data including the current price and the rise and fall of the stock if the stock data cannot be obtained.
Further, in step S24, if the stock list subscription fails, the method polls the stocks requesting to subscribe to the collection until the subscription is successful.
The invention also provides a device for pushing the market quotation data, which comprises a stock subscription module and a stock subscription refreshing module; the stock subscription module comprises a module for subscribing the stock,
the market data acquisition unit is used for acquiring real-time market data of the optional stock list;
the market data storage unit is used for storing the real-time market data of the whole list into a full data set;
the display range calculation unit is used for calculating the starting point and the end point of the current screen display range and setting a floating range up and down for the starting point and the end point;
the visible list data storage unit is used for storing the visible list data into the visible list set by taking the code of the stock and the stock market as a unique key and taking the stock data as a value;
the stock data acquisition unit is used for taking out the stock data from the full data set when the visible list data is displayed, taking the stock data out of the visible list set, and taking the stock data out of the visible list set by taking the stock market and the stock codes to form a unique key;
the quotation data display unit is used for displaying all real-time quotation data of the stock if the stock data can be obtained;
the stock subscription unit is used for taking out the corresponding subscript from the full data set as value according to the key to form a stock subscription list set, and then subscribing the stocks of the set;
the stock subscription refreshing module comprises a module for refreshing stock subscription,
the screen position monitoring unit is used for monitoring the screen rolling position when a user triggers the screen to roll, and recalculating the starting point position and the end point position of the current screen which is being displayed after the screen is stopped rolling;
the display position comparison unit is used for carrying out range comparison on the starting point and the end point position which are recalculated and are currently displayed on the current screen and the starting point and the end point position which are displayed at the previous time;
the stock subscription canceling unit is used for emptying the subscription list set and canceling the previous stock subscription if the starting point position and the end point position exceed the last range;
and the stock re-subscription unit is used for constructing a new stock subscription list set according to the stock list data of the current range and initiating new stock list subscription.
Furthermore, the quotation data pushing device also comprises a stock pushing module, the stock pushing module comprises,
the stock subscript acquiring unit is used for taking out the stock market and the code of the stock to form a unique key when receiving the stock push, and taking out the corresponding subscript of the stock from the subscription list set;
the stock data updating unit is used for updating the stock data corresponding to the subscripts of the visible list set according to the corresponding subscript values of the stocks;
and the stock pushing and refreshing unit is used for starting a timing refreshing mechanism if the server is abnormal or the pushing time interval exceeds the preset time length so that the pushing cannot be received.
Further, the quotation data display unit is also used for displaying stock basic data if the stock data can not be obtained, wherein the stock basic data comprises the current price and the rise and fall of the stock.
Furthermore, the device for pushing the market data further comprises,
and the stock polling and subscribing unit is used for polling and requesting to subscribe the stocks of the set until the subscription is successful if the subscription of the stock list fails.
The invention has the beneficial effects that: through the subscription process, stock data can be rapidly acquired, when the stock subscription is updated, the displayed stock data can be rapidly refreshed through the stock subscription refreshing process, the fault tolerance rate is increased, the pressure on a server is reduced, the flow consumption and the electric quantity consumption of a user are reduced, and the stability of stock market updating is improved.
Drawings
The following detailed description of the invention refers to the accompanying drawings.
FIG. 1 is a flow chart of stock subscription according to an embodiment of the present invention;
FIG. 2 is a flow chart of stock subscription refresh according to an embodiment of the present invention;
FIG. 3 is a flow chart of stock pushing according to an embodiment of the present invention;
FIG. 4 is a block diagram of a stock subscription module according to an embodiment of the invention;
FIG. 5 is a block diagram of a stock subscription refresh module according to an embodiment of the invention;
fig. 6 is a block diagram of a stock pushing module according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
The first embodiment of the invention is as follows: a method for pushing market data comprises a stock subscription flow and a stock subscription refreshing flow;
as shown in fig. 1, the stock subscription flow includes steps,
s11, acquiring real-time market data of the optional stock list;
s12, storing the real-time market data of the whole list into a full data set;
s13, calculating the starting point and the end point of the current screen display range, and setting a floating range above and below the starting point and the end point;
in this step, a floating range is set up above and below the starting point and the end point to avoid triggering a new data request due to small-amplitude sliding of the user and slight screen sliding caused by some misoperation.
S14, storing the visible list data into the visible list set by taking the code of the stock and the stock market as a unique key and the stock data as a value;
s15, when the visible list data is displayed, taking out the stock data from the full data set, taking the stock market and the stock codes to form a unique key, and taking out the stock data from the visible list set;
s16, if the stock data can be obtained, displaying all real-time market data of the stock;
s17, taking out the corresponding subscript from the full data set as value to form a stock subscription list set according to key, and then subscribing the stock of the set;
in this step, the subscript is the corresponding position of the data model of a certain stock in the full data set of the real-time quotation data of the self-selected stock list, and when the stock data pushed by the server is received, the data can be updated according to the subscript value.
As shown in fig. 2, the stock subscription refresh flow includes steps,
s21, monitoring the screen rolling position when the user triggers the screen rolling, and recalculating the starting point and the end point of the current screen when the screen rolling is stopped;
in this step, the monitored position is a local position of the screen, namely, a position where the optional stock list is displayed, and the related screen scrolling is the screen scrolling triggered by the sliding of the optional stock list. The specific setting is that a system API is called to monitor the scrolling position of the screen.
S22, carrying out range comparison on the starting point and the end point position which are displayed at the current screen and are recalculated with the starting point and the end point position displayed at the previous time;
s23, if the starting point and the end point position exceed the last range, emptying the subscription list set, and canceling the previous stock subscription;
s24, constructing a new stock subscription list set according to the stock list data of the current range, and initiating a new stock list subscription.
Furthermore, the quotation data pushing method also comprises a stock pushing process,
as shown in fig. 3, the stock push flow includes steps,
s31, when receiving the stock push, taking out the stock market and the code of the stock to form a unique key, and taking out the corresponding subscript of the stock from the subscription list set;
s32, updating the stock data corresponding to the subscripts of the visible list set according to the corresponding subscript values of the stocks;
and S33, if the server is abnormal or the push time interval exceeds the preset time length, the push cannot be received, starting a timing refresh mechanism.
In this step, a timing refresh mechanism is started to ensure the timeliness of data.
Further, in step S16, the method further includes displaying stock basic data including the current price and the rise and fall of the stock if the stock data cannot be obtained.
Further, in step S24, if the stock list subscription fails, the method polls the stocks requesting to subscribe to the collection until the subscription is successful.
In this embodiment, through the subscription flow, the stock subscription refreshing flow, and the stock pushing flow, the pushing update and the regular refreshing coexist, which can realize the fast acquisition of stock data, increase the fault tolerance rate, reduce the pressure on the server, reduce the flow consumption and the electric quantity consumption of the user, and improve the stability of the stock market update.
The second embodiment of the present invention is: a device for pushing market data comprises a stock subscription module and a stock subscription refreshing module;
as shown in fig. 4, the stock subscription module includes,
the market data acquisition unit 11 is used for acquiring real-time market data of the optional stock list;
a market data storage unit 12, configured to store real-time market data of the entire list into a full data set;
the display range calculating unit 13 is used for calculating the starting point and the end point of the current screen display range and setting a floating range up and down for the starting point and the end point;
a visible list data storage unit 14 for storing the visible list data into the visible list set with the code of the stock and the stock market as a unique key and the stock data as a value;
the stock data acquisition unit 15 is used for taking out stock data from the full data set when the visible list data is displayed, taking the stock data out of the visible list set, and taking the stock data out of the visible list set by taking the stock market and the stock codes to form a unique key;
the quotation data display unit 16 is used for displaying all real-time quotation data of the stock if the stock data can be obtained;
the stock subscription unit 17 is used for taking out the corresponding subscript from the full data set as value according to the key to form a stock subscription list set, and then subscribing the stocks of the set;
as shown in fig. 5, the stock subscription refresh module includes,
the screen position monitoring unit 21 is used for monitoring the screen rolling position when a user triggers screen rolling, and recalculating the starting point and the end point of the current screen which is being displayed after the screen rolling is stopped;
a display position comparison unit 22, configured to perform range comparison on the starting point and the ending point position of the current screen being displayed, which are recalculated, and the starting point and the ending point position of the previous display;
a stock subscription canceling unit 23, configured to empty the subscription list set and cancel the previous stock subscription if the starting point and the ending point are out of the last range;
and the stock re-subscription unit 24 is configured to construct a new stock subscription list set according to the stock list data of the current range, and initiate a new stock list subscription.
Furthermore, the market data pushing device also comprises a stock pushing module,
as shown in fig. 6, the stock push module includes,
a stock subscript acquiring unit 31, configured to, when receiving a stock push, take out a stock market and a code of the stock to form a unique key, and take out a corresponding subscript of the stock from the subscription list set;
the stock data updating unit 32 is used for updating the stock data corresponding to the subscripts of the visible list set according to the corresponding subscript values of the stocks;
and the stock push refreshing unit 33 is configured to start a timing refreshing mechanism if the server is abnormal or the push time interval exceeds a preset time length, so that the push cannot be received.
Further, the quotation data display unit 16 is further configured to display stock basic data including the current price and the rise and fall of the stock if the stock data cannot be obtained.
Furthermore, the device for pushing the market data further comprises,
and the stock polling and subscribing unit is used for polling and requesting to subscribe the stocks of the set until the subscription is successful if the subscription of the stock list fails.
It should be noted that, as can be clearly understood by those skilled in the art, the specific implementation processes of the market data pushing device and each unit may refer to the corresponding descriptions in the foregoing method embodiments, and for convenience and conciseness of description, no further description is provided herein.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative. For example, the division of each unit is only one logic function division, and there may be another division manner in actual implementation. For example, various elements or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented.
The steps in the method of the embodiment of the invention can be sequentially adjusted, combined and deleted according to actual needs. The units in the device of the embodiment of the invention can be merged, divided and deleted according to actual needs. In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a storage medium. Based on such understanding, the technical solution of the present invention essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a terminal, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A market data pushing method is characterized by comprising the following steps: the method comprises a stock subscription flow and a stock subscription refreshing flow; the stock subscription flow includes the steps of,
s11, acquiring real-time market data of the optional stock list;
s12, storing the real-time market data of the whole list into a full data set;
s13, calculating the starting point and the end point of the current screen display range, and setting a floating range above and below the starting point and the end point;
s14, storing the visible list data into the visible list set by taking the code of the stock and the stock market as a unique key and the stock data as a value;
s15, when the visible list data is displayed, taking out the stock data from the full data set, taking the stock market and the stock codes to form a unique key, and taking out the stock data from the visible list set;
s16, if the stock data can be obtained, displaying all real-time market data of the stock;
s17, taking out the corresponding subscript from the full data set as value to form a stock subscription list set according to key, and then subscribing the stock of the set;
the stock subscription refresh flow includes the steps of,
s21, monitoring the screen rolling position when the user triggers the screen rolling, and recalculating the starting point and the end point of the current screen when the screen rolling is stopped;
s22, carrying out range comparison on the starting point and the end point position which are displayed at the current screen and are recalculated with the starting point and the end point position displayed at the previous time;
s23, if the starting point and the end point position exceed the last range, emptying the subscription list set, and canceling the previous stock subscription;
s24, constructing a new stock subscription list set according to the stock list data of the current range, and initiating a new stock list subscription.
2. The method for pushing market data according to claim 1, wherein: the quotation data pushing method also comprises a stock pushing flow, the stock pushing flow comprises the steps of,
s31, when receiving the stock push, taking out the stock market and the code of the stock to form a unique key, and taking out the corresponding subscript of the stock from the subscription list set;
s32, updating the stock data corresponding to the subscripts of the visible list set according to the corresponding subscript values of the stocks;
and S33, if the server is abnormal or the push time interval exceeds the preset time length, the push cannot be received, starting a timing refresh mechanism.
3. The method for pushing market data according to claim 1, wherein: in step S16, the method further includes displaying stock basic data including the current price and the rise and fall of the stock if the stock data cannot be obtained.
4. The method for pushing market data according to claim 1, wherein: in step S24, if the stock list subscription fails, the method polls the stocks requesting to subscribe to the collection until the subscription is successful.
5. The utility model provides a pusher of market data which characterized in that: the stock subscription and refreshing module is used for updating the stock subscription and refreshing the stock subscription; the stock subscription module comprises a module for subscribing the stock,
the market data acquisition unit is used for acquiring real-time market data of the optional stock list;
the market data storage unit is used for storing the real-time market data of the whole list into a full data set;
the display range calculation unit is used for calculating the starting point and the end point of the current screen display range and setting a floating range up and down for the starting point and the end point;
the visible list data storage unit is used for storing the visible list data into the visible list set by taking the code of the stock and the stock market as a unique key and taking the stock data as a value;
the stock data acquisition unit is used for taking out the stock data from the full data set when the visible list data is displayed, taking the stock data out of the visible list set, and taking the stock data out of the visible list set by taking the stock market and the stock codes to form a unique key;
the quotation data display unit is used for displaying all real-time quotation data of the stock if the stock data can be obtained;
the stock subscription unit is used for taking out the corresponding subscript from the full data set as value according to the key to form a stock subscription list set, and then subscribing the stocks of the set;
the stock subscription refreshing module comprises a module for refreshing stock subscription,
the screen position monitoring unit is used for monitoring the screen rolling position when a user triggers the screen to roll, and recalculating the starting point position and the end point position of the current screen which is being displayed after the screen is stopped rolling;
the display position comparison unit is used for carrying out range comparison on the starting point and the end point position which are recalculated and are currently displayed on the current screen and the starting point and the end point position which are displayed at the previous time;
the stock subscription canceling unit is used for emptying the subscription list set and canceling the previous stock subscription if the starting point position and the end point position exceed the last range;
and the stock re-subscription unit is used for constructing a new stock subscription list set according to the stock list data of the current range and initiating new stock list subscription.
6. The apparatus for pushing market data according to claim 5, wherein: the device for pushing the quotation data also comprises a stock pushing module, the stock pushing module comprises,
the stock subscript acquiring unit is used for taking out the stock market and the code of the stock to form a unique key when receiving the stock push, and taking out the corresponding subscript of the stock from the subscription list set;
the stock data updating unit is used for updating the stock data corresponding to the subscripts of the visible list set according to the corresponding subscript values of the stocks;
and the stock pushing and refreshing unit is used for starting a timing refreshing mechanism if the server is abnormal or the pushing time interval exceeds the preset time length so that the pushing cannot be received.
7. The apparatus for pushing market data according to claim 5, wherein: the quotation data display unit is also used for displaying stock basic data if the stock data can not be taken, wherein the stock basic data comprises the stock spot price and the rise and fall.
8. The apparatus for pushing market data according to claim 5, wherein: the device for pushing the market data further comprises,
and the stock polling and subscribing unit is used for polling and requesting to subscribe the stocks of the set until the subscription is successful if the subscription of the stock list fails.
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| CN115186198A (en) * | 2022-09-09 | 2022-10-14 | 中国中金财富证券有限公司 | Stock market quotation pushing method and related device |
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