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Distributed service system and method based on state machine-interaction event model

A technology of distributed services and interactive events, applied in transmission systems, electrical components, etc., can solve problems such as dependencies and achieve strong targeted effects

Inactive Publication Date: 2012-07-04
NANJING NORMAL UNIVERSITY
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Problems solved by technology

These distributed service component technologies are built on the basis of programming languages. For example, the RPC protocol is based on process-oriented languages, and remote computing resources are provided to developers in the form of remote functions; DCOM and CORBA are based on object-oriented languages. , to publish functions to users in the form of interfaces; although XML Web Service and Ajax technologies expose object-oriented interfaces, because they rely on the stateless HTTP protocol, different operations are also stateless

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  • Distributed service system and method based on state machine-interaction event model
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  • Distributed service system and method based on state machine-interaction event model

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Embodiment Construction

[0018] The present invention will be further described in detail below in conjunction with the drawings and embodiments.

[0019] The distributed service system based on the state machine-interactive event model of the present invention includes two inseparable parts:

[0020] A. State machine-interactive event model, which defines the principle of establishing this distributed service system that meets this model;

[0021] B. The distributed service component specification based on the state machine-interactive event model defines the implementation mechanism at the software level that conforms to the model defined by A.

[0022] The invention conforms to the general client / server (Client / Server, C / S) model, and includes two parts: a server and a client. The client and the server communicate and work together through the network to complete computing tasks. Attached figure 1 The interactive service method based on the state machine-interaction event model is shown. The execution of t...

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Abstract

The invention discloses a distributed service system and method based on a state machine-interaction event model and belongs to the technical field of information. The system comprises the state machine-interaction event model and a distributed service component specification based on the model, wherein the state machine-interaction event model is characterized in that service run logic is expressed by a state machine and each state comprises one group of interaction events; the distributed service component specification comprises a service behavior description contract, a service component interface model and a service information cooperation model; the service behavior description contract describes the an execution behavior and interaction behavior of a service; the definition of the service component interface model is used for realizing an object-oriented interface of the service; and an information cooperation mechanism for interacting the service with a client is defined by the service information cooperation model. An interactive operation mechanism of the service and the client, established by the invention, can support service description, service realization and service access which have abundant interaction behaviors.

Description

Technical field [0001] The invention belongs to the field of information technology, and establishes a distributed service system based on a state machine-interactive event model and a service method thereof. Background technique [0002] Network technology and computer technology constitute the basic technical support for distributed computing, and have also become the cornerstone of building a modern information building. A large amount of data collection, storage, and analysis rely on distributed computing. Heterogeneous computer hardware systems and software platforms make modern distributed systems rely on contracts and protocols that they follow together, such as TCP / IP and HTTP. Software developers are easy to accept the program development model, and a series of distributed component technologies that facilitate program development and shield the details of network communication have been produced in the field of distributed computing, such as RPC (Remote Procedure Call) ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/06
Inventor 温永宁闾国年陈旻陶虹胡迪吴明光
Owner NANJING NORMAL UNIVERSITY
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