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Object usage scenario extraction method and device
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An extraction method and scene technology, which are applied in the field of object usage scene extraction methods and devices, and can solve the problem of insufficient number of object usage scenes and the like
Active Publication Date: 2015-11-18
WUHAN INSTITUTE OF TECHNOLOGY
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[0009] The present invention provides a method and device for extracting object usage scenarios, which are used to solve the technical problem of insufficient number of object usage scenarios in the prior art when mining component protocols
Method used
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Embodiment 1
[0044] This embodiment provides a method for extracting object usage scenarios, please refer to figure 1 , figure 1 The step diagram of the object use scene extraction method provided in this embodiment, such as figure 1 As shown, the method includes:
[0045] Step S101, acquiring the first object usage scenario of the target class; the first object usage scenario is a sequence of N functions called in the first order, where N is an integer greater than 1;
[0046] Step S102, determining a first parent class according to the target class; the first parent class is the parent class of the target class;
[0047] Step S103, determining L functions from the N functions; the L functions are all functions of the first parent class; N≥L>1;
[0048]Step S104, arranging the L functions according to the first order to generate a second object usage scenario of the first parent class; the second object usage scenario is an inherited child object of the first object usage scenario sce...
Embodiment 2
[0115] This embodiment provides an object usage scene extraction device, such as image 3 As shown, the device includes:
[0116] An acquisition unit 301, configured to acquire a first object usage scenario of a target class; the first object usage scenario is a sequence of N functions called in a first order, where N is an integer greater than 1;
[0117] The first determining unit 302 is configured to determine a first parent class according to the target class; the first parent class is a parent class of the target class;
[0118] The second determining unit 303 is configured to determine L functions from the N functions; the L functions are all functions of the first parent class; N≥L>1;
[0119] A generating unit 304, configured to arrange the L functions in the first order to generate a second object usage scenario of the first parent class; the second object usage scenario is the first object usage scenario Inherited sub-object usage scenarios.
[0120] In this embod...
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Abstract
The present invention discloses an object usage scenario extraction method and device. The method includes: obtaining a first object usage scenario of a target class, wherein the first object usage scenario is a sequence of N functions called by a first sequence; determining a first parent class according to the target class, wherein the first parent class is the parent class of the target class; determining L functions from the N functions, wherein the L functions are the functions of the first parent class, wherein N=>L>1; arranging the L functions according to the first sequence to generate a second object usage scenario of the first parent class, wherein the second object usage scenario is a inheritance subobject of the first object usage scenario. The method and device provided by the present invention are used to solve the technical problem that when component contracts are mined, the quantity of object usage scenarios is inadequate, and achieve the technical effect that function call sequences of a mass of object usage scenarios can be obtained by running a small number of application programs.
Description
technical field [0001] The invention relates to the technical field of program mining, in particular to a method and device for extracting object usage scenarios. Background technique [0002] Timing constraints usually exist between interface functions of software components. The timing constraints that need to be followed when using a software component constitute a protocol for that component, the component protocol. This protocol specifies the sequence of calls between interface functions. As shown below, a timing constraint of classes java.util.Stack and java.util.Iteration are shown respectively: [0003] Before calling the peek() function of the Stack class to view the top element of the stack, you should call push() to insert an element into the stack; [0004] Before calling the next() function of the Iteration class to get the next element, the hasNext() function should be called to check whether the next element exists. [0005] This constraint information can...
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