Dynamic Web Services Integration and Execution

DSP-enabled Web service development depends on whether you are working with read-only Web services or Web services which support read-write functionality. There are two ways to create Web services from data services. Both approaches rely on Data Service controls as the component-based integration mechanism. Firstcreate a folder for the controls inside the Web service's project folder, and then create the Data Service controls. You can also create controls during the process of adding them to the Web service but, for simplicity's sake, the instructions in this section assume that you have created the Data Service controls in advance.

Leave the checkbox labeled Make This a Control Factory unselected. This checkbox would cause the Data Service control to be instantiated at runtime using the factory pattern, rather than as a singleton. To use the control in a Web service, it must be a singleton. After testing, you can deploy your Web service to a production WebLogic Server and use it as you would any other Web service. The generated Web services automatically include operations method calls for each of the functions and procedures that the Data Service control comprises.

Follow the instructions in this section to generate and test a stateless Web service. These instructions assume that you have already created the Data Service control and that WebLogic Workshop is open. You will see methods operations for each of the functions and procedures contained in the Data Service control. For instance, if the original signature of the submit method of the generated JWS looks appears as:.

By default, WebLogic Workshop creates two operations in its generated Web services that can be used for testing purposes. Continue developing the functionality of the Web service as required, testing as you go along. Once the Web service is complete, you can create the artifacts necessary for client application development, as described in the next section, Client-Side DSP-Enabled Web Service Development.

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Your client application uses either a static or a dynamic approach to Web services. Both approaches are discussed in this section. The following topics provide brief summaries of the appropriate uses of static and dynamic clients. DSP includes the necessary utilities Java classes and Ant tasks to generate the following classes for your static Web service client:. A typical static Web service client can use the following code to retrieve a customer's record:. Neither the generated SDO classes, nor the Web service client proxy classes are needed for the Dynamic Web service client.

A typical dynamic Web service client can retrieve a customer's record with the following:.

Client Application Developer's Guide

The following general steps are involved in developing a static Web service client for DSP:. Each approach is described in this section. To generate the necessary classes, make sure your classpath includes:. To create a JAR comprising the client classes, execute sdogen at the command prompt as follows:.

This task implicitly defines an Ant FileSet, and supports all FileSet attributes for example, dir becomes basedir as well as the nested attributes and elements. Default Value schema A file that points to either an individual schema file or a directory of files.

Not a path reference. If multiple schema files need to be built together, use a nested fileset instead of setting schema. Also supports a nested classpath. If set to False off , -g: If set to True, the value of the debuglevel attribute determines the command line argument. No Yes memoryInitialSize The initial size of the memory for the underlying VM, if javac is run externally; ignored otherwise.

Defaults to the standard VM memory setting. These constraints must be addressed to satisfy client requirements, such as price, availability, so it is necessary to represent required QoS in the selected and composed web services.

Enabling DSP Applications for Web Service Clients

Moreover, Evaluation of composition process: So it is possible that the composer generates more than one composite service fulfilling the requirements. In that case, the composed web services are evaluated by their overall utilities using the information provided from the non-functional attributes. The most commonly used method is utility functions as in WSCE framework. The requester should specify weights to each QoS attribute and the best composite service is the one that is ranked on top. During the execution of composed web service, some web services may update their QoS properties others may become unavailable.

12 Great Web Service Testing Tools

A dynamic composition approach is needed, in which runtime changes in the QoS of the component services are taken into account. It is imperative to design a Web Service Composition and Execution WSCE framework that adapts to failure of web services or changes in their QoS offerings to satisfy user requirements or constraints, these issues already have been discussed in previous work by Al-Shargabi, El Shiekh, and Sabri Comes with a mock server functionality to create API mock within minutes.

Provides a Chrome extension to record and play test cases. Supports integration with Jenkins for continuous server integration and Jira for bug tracking. Facilitates roles and permissions management. Allows exporting and importing test cases and reports from external tools such as Postman Collections, Swagger 2, and more HttpMaster HttpMaster is another exclusive tool for REST web services testing. Provides different validation types and expressions to ease testing.

Utilizes command-line interface for test creation and execution Allows storing all information — API calls and project data at a single place.

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Runscope Runscope is a simple tool to test and monitor the performance of the API. Allows creating tests with dynamic data for even complex cases. Displays visually-rich metrics and analytics to identify problems. Allows reusing and executing tests across multiple locations. Facilitates managing tests centrally for better team collaboration. Rapise Rapise is a robust automation tool with powerful and extensible features.



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Allows storing prototyped requests against a specific web service. Contains built-in REST definition builder and object library. Comes with powerful, integrated reporting capabilities. Supports cross-browser testing and parallel execution. Provides real-time results display. Monitors system response time.

Concepts and Terminology

Supports different usage — as a complete test framework and as a standalone test runner. Allows integration with other systems as a plugin for external monitoring. Storm Lastly, Storm is another open source tool by CodePlex for testing web services written in Java or. Allows testing multiple web services from a single UI. Allows invoking web service methods that contain complex data types.