®
IBM Software Group
OSLC Reporting
POC implementation
Dragos Cojocari
March 2010
© 2008, 2009 IBM Corporation
IBM Software Group | Rational software
Purpose
 Verify that RPE can consume data using the OLSC Reporting Specification 1.0
 Scope
 Defined by http://open-services.net/bin/view/Main/ResourceQuery#spec
 Main objectives
 Validate query language
 Validate automatic result set schema construction
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IBM Software Group | Rational software
Solution
 The main features of the POC are:
 Manual input of resource shape definition
 Graphic query building
 Automatic construction of result set schema
 Request data from the source provider using the built query
 The tool will be built as a standalone tool.
 The tool will have a single UI screen to allow the user a global view at all times
 allows an immediate validation of the query building and the construction of the result set
schema
 most bits of the POC can be immediately integrated in RPE
 the POC can be used as a reference implementation as well as a simple test tool for
providers.
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IBM Software Group | Rational software
Resource shape definition
 Entered as XSD
 The user will point the tool to an XSD file
 Entered visually using a tree editor that supports
adding nodes of type “element” and “attribute”
 The resources will be of two types: list and simple. Is this
needed?
 Advantages
 Sufficient to validate query building and result set schema
construction
 decouples the POC from the Resource Shape Definition
 prevents hard coding the resource shape definition
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IBM Software Group | Rational software
Query Building
 The user will define the query in the following way:
 Define the oslc.prefix for the resource
 define the oslc.select and oslc.properties values by
selecting the appropriate nodes in the resource shape tree
 (optional) type the oslc.where value in a text box
 (optional) type the oslc.limit value in a text box
 (optional) type the oslc.orderBy value in a text box
 The tool will encode the request to valid URL syntax
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IBM Software Group | Rational software
Construction of result set schema
 The tool will create the result schema based on the resource shape definition
and the current query value
 How is the oslc.prefix reflected in the result set?
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IBM Software Group | Rational software
Request data from provider
 The user needs to define the URL where the query must be sent
 ex: https://localhost:9443/testcase
 The user needs to provide authentication information:
 Credentials
 Authentication type ( the POC will support only basic and form based authentication)
 The user sends the request by clicking the “SEND“ button
 The status and error information of the HTTP requests and responses are provided to the
user
 The result data is saved in a temporary folder and the link is provided to the user to open it
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