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A rules service can be created through the rule service wizard of the WSO2 BRS management console, as follows:1.
- Log in to the WSO2 BRS management console and click Create under Rules Service in the Main page.
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- The Service Information
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- window opens. Enter the required information and
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- click Next. The service name has to be unique.
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- The Rule Set Information
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- window appears. There are four ways to specify a rule set or a rule script.
- In-lined : Script is provided in the window itself
- Registry Key: Include the rule script in the system's governance registry. (Multiple scripts can be added here).
- Rule File: Upload a Drools rules file from a folder.
- URL: Upload from a url
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- Once the rule is uploaded
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- click Next.
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- The Facts Upload
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- window appears to upload facts and results that are used in the rule script. It should be a valid jar file. Multiple jar files can be uploaded. For example, create a jar file from the facts and results defined
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- The Operations Summary
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- window appears, displaying any operations available in the service. You can also use
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- the Add New Operation
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- link to create a new operation.
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- The Add Operation
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- window appears. Fill in the fields appropriately.
- Name: Operation name which is mandatory.
- Input and output facts: You can use fact "selector" to select a type, which you have already uploaded in the input fact upload step. In this example, one fact is added with the type
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- as
samples.userguide.PlaceOrder
- as
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- and two outputs with types
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- as
samples.userguide.OrderReject
- as
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- and
samples.userguide.OrderAccept. Note
- and
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- that
Type
- that
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- is the only mandatory attribute in both input and output facts.
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- Click the Add button once done. This will bring you to the
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- previous Operations Summary
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- window.
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- Click Finish
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- to create and deploy the rule service.