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Info
titleNote

Before executing this sample, it is recommended that you refer to section Exposing Rules as Services which explains in detail the process of writing and deploying a business rule.

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Sample Rule Definition

Rules

Rule 1: If the customer has bronze status, then the item costs five dollars.

Rule 2 : If the customer has silver status, then the item costs four dollars.

Rule 3 : If the customer has gold status, then the item costs three dollars.

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Rule Service Configuration (service.rsl)

Code Block
languagehtml/xml
<ruleService
        name="GetQuoteService"
        xmlns="http://wso2.org/carbon/rules"
        targetNamespace="http://com.test/quotation">
    <ruleSet>
        <rule resourceType="regular" sourceType="inline">
            <![CDATA[
                package quotation

                import samples.quotation.Customer;
                import samples.quotation.Quotation;

                rule "Gold Customer"
                when
                      Customer( status == "gold" )
                then
                      Quotation q = new Quotation();
                      q.setPrice(3);
                      insertLogical(q);
                end

                rule "Silver Customer"
                when
                      Customer( status == "silver" )
                then
                      Quotation q = new Quotation();
                      q.setPrice(4);
                      insertLogical(q);
                end

                rule "Bronze Customer"
                when
                      Customer( status == "bronze" )
                then
                      Quotation q = new Quotation();
                      q.setPrice(5);
                      insertLogical(q);
                end
            ]]>
        </rule>
    </ruleSet>
    <operation name="getQuote">
        <input wrapperElementName="placeCustomerDetail" namespace="http://com.test/placeCustomerDetail">
            <fact elementName="customerDetail" namespace="http://com.test/placeCustomerDetail" type="samples.quotation.Customer"></fact>
        </input>
        <output wrapperElementName="placeCustomerDetailRespone" namespace="http://com.test/placeCustomerDetail">
            <fact elementName="getQuotation" namespace="http://com.test/placeCustomerDetail" type="samples.quotation.Quotation"></fact>
        </output>
    </operation>
</ruleService>

Deploying and Testing the

Rule

Service

1. Deploy the rule service through the BRS management console. You can follow either of the two methods:

  • Bundle all artifacts in an .aar file and upload it (Rule Service -> Upload menu).
  • Create using the Rule Service wizard UI (Rule Service -> Create menu).

The above steps are discussed in detail in section Exposing Rules as Services.

2. After deployment, the service will appear in the "Deployed Services" window of the BRS management console. Access the service's dashboard by clicking on it.

3. In the "Client Operations" widget of the dashboard, invoke the Try-it tool to test the service.

4. In the service's TryIt window, issue a request similar to the following.

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