Page Comparison

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• Windows, Linux or Solaris operating system should exist.
• WSO2 BRS should be installed. To install the BRS, refer Installing the Product.  This also includes installing  Apache Ant as  one of the Installation Prerequisites.
  
• WSO2 BRS should be started as described in Running the Product.

Sample

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configuration

Sample

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rule definition

Rules

Rule 1 : An order for stocks of Company IBM is accepted only if the number of stocks is higher than 10.
Rule 2 : An order for stocks of Company SUN is accepted only if the stock price is higher than 100 $.
Rule 3 : An order for stocks of Company MSFT is accepted only if the stock price is higher than 50 $ and the number of stocks is lower than 200.

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There is one fact named Order. OrderAccept and OrderReject are used to capture the result of the service.

Rule

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service configuration (service.rsl) 

<ruleService
        name="OrderApprovalService"
        xmlns="http://wso2.org/carbon/rules"
        targetNamespace="http://com.test/orderApproval">
  <ruleSet>
        <rule resourceType="regular" sourceType="file">orderApprovalRules.drl</rule>
    </ruleSet>
    <operation name="placeOrder">
        <input wrapperElementName="placeOrder" namespace="http://com.test/placeorder">
            <fact elementName="order" namespace="http://com.test/placeorder" type="samples.userguide.PlaceOrder"></fact>
        </input>
        <output wrapperElementName="placeOrderRespone" namespace="http://com.test/placeorder">
            <fact elementName="orderAccept" namespace="http://com.test/placeorder" type="samples.userguide.OrderAccept"></fact>
            <fact elementName="orderReject" namespace="http://com.test/placeorder" type="samples.userguide.OrderReject"></fact>
        </output>
    </operation>
</ruleService>

Executing the

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service

To execute the sampleservice, run the ant command from the  <PRODUCT_HOME>/samples/quotation.service directory to run the OrderApproval Service.

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