camel-2.8.x/components/camel-spring/src/test/resources/org/apache/camel/spring/processor/ThrottlingInflightRoutePolicyTest.xml

<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="
       http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
       http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd
    ">

    <!-- START SNIPPET: e1 -->
    <!-- configure our route policy to throttling based -->
    <bean id="myRoutePolicy" class="org.apache.camel.impl.ThrottlingInflightRoutePolicy">
        <!-- we want at most 10 concurrent inflight exchanges -->
        <property name="maxInflightExchanges" value="10"/>
        <!-- and we want a low water mark value of 20% of the max which means that
             the route will be resumed when hitting low to <= 2 current inflight exchanges -->
        <property name="resumePercentOfMax" value="20"/>
        <!-- and we want it to be scoped at this route: (can also be context scoped)
             its default route scoped so we could omit this property -->
        <property name="scope" value="Route"/>
    </bean>

    <camelContext xmlns="http://camel.apache.org/schema/spring">
        <route id="myRoute" routePolicyRef="myRoutePolicy">
            <from uri="seda:foo?concurrentConsumers=20"/>
            <to uri="log:foo?groupSize=10"/>
            <to uri="mock:result"/>
        </route>
    </camelContext>
    <!-- END SNIPPET: e1 -->

</beans>