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

<gateway id="cafe" service-interface="org.springframework.integration.samples.cafe.Cafe"/>

<!-- each order has a collection of order items that is split apart to be processed -->
<channel id="orders"/>
<splitter input-channel="orders" expression="payload.items" output-channel="drinks"/>

<!-- The router sends different drink orders on different paths -->
<channel id="drinks"/>
<router input-channel="drinks" expression="payload.iced ? 'coldDrinks' : 'hotDrinks'"/>

<!-- individual order items are processed by the barista -->
<channel id="coldDrinks">
<queue capacity="10"/>
</channel>
<service-activator input-channel="coldDrinks" ref="barista" method="prepareColdDrink" output-channel="preparedDrinks"/>

<!-- individual order items are processed by the barista -->
<channel id="hotDrinks">
<queue capacity="10"/>
</channel>
<service-activator input-channel="hotDrinks" ref="barista" method="prepareHotDrink" output-channel="preparedDrinks"/>

<!-- drink order items are aggregated in a call to the waiter -->
    <channel id="preparedDrinks"/>
    <aggregator input-channel="preparedDrinks" method="prepareDelivery" output-channel="deliveries">
     <beans:bean class="org.springframework.integration.samples.cafe.xml.Waiter"/>
    </aggregator>

<stream:stdout-channel-adapter id="deliveries"/>

<beans:bean id="barista" class="org.springframework.integration.samples.cafe.xml.Barista"/>

<poller id="poller" default="true" fixed-delay="1000"/>

</beans:beans>
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