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The Loan Broker example application is based on the example presented in the Enterprise Integration Patterns book. This chapter of the book is available online so you can see a detailed description of the application here (http://www.eaipatterns.com/ComposedMessagingWS.html).

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<?xml version="1.0" encoding="UTF-8"?>
<mule xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:spring="http://www.springframework.org/schema/beans" xmlns:vm="http://www.mulesoft.org/schema/mule/vm"
    xmlns:client="http://www.mulesoft.org/schema/mule/client"
    xmlns:pattern="http://www.mulesoft.org/schema/mule/pattern"
    xsi:schemaLocation="
                http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd
                http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd
                http://www.mulesoft.org/schema/mule/client http://www.mulesoft.org/schema/mule/client/current/mule-client.xsd
                http://www.mulesoft.org/schema/mule/pattern http://www.mulesoft.org/schema/mule/pattern/current/mule-pattern.xsd
                http://www.mulesoft.org/schema/mule/vm http://www.mulesoft.org/schema/mule/vm/current/mule-vm.xsd">

    <description>
        This loan broker example is modeled on the Enterprise integration Patterns book sample.
        This
        implementation differs in that this configuration uses a synchronous model where
        each component is
        invoked from the LoanBroker component.
     </description>

    <client:remote-dispatcher-agent>
        <client:remote-endpoint address="tcp://localhost:5555" exchange-pattern="request-response" />
    </client:remote-dispatcher-agent>

    <!-- Synchronous VM connector (messages are processed in the same execution thread) -->
    <vm:connector name="syncVm" />


    <flow name="loan-broker">
        <inbound-endpoint ref="CustomerRequests" exchange-pattern="request-response" />
        <component class="org.mule.example.loanbroker.esn.SynchronousLoanBroker">
            <binding interface="org.mule.example.loanbroker.credit.CreditAgencyService">
                <outbound-endpoint ref="CreditAgency" exchange-pattern="request-response" />
            </binding>
        </component>
        <component class="org.mule.example.loanbroker.lender.DefaultLender" />
        <expression-filter expression="payload.lenders.endpoint!=null" evaluator="groovy" />
        <request-reply timeout="10000">
            <recipient-list evaluator="groovy" expression="payload.lenders.endpoint"/>
            <inbound-endpoint ref="LoanBrokerQuotes">
                <custom-aggregator class="org.mule.example.loanbroker.routers.BankQuotesResponseAggregator" />
            </inbound-endpoint>
        </request-reply>
    </flow>

    <!--
     The credit agency service will get the credit profile for a customer
     -->
    <pattern:simple-service name="TheCreditAgencyService" endpoint-ref="CreditAgencyIn"
        component-class="org.mule.example.loanbroker.credit.DefaultCreditAgency" />

    <!--
        These are mock bank services that represent remote bank loan services One or more of these are
        selected by the LenderService and a request is routed to them. The lenderService outbound router also
        defines a replyTo property which will be used by Mule to route the responses back to the
        LoanBrokerQuotes destination
    -->

    <flow name="bank1flow">
        <inbound-endpoint ref="Bank1In" exchange-pattern="one-way"/>
        <component class="org.mule.example.loanbroker.bank.Bank"/>
        <outbound-endpoint ref="LoanBrokerQuotes" exchange-pattern="one-way"/>
    </flow>
    <flow name="bank2flow">
        <inbound-endpoint ref="Bank2In" exchange-pattern="one-way"/>
        <component class="org.mule.example.loanbroker.bank.Bank"/>
        <outbound-endpoint ref="LoanBrokerQuotes" exchange-pattern="one-way"/>
    </flow>
    <flow name="bank3flow">
        <inbound-endpoint ref="Bank3In" exchange-pattern="one-way"/>
        <component class="org.mule.example.loanbroker.bank.Bank"/>
        <outbound-endpoint ref="LoanBrokerQuotes" exchange-pattern="one-way"/>
    </flow>
    <flow name="bank4flow">
        <inbound-endpoint ref="Bank4In" exchange-pattern="one-way"/>
        <component class="org.mule.example.loanbroker.bank.Bank"/>
        <outbound-endpoint ref="LoanBrokerQuotes" exchange-pattern="one-way"/>
    </flow>
    <flow name="bank5flow">
        <inbound-endpoint ref="Bank5In" exchange-pattern="one-way"/>
        <component class="org.mule.example.loanbroker.bank.Bank"/>
        <outbound-endpoint ref="LoanBrokerQuotes" exchange-pattern="one-way"/>
    </flow>

</mule>