FairMQ/examples/MQ/3-dds/ex3-dds-topology.xml

<topology id="ExampleDDS">

    <property id="SamplerOutputAddress" />
    <property id="SinkInputAddress" />

    <declrequirement id="SamplerWorker">
        <hostPattern type="wnname" value="sampler"/>
    </declrequirement>

    <declrequirement id="ProcessorWorker">
        <hostPattern type="wnname" value="processor"/>
    </declrequirement>

    <declrequirement id="SinkWorker">
        <hostPattern type="wnname" value="sink"/>
    </declrequirement>

    <decltask id="Sampler">
        <exe reachable="true">@CMAKE_BINARY_DIR@/bin/ex3-sampler-dds --id sampler0 --log-color-format false</exe>
        <requirement>SamplerWorker</requirement>
        <properties>
            <id access="write">SamplerOutputAddress</id>
        </properties>
    </decltask>

    <decltask id="Processor">
        <exe reachable="true">@CMAKE_BINARY_DIR@/bin/ex3-processor-dds --id processor%taskIndex% --log-color-format false</exe>
        <requirement>ProcessorWorker</requirement>
        <properties>
            <id access="read">SamplerOutputAddress</id>
            <id access="read">SinkInputAddress</id>
        </properties>
    </decltask>

    <decltask id="Sink">
        <exe reachable="true">@CMAKE_BINARY_DIR@/bin/ex3-sink-dds --id sink0 --log-color-format false</exe>
        <requirement>SinkWorker</requirement>
        <properties>
            <id access="write">SinkInputAddress</id>
        </properties>
    </decltask>

    <main id="main">
        <task>Sampler</task>
        <task>Sink</task>
        <group id="ProcessorGroup" n="10">
            <task>Processor</task>
        </group>
    </main>

</topology>