<workflow xmlns="http://taverna.sf.net/2008/xml/t2flow"><dataflow id="23f84bb1-4a04-47fa-8150-7063310db697" role="top"><name>nested_iteration</name><inputPorts /><outputPorts><port><name>concat</name></port><port><name>list</name></port><port><name>constant</name></port></outputPorts><processors><processor><name>constant</name><inputPorts /><outputPorts><port><name>value</name><depth>0</depth><granularDepth>0</granularDepth></port></outputPorts><annotations /><activities><activity><raven><group>net.sf.taverna.t2</group><artifact>stringconstant-activity</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.activities.stringconstant.StringConstantActivity</class><inputMap /><outputMap><map from="value" to="value" /></outputMap><configBean encoding="xstream"><net.sf.taverna.t2.activities.stringconstant.StringConstantConfigurationBean xmlns="">
  <value>constant</value>
</net.sf.taverna.t2.activities.stringconstant.StringConstantConfigurationBean></configBean></activity></activities><dispatchStack><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize</class><configBean encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig xmlns="">
  <maxJobs>1</maxJobs>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ErrorBounce</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Failover</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Retry</class><configBean encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig xmlns="">
  <backoffFactor>1.0</backoffFactor>
  <initialDelay>0</initialDelay>
  <maxDelay>0</maxDelay>
  <maxRetries>0</maxRetries>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer></dispatchStack><iterationStrategyStack><iteration><strategy><cross /></strategy></iteration></iterationStrategyStack></processor><processor><name>generate_list</name><inputPorts><port><name>prefix</name><depth>0</depth></port></inputPorts><outputPorts><port><name>list</name><depth>1</depth><granularDepth>1</granularDepth></port></outputPorts><annotations /><activities><activity><raven><group>net.sf.taverna.t2</group><artifact>beanshell-activity</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.activities.beanshell.BeanshellActivity</class><inputMap><map from="prefix" to="prefix" /></inputMap><outputMap><map from="list" to="list" /></outputMap><configBean encoding="xstream"><net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean xmlns="">
  <script>list = new ArrayList();
for (int i = 0; i &lt; 20; i++) {
 list.add(prefix + i);
}</script>
  <dependencies />
  <inputs>
    <net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
      <handledReferenceSchemes />
      <translatedElementType>java.lang.String</translatedElementType>
      <allowsLiteralValues>true</allowsLiteralValues>
      <name>prefix</name>
      <depth>0</depth>
      <mimeTypes>
        <string>'text/plain'</string>
      </mimeTypes>
    </net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
  </inputs>
  <outputs>
    <net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
      <granularDepth>1</granularDepth>
      <name>list</name>
      <depth>1</depth>
      <mimeTypes>
        <string>l('text/plain')</string>
      </mimeTypes>
    </net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
  </outputs>
</net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean></configBean></activity></activities><dispatchStack><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize</class><configBean encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig xmlns="">
  <maxJobs>1</maxJobs>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ErrorBounce</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Failover</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Retry</class><configBean encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig xmlns="">
  <backoffFactor>1.0</backoffFactor>
  <initialDelay>0</initialDelay>
  <maxDelay>0</maxDelay>
  <maxRetries>0</maxRetries>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer></dispatchStack><iterationStrategyStack><iteration><strategy><port name="prefix" depth="0" /></strategy></iteration></iterationStrategyStack></processor><processor><name>merge</name><inputPorts><port><name>in1</name><depth>0</depth></port><port><name>in2</name><depth>0</depth></port></inputPorts><outputPorts><port><name>out</name><depth>0</depth><granularDepth>0</granularDepth></port></outputPorts><annotations /><activities><activity><raven><group>net.sf.taverna.t2</group><artifact>dataflow-activity</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.activities.dataflow.DataflowActivity</class><inputMap><map from="in2" to="in2" /><map from="in1" to="in1" /></inputMap><outputMap><map from="out" to="out" /></outputMap><configBean encoding="dataflow"><dataflow ref="79ad4092-abcb-42bf-ac98-d66dfac67dff" /></configBean></activity></activities><dispatchStack><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize</class><configBean encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig xmlns="">
  <maxJobs>1</maxJobs>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ErrorBounce</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Failover</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Retry</class><configBean encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig xmlns="">
  <backoffFactor>1.0</backoffFactor>
  <initialDelay>0</initialDelay>
  <maxDelay>0</maxDelay>
  <maxRetries>0</maxRetries>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer></dispatchStack><iterationStrategyStack><iteration><strategy><cross><port name="in1" depth="0" /><port name="in2" depth="0" /></cross></strategy></iteration></iterationStrategyStack></processor><processor><name>generate_list_prefix_defaultValue</name><inputPorts /><outputPorts><port><name>value</name><depth>0</depth><granularDepth>0</granularDepth></port></outputPorts><annotations /><activities><activity><raven><group>net.sf.taverna.t2</group><artifact>stringconstant-activity</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.activities.stringconstant.StringConstantActivity</class><inputMap /><outputMap><map from="value" to="value" /></outputMap><configBean encoding="xstream"><net.sf.taverna.t2.activities.stringconstant.StringConstantConfigurationBean xmlns="">
  <value>prefix</value>
</net.sf.taverna.t2.activities.stringconstant.StringConstantConfigurationBean></configBean></activity></activities><dispatchStack><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize</class><configBean encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig xmlns="">
  <maxJobs>1</maxJobs>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ErrorBounce</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Failover</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Retry</class><configBean encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig xmlns="">
  <backoffFactor>1.0</backoffFactor>
  <initialDelay>0</initialDelay>
  <maxDelay>0</maxDelay>
  <maxRetries>0</maxRetries>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer></dispatchStack><iterationStrategyStack><iteration><strategy><cross /></strategy></iteration></iterationStrategyStack></processor></processors><conditions><condition control="generate_list" target="constant" /></conditions><datalinks><datalink><sink type="processor"><processor>generate_list</processor><port>prefix</port></sink><source type="processor"><processor>generate_list_prefix_defaultValue</processor><port>value</port></source></datalink><datalink><sink type="processor"><processor>merge</processor><port>in1</port></sink><source type="processor"><processor>constant</processor><port>value</port></source></datalink><datalink><sink type="merge"><processor>merge</processor><port>in2</port></sink><source type="processor"><processor>generate_list</processor><port>list</port></source></datalink><datalink><sink type="merge"><processor>merge</processor><port>in2</port></sink><source type="processor"><processor>generate_list</processor><port>list</port></source></datalink><datalink><sink type="dataflow"><port>concat</port></sink><source type="processor"><processor>merge</processor><port>out</port></source></datalink><datalink><sink type="dataflow"><port>list</port></sink><source type="processor"><processor>generate_list</processor><port>list</port></source></datalink><datalink><sink type="dataflow"><port>constant</port></sink><source type="processor"><processor>constant</processor><port>value</port></source></datalink></datalinks></dataflow><dataflow id="79ad4092-abcb-42bf-ac98-d66dfac67dff" role="nested"><name>Untitled workflow #24</name><inputPorts><port><name>in1</name><depth>0</depth><granularDepth>0</granularDepth></port><port><name>in2</name><depth>0</depth><granularDepth>0</granularDepth></port></inputPorts><outputPorts><port><name>out</name></port></outputPorts><processors><processor><name>Nested_Workflow</name><inputPorts><port><name>in2</name><depth>0</depth></port><port><name>in1</name><depth>0</depth></port></inputPorts><outputPorts><port><name>out</name><depth>0</depth><granularDepth>0</granularDepth></port></outputPorts><annotations /><activities><activity><raven><group>net.sf.taverna.t2</group><artifact>dataflow-activity</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.activities.dataflow.DataflowActivity</class><inputMap><map from="in2" to="in2" /><map from="in1" to="in1" /></inputMap><outputMap><map from="out" to="out" /></outputMap><configBean encoding="dataflow"><dataflow ref="ebd93027-c046-4a04-befa-c5715e8ba3da" /></configBean></activity></activities><dispatchStack><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize</class><configBean encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig xmlns="">
  <maxJobs>1</maxJobs>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ErrorBounce</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Failover</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Retry</class><configBean encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig xmlns="">
  <backoffFactor>1.0</backoffFactor>
  <initialDelay>0</initialDelay>
  <maxDelay>0</maxDelay>
  <maxRetries>0</maxRetries>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer></dispatchStack><iterationStrategyStack><iteration><strategy><cross><port name="in1" depth="0" /><port name="in2" depth="0" /></cross></strategy></iteration></iterationStrategyStack></processor></processors><conditions /><datalinks><datalink><sink type="processor"><processor>Nested_Workflow</processor><port>in2</port></sink><source type="dataflow"><port>in2</port></source></datalink><datalink><sink type="processor"><processor>Nested_Workflow</processor><port>in1</port></sink><source type="dataflow"><port>in1</port></source></datalink><datalink><sink type="dataflow"><port>out</port></sink><source type="processor"><processor>Nested_Workflow</processor><port>out</port></source></datalink></datalinks></dataflow><dataflow id="ebd93027-c046-4a04-befa-c5715e8ba3da" role="nested"><name>Untitled workflow #36</name><inputPorts><port><name>in1</name><depth>0</depth><granularDepth>0</granularDepth></port><port><name>in2</name><depth>0</depth><granularDepth>0</granularDepth></port></inputPorts><outputPorts><port><name>out</name></port></outputPorts><processors><processor><name>concat</name><inputPorts><port><name>in1</name><depth>0</depth></port><port><name>in2</name><depth>0</depth></port></inputPorts><outputPorts><port><name>out</name><depth>0</depth><granularDepth>0</granularDepth></port></outputPorts><annotations /><activities><activity><raven><group>net.sf.taverna.t2</group><artifact>beanshell-activity</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.activities.beanshell.BeanshellActivity</class><inputMap><map from="in2" to="in2" /><map from="in1" to="in1" /></inputMap><outputMap><map from="out" to="out" /></outputMap><configBean encoding="xstream"><net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean xmlns="">
  <script>Thread.sleep(200);
out = in1 + in2;</script>
  <dependencies />
  <inputs>
    <net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
      <handledReferenceSchemes />
      <translatedElementType>java.lang.String</translatedElementType>
      <allowsLiteralValues>true</allowsLiteralValues>
      <name>in1</name>
      <depth>0</depth>
      <mimeTypes>
        <string>'text/plain'</string>
      </mimeTypes>
    </net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
    <net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
      <handledReferenceSchemes />
      <translatedElementType>java.lang.String</translatedElementType>
      <allowsLiteralValues>true</allowsLiteralValues>
      <name>in2</name>
      <depth>0</depth>
      <mimeTypes>
        <string>'text/plain'</string>
      </mimeTypes>
    </net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityInputPortDefinitionBean>
  </inputs>
  <outputs>
    <net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
      <granularDepth>0</granularDepth>
      <name>out</name>
      <depth>0</depth>
      <mimeTypes>
        <string>'text/plain'</string>
      </mimeTypes>
    </net.sf.taverna.t2.workflowmodel.processor.activity.config.ActivityOutputPortDefinitionBean>
  </outputs>
</net.sf.taverna.t2.activities.beanshell.BeanshellActivityConfigurationBean></configBean></activity></activities><dispatchStack><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize</class><configBean encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig xmlns="">
  <maxJobs>1</maxJobs>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ParallelizeConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.ErrorBounce</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Failover</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Retry</class><configBean encoding="xstream"><net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig xmlns="">
  <backoffFactor>1.0</backoffFactor>
  <initialDelay>0</initialDelay>
  <maxDelay>0</maxDelay>
  <maxRetries>0</maxRetries>
</net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.RetryConfig></configBean></dispatchLayer><dispatchLayer><raven><group>net.sf.taverna.t2</group><artifact>workflowmodel-impl</artifact><version>0.3-SNAPSHOT</version></raven><class>net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke</class><configBean encoding="xstream"><null xmlns="" /></configBean></dispatchLayer></dispatchStack><iterationStrategyStack><iteration><strategy><cross><port name="in1" depth="0" /><port name="in2" depth="0" /></cross></strategy></iteration></iterationStrategyStack></processor></processors><conditions /><datalinks><datalink><sink type="processor"><processor>concat</processor><port>in1</port></sink><source type="dataflow"><port>in1</port></source></datalink><datalink><sink type="processor"><processor>concat</processor><port>in2</port></sink><source type="dataflow"><port>in2</port></source></datalink><datalink><sink type="dataflow"><port>out</port></sink><source type="processor"><processor>concat</processor><port>out</port></source></datalink></datalinks></dataflow></workflow>