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## org.apache.uima.flow
Class SimpleStep

    java.lang.Object
      org.apache.uima.flow.Step
          org.apache.uima.flow.SimpleStep

Direct Known Subclasses:
  SimpleStepWithResultSpec

    public class SimpleStep

extends Step

Indicates that a CAS should be routed to a single AnalysisEngine. After it has been processed, the `Flow.next()` method will be called again to determine the next destination for the CAS.

Constructor Summary
`SimpleStep(String aCasProcessorKey)` Creates a new SimpleStep

Method Summary
`String` | `getAnalysisEngineKey()` Gets the key of the Analysis Engine to which the CAS should be routed.
`void` | `setAnalysisEngineKey(String aKey)` Sets the key of the Analysis Engine to which the CAS should be routed.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### SimpleStep

    public SimpleStep(String aCasProcessorKey)

  Creates a new SimpleStep

  Parameters:
    `aAnalysisEngineKey` - The key of the Analysis Engine to which the CAS should be routed. This must be one of the keys in the FlowController's `FlowControllerContext.getAnalysisEngineMetaDataMap()`.

Method Detail

### getAnalysisEngineKey

    public String getAnalysisEngineKey()

  Gets the key of the Analysis Engine to which the CAS should be routed.

  Returns:
    an AnalysisEngine key

### setAnalysisEngineKey

    public void setAnalysisEngineKey(String aKey)

  Sets the key of the Analysis Engine to which the CAS should be routed. By using this method, a user's Flow implementation can (but is not required to) reuse the same SimpleStep object multiple times.

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Copyright © 2007 The Apache Software Foundation. All Rights Reserved.