# Uses of Package
org.apache.uima.flow

- Packages that use org.apache.uima.flow
  Package | Description
  --- | ---
  org.apache.uima | The main package for the Unstructured Information Management Middleware Architecture.
  org.apache.uima.flow |
  org.apache.uima.util | Utility classes and interfaces used by UIMA components.

- Classes in org.apache.uima.flow used by org.apache.uima
  Class and Description
  FlowControllerDescription A `FlowControllerDescription` contains all of the information needed to instantiate and use a `FlowController`.

- Classes in org.apache.uima.flow used by org.apache.uima.flow
  Class and Description
  Flow A Flow object is responsible for routing a single CAS through an Aggregate Analysis Engine.
  FlowController FlowControllers are components that decide how to route CASes within Aggregate Analysis Engines.
  FlowController_ImplBase Implementation base class for FlowControllers.
  FlowControllerContext A subtype of `UimaContext` used by `FlowController` components.
  SimpleStep Indicates that a CAS should be routed to a single AnalysisEngine.
  Step Represents the next destination or destinations to which a CAS should be routed.

- Classes in org.apache.uima.flow used by org.apache.uima.util
  Class and Description
  FlowControllerDescription A `FlowControllerDescription` contains all of the information needed to instantiate and use a `FlowController`.

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