org.apache.uima.flow

## Interface FlowControllerContext

- All Superinterfaces:
    UimaContext
  All Known Implementing Classes:
    FlowControllerContext_impl

      public interface FlowControllerContext
      extends UimaContext

  A subtype of `UimaContext` used by `FlowController` components. In addition to access to resources and configuration settings (provided by `UimaContext`), the `FlowControllerContext` provides access to other information that the FlowController can use to make routing decisions. This includes:
  - A map from AnalysisEngine key to AnalysisEngineMetaData for all AnalysisEngines that the FlowController can route CASes to
  - Declared Capabilities of the Aggregate AnalysisEngine containing this FlowController.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `AnalysisEngineMetaData` | `getAggregateMetadata()` Gets the metadata of the Aggregate AnalysisEngine containing this FlowController.
    `Map<String,AnalysisEngineMetaData>` | `getAnalysisEngineMetaDataMap()` Gets a map from Analysis Engine key (a String) to `AnalysisEngineMetaData`.

    - ### Methods inherited from interface org.apache.uima.UimaContext

      `getConfigParameterNames, getConfigParameterNames, getConfigParameterValue, getConfigParameterValue, getConfigurationGroupNames, getDataPath, getEmptyCas, getExternalOverrides, getInstrumentationFacility, getLogger, getResourceAsStream, getResourceAsStream, getResourceFilePath, getResourceFilePath, getResourceObject, getResourceObject, getResourceURI, getResourceURI, getResourceURL, getResourceURL, getSession, getSharedSettingArray, getSharedSettingNames, getSharedSettingValue, getSofaMappings, mapSofaIDToComponentSofaName, mapToSofaID`

- - ### Method Detail

    - #### getAnalysisEngineMetaDataMap

          Map<String,AnalysisEngineMetaData> getAnalysisEngineMetaDataMap()

      Gets a map from Analysis Engine key (a String) to `AnalysisEngineMetaData`. This map contains an entry for all Analysis Engines to which the FlowController can route CASes.
      Returns:
        a map with `String` keys, and `AnalysisEngineMetaData` values

    - #### getAggregateMetadata

          AnalysisEngineMetaData getAggregateMetadata()

      Gets the metadata of the Aggregate AnalysisEngine containing this FlowController. This includes the specification of the inputs and outputs of the aggregate, which may be useful for some FlowController implementations.
      Returns:
        the Capabilities of the aggregate containing this FlowController.

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