org.apache.uima.collection

## Interface CasInitializer

- All Superinterfaces:
    ConfigurableResource, Resource
  All Known Implementing Classes:
    CasInitializer_ImplBase

  Deprecated.
  As of v2.0, CAS Initializers are deprecated. A component that performs an operation like HTML detagging should instead be implemented as a "multi-Sofa" annotator. See org.apache.uima.examples.XmlDetagger for an example.

      @Deprecated
      public interface CasInitializer
      extends ConfigurableResource

  A component that takes an Object and initializes a `CAS`.

  CAS Initializers may be used by some `CollectionReader` implementations.

- - ### Field Summary

    - ### Fields inherited from interface org.apache.uima.resource.Resource

      `PARAM_AGGREGATE_SOFA_MAPPINGS, PARAM_CONFIG_MANAGER, PARAM_CONFIG_PARAM_SETTINGS, PARAM_EXTERNAL_OVERRIDE_SETTINGS, PARAM_PERFORMANCE_TUNING_SETTINGS, PARAM_RESOURCE_MANAGER, PARAM_UIMA_CONTEXT`

  - ### Method Summary

    All Methods Instance Methods Abstract Methods Deprecated Methods
    Modifier and Type | Method and Description
    --- | ---
    `ProcessingResourceMetaData` | `getProcessingResourceMetaData()` Deprecated. Gets the metadata that describes this `CasInitializer`.
    `void` | `initializeCas(Object aObj, CAS aCAS)` Deprecated. Reads content and metadata from an Object and initializes a `CAS`.
    `void` | `typeSystemInit(TypeSystem aTypeSystem)` Deprecated. Informs this CasInitializer that the CAS TypeSystem has changed.

    - ### Methods inherited from interface org.apache.uima.resource.ConfigurableResource

      `getConfigParameterValue, getConfigParameterValue, reconfigure, setConfigParameterValue, setConfigParameterValue`

    - ### Methods inherited from interface org.apache.uima.resource.Resource

      `destroy, getLogger, getMetaData, getResourceManager, getUimaContext, getUimaContextAdmin, initialize, setLogger`

- - ### Method Detail

    - #### typeSystemInit

          void typeSystemInit(TypeSystem aTypeSystem)
                       throws ResourceInitializationException

      Deprecated.
      Informs this CasInitializer that the CAS TypeSystem has changed. The CollectionReader must call this method whenever the CollectionReader's typeSystemInit() method is called.

      In this method, the CasInitializer should use the `TypeSystem` to resolve the names of Type and Features to the actual `Type` and `Feature` objects, which can then be used during processing.

      Parameters:
        `aTypeSystem` - the type system to use
      Throws:
        `ResourceInitializationException` - if the type system is not compatible with this CAS Initializer

    - #### initializeCas

          void initializeCas(Object aObj,
                             CAS aCAS)
                      throws CollectionException,
                             IOException

      Deprecated.
      Reads content and metadata from an Object and initializes a `CAS`.
      Parameters:
        `aObj` - the object to process
        `aCAS` - the CAS to populate
      Throws:
        `CollectionException` - if an error occurs during initialization of the CAS
        `IOException` - if an I/O failure occurs

    - #### getProcessingResourceMetaData

          ProcessingResourceMetaData getProcessingResourceMetaData()

      Deprecated.
      Gets the metadata that describes this `CasInitializer`.
      Returns:
        an object containing all metadata for this CasInitializer

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