# Package org.apache.uima.collection.base_cpm

- Interface Summary
  Interface | Description
  --- | ---
  BaseCollectionReader | The Base `CollectionReader` interface.
  BaseCPM | The Base CPM interface is a lower-level interface to the Collection Processing Manager.
  BaseStatusCallbackListener | Interface for a Listener that receives notification from the `BaseCPM` as various events occur.
  CasDataCollectionReader | A `CasDataCollectionReader` is used to iterate over the elements of a Collection.
  CasDataConsumer | Any component that operates on analysis results produced by a UIMA CasDataProcessor.
  CasDataInitializer | Deprecated As of v2.0, CAS Initializers are deprecated.
  CasDataProcessor | Interface for CAS processors that want to interact directly with the `CasData`.
  CasDataStatusCallbackListener | Interface for a Listener that receives notification from the `CollectionProcessingManager` as various events occur.
  CasObjectProcessor | Interface for CAS Processors that want to use the full `CAS` implementation.
  CasProcessor | Base interface for a component that can process a CAS.
  RecoverableCollectionReader | Interface facilitating CollectionReader recovery from failures.
  SynchPoint | Interface facilitating recovery of CollectionReaders to the last known entity

- Class Summary
  Class | Description
  --- | ---
  CasDataCollectionReader_ImplBase | Base class from which to extend when writing Collection Readers that use the `CasData` interface to access the CAS.
  CasDataConsumer_ImplBase | Base class from which to extend when writing CAS Consumers that use the `CasData` interface to access the CAS.
  CasDataInitializer_ImplBase | Deprecated As of v2.0, CAS Initializers are deprecated.

- Exception Summary
  Exception | Description
  --- | ---
  AbortCasProcessorException | Exception to notify the CPM to disable a Cas Processor.
  AbortCPMException | /** Exception to notify the CPM to terminate itself.
  SkipCasException | Exception to notify the CPM to skip a Cas Processor for the current CAS.

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