| Interface | Description | 
|---|---|
| BaseCollectionReader | The Base  CollectionReaderinterface. | 
| 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  BaseCPMas various events
 occur. | 
| CasDataCollectionReader | A  CasDataCollectionReaderis 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
  CollectionProcessingManageras various events occur. | 
| CasObjectProcessor | Interface for CAS Processors that want to use the full  CASimplementation. | 
| 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 | Description | 
|---|---|
| CasDataCollectionReader_ImplBase | Base class from which to extend when writing Collection Readers that use the  CasDatainterface to access the CAS. | 
| CasDataConsumer_ImplBase | Base class from which to extend when writing CAS Consumers that use the  CasDatainterface
 to access the CAS. | 
| CasDataInitializer_ImplBase | Deprecated As of v2.0, CAS Initializers are deprecated. | 
| 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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