EOAdaptorChannel

EOAdaptorChannel provides many default method implementations that are sufficient for concrete subclasses:

• - adaptorContext
• - delegate
• - deleteRowDescribedByQualifier:entity:
• - isDebugEnabled
• - lockRowComparingAttributes:entity:qualifier:snapshot:
• - performAdaptorOperation:
• - performAdaptorOperations:
• - updateValues:inRowDescribedByQualifier:entity:

The following methods establish structure and conventions that other Enterprise Objects Framework classes depend on and should be overridden with caution:

• - dictionaryWithObjects:forAttributes:zone:
• - initWithAdaptorContext:
• - setDebugEnabled:
• - setDelegate:

If you override any of the above methods, your implementations should incorporate the superclass's implementation through a message to super.

The remaining EOAdaptorChannel methods must be overridden by concrete subclasses in terms of the persistent storage system with which it interacts:

• - attributesToFetch
• - cancelFetch
• - closeChannel
• - deleteRowsDescribedByQualifier:entity:
• - describeModelWithTableNames:
• - describeResults
• - describeStoredProcedureNames
• - describeTableNames
• - evaluateExpression:
• - executeStoredProcedure:withValues:
• - fetchRowWithZone:
• - insertRow:forEntity:
• - isFetchInProgress
• - isOpen
• - openChannel
• - primaryKeyForNewRowWithEntity:
• - returnValuesForLastStoredProcedureInvocation
• - selectAttributes:fetchSpecification:lock:entity:
• - setAttributesToFetch:
• - updateValues:inRowsDescribedByQualifier:entity: