org.apache.pig.data
Interfaces 
DataBag
Tuple
Classes 
AccumulativeBag
AmendableTuple
BagFactory
DataByteArray
DataReaderWriter
DataType
DefaultAbstractBag
DefaultAbstractBag.BagDelimiterTuple
DefaultAbstractBag.EndBag
DefaultAbstractBag.StartBag
DefaultBagFactory
DefaultDataBag
DefaultTuple
DefaultTupleFactory
DistinctDataBag
InternalCachedBag
InternalDistinctBag
InternalMap
InternalSortedBag
NonSpillableDataBag
ReadOnceBag
SingleTupleBag
SortedDataBag
TargetedTuple
TimestampedTuple
TupleFactory