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Interface Summary | |
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Converter<K,V,S,T> | Converts the input key/value from a MapReduce task into the input to a
DoFn , or takes the output of a DoFn and write it to the
output key/values. |
DeepCopier<T> | Performs deep copies of values. |
PTableType<K,V> | An extension of PType specifically for PTable objects. |
PType<T> | A PType defines a mapping between a data type that is used in a
Crunch pipeline and a serialization and storage format that is used to
read/write data from/to HDFS. |
PTypeFamily | An abstract factory for creating PType instances that have the same
serialization/storage backing format. |
Class Summary | |
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CollectionDeepCopier<T> | Performs deep copies (based on underlying PType deep copying) of Collections. |
DeepCopier.NoOpDeepCopier<V> | |
MapDeepCopier<T> | |
PGroupedTableType<K,V> | The PType instance for PGroupedTable instances. |
PGroupedTableType.PairIterableMapFn<K,V> | |
PTypeUtils | Utilities for converting between PType s from different
PTypeFamily implementations. |
TupleDeepCopier<T extends Tuple> | Performs deep copies (based on underlying PType deep copying) of Tuple-based objects. |
TupleFactory<T extends Tuple> |
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