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| Interface Summary | |
|---|---|
| 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 | |
|---|---|
| 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 PTypes 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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