PValues (core 2.44.0 API)

java.lang.Object
- org.apache.beam.sdk.values.PValues

```
@Internal
public class PValues
extends java.lang.Object
```
For internal use. No backwards compatibility guarantees.
A primitive value within Beam.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static java.util.Map<TupleTag<?>,PCollection<?>>`	`expandInput(PInput input)`
`static java.util.Map<TupleTag<?>,PCollection<?>>`	`expandOutput(POutput output)`
`static java.util.Map<TupleTag<?>,PCollection<?>>`	`expandValue(PValue value)`
`static java.util.Map<TupleTag<?>,PCollection<?>>`	`fullyExpand(java.util.Map<TupleTag<?>,PValue> partiallyExpanded)`	Returns all the tagged `PCollections` represented in the given `PValue`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - fullyExpand
```
public static java.util.Map<TupleTag<?>,PCollection<?>> fullyExpand(java.util.Map<TupleTag<?>,PValue> partiallyExpanded)
```
    Returns all the tagged PCollections represented in the given PValue.
    For backwards-compatibility, PCollectionView is still a "PValue" to users, which occurs in only these places:
    
    POutput.expand() (users can write custom POutputs)
    PInput.expand() (users can write custom PInputs)
    PTransform.getAdditionalInputs() (users can have their composites report inputs not passed by PCollection.apply(org.apache.beam.sdk.transforms.PTransform<? super org.apache.beam.sdk.values.PCollection<T>, OutputT>))
    
    These all return Map<TupleTag<?> PValue>. A user's implementation of these methods is permitted to return either a PCollection or a PCollectionView for each PValue. PCollection's expand to themselves and PCollectionView expands to the PCollection that it is a view of.
  - expandOutput
```
public static java.util.Map<TupleTag<?>,PCollection<?>> expandOutput(POutput output)
```
  - expandInput
```
public static java.util.Map<TupleTag<?>,PCollection<?>> expandInput(PInput input)
```
  - expandValue
```
public static java.util.Map<TupleTag<?>,PCollection<?>> expandValue(PValue value)
```