Mergeable (presto-main 345 API)

All Known Implementing Classes:

ExchangeClientStatus, HashCollisionPlanNodeStats, HashCollisionsInfo, JoinOperatorInfo, LocalExchangeBufferInfo, PartitionedOutputOperator.PartitionedOutputInfo, PlanNodeStats, TableWriterOperator.TableWriterInfo, WindowInfo, WindowPlanNodeStats
```
public interface Mergeable<T>
```

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`static <T extends Mergeable<T>> Optional<T>`	`merge(Optional<T> first, Optional<T> second)`
`T`	`mergeWith(T other)`	Merges the current state with the state of the other instance, and returns the merged state.

Method Detail

mergeWith
```
T mergeWith(T other)
```
Merges the current state with the state of the other instance, and returns the merged state.

Throws:

NullPointerException - if other is null

merge

static <T extends Mergeable<T>> Optional<T> merge(Optional<T> first,
                                                  Optional<T> second)