LookupSourceSupplier (presto-main 345 API)

All Superinterfaces:

Supplier<LookupSource>

All Known Implementing Classes:

JoinHashSupplier
```
public interface LookupSourceSupplier
extends Supplier<LookupSource>
```

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  long checksum()
  
  double getExpectedHashCollisions()
  
  long getHashCollisions()
  - Methods inherited from interface java.util.function.Supplier
    get

- Method Detail
  - getHashCollisions
```
long getHashCollisions()
```
  - getExpectedHashCollisions
```
double getExpectedHashCollisions()
```
  - checksum
```
long checksum()
```
    Returns:
    
    checksum of this entity for heuristic checking equivalence of two instances