IncrementalHashCodeProvider (EfficientStorage)

All Superinterfaces:

HashCodeProvider

All Known Implementing Classes:

AdHashHashCodeProvider
```
public interface IncrementalHashCodeProvider
extends HashCodeProvider
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`updateHash(int oldHash, int idx, int oldVal, int newVal)`	Updates the old hash value and returns the new one, assuming that the value at index idx was changed from oldVal to newVal.
`int`	`updateHash(int oldHash, int idx, short oldVal, short newVal)`	Updates the old hash value and returns the new one, assuming that the value at index idx was changed from oldVal to newVal.

Methods inherited from interface nl.tue.storage.hashing.HashCodeProvider
hash, hash, hash

- Method Detail
  - updateHash
```
int updateHash(int oldHash,
               int idx,
               short oldVal,
               short newVal)
```
    Updates the old hash value and returns the new one, assuming that the value at index idx was changed from oldVal to newVal. Note that idx should be an index into the concatenation of the arrays previously provided in the call to hash().
    
    Parameters:
    
    oldHash -
    
    idx -
    
    oldVal -
    
    newVal -
    
    Returns:
  - updateHash
```
int updateHash(int oldHash,
               int idx,
               int oldVal,
               int newVal)
```
    Updates the old hash value and returns the new one, assuming that the value at index idx was changed from oldVal to newVal. Note that idx should be an index into the concatenation of the arrays previously provided in the call to hash().
    
    Parameters:
    
    oldHash -
    
    idx -
    
    oldVal -
    
    newVal -
    
    Returns: