java.lang.Object
- it.unimi.di.big.mg4j.index.BitStreamHPIndexWriter.TowerData

Enclosing class:

BitStreamHPIndexWriter
```
public static class BitStreamHPIndexWriter.TowerData
extends Object
```
A structure maintaining statistical data about tower construction.

Field Summary

Fields
Modifier and Type	Field	Description
`long`	`bitsForLowerBitSkips`	The number of bits written for bit skips in the lower part of a tower.
`long`	`bitsForLowerPositionsBitSkips`	The number of bits written for positions bit skips in the lower part of a tower.
`long`	`bitsForLowerSkipPointers`	The number of bits written for skip pointers in the lower part of a tower.
`long`	`bitsForTopBitSkips`	The number of bits written for bit skips at the top of a tower.
`long`	`bitsForTopPositionsBitSkips`	The number of bits written for positions bit skips at the top of a tower.
`long`	`bitsForTopSkipPointers`	The number of bits written for skip pointers at the top of a tower.
`long`	`bitsForTowerLengths`	The number of bits written for tower lengths.
`long`	`numberOfLowerEntries`	The number of written lower skip entries.
`long`	`numberOfSkipTowers`	The number of written skip towers.
`long`	`numberOfTopEntries`	The number of written top skip entries.

Constructor Summary

Constructors
Constructor Description

TowerData()

Method Summary

Modifier and Type	Method	Description
`long`	`bitsForBitSkips()`	Returns the overall number of bits used for bit skips.
`long`	`bitsForEntries()`	Returns the overall number of bits used for tower entries (bits for tower lengths are not included).
`long`	`bitsForPositionsBitSkips()`	Returns the overall number of bits used for bit skips.
`long`	`bitsForSkipPointers()`	Returns the overall number of bits used for skip pointers.
`long`	`bitsForTowers()`	Returns the overall number of bits used for towers.
`long`	`numberOfEntries()`	Returns the overall number of entries.

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

- Field Detail
  - bitsForTopBitSkips
```
public long bitsForTopBitSkips
```
    The number of bits written for bit skips at the top of a tower.
  - bitsForTopPositionsBitSkips
```
public long bitsForTopPositionsBitSkips
```
    The number of bits written for positions bit skips at the top of a tower.
  - bitsForTopSkipPointers
```
public long bitsForTopSkipPointers
```
    The number of bits written for skip pointers at the top of a tower.
  - bitsForLowerBitSkips
```
public long bitsForLowerBitSkips
```
    The number of bits written for bit skips in the lower part of a tower.
  - bitsForLowerPositionsBitSkips
```
public long bitsForLowerPositionsBitSkips
```
    The number of bits written for positions bit skips in the lower part of a tower.
  - bitsForLowerSkipPointers
```
public long bitsForLowerSkipPointers
```
    The number of bits written for skip pointers in the lower part of a tower.
  - bitsForTowerLengths
```
public long bitsForTowerLengths
```
    The number of bits written for tower lengths.
  - numberOfSkipTowers
```
public long numberOfSkipTowers
```
    The number of written skip towers.
  - numberOfTopEntries
```
public long numberOfTopEntries
```
    The number of written top skip entries.
  - numberOfLowerEntries
```
public long numberOfLowerEntries
```
    The number of written lower skip entries.
- Constructor Detail
  - TowerData
```
public TowerData()
```
- Method Detail
  - bitsForSkipPointers
```
public long bitsForSkipPointers()
```
    Returns the overall number of bits used for skip pointers.
    
    Returns:
    
    the overall number of bits used for skip pointers.
  - bitsForBitSkips
```
public long bitsForBitSkips()
```
    Returns the overall number of bits used for bit skips.
    
    Returns:
    
    the overall number of bits used for bit skips.
  - bitsForPositionsBitSkips
```
public long bitsForPositionsBitSkips()
```
    Returns the overall number of bits used for bit skips.
    
    Returns:
    
    the overall number of bits used for bit skips.
  - bitsForEntries
```
public long bitsForEntries()
```
    Returns the overall number of bits used for tower entries (bits for tower lengths are not included).
    
    Returns:
    
    the overall number of bits used for tower entries.
  - bitsForTowers
```
public long bitsForTowers()
```
    Returns the overall number of bits used for towers.
    
    Returns:
    
    the overall number of bits used for towers.
  - numberOfEntries
```
public long numberOfEntries()
```
    Returns the overall number of entries.
    
    Returns:
    
    the overall number of entries.

Class BitStreamHPIndexWriter.TowerData

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

bitsForTopBitSkips

bitsForTopPositionsBitSkips

bitsForTopSkipPointers

bitsForLowerBitSkips

bitsForLowerPositionsBitSkips

bitsForLowerSkipPointers

bitsForTowerLengths

numberOfSkipTowers

numberOfTopEntries

numberOfLowerEntries

Constructor Detail

TowerData

Method Detail

bitsForSkipPointers

bitsForBitSkips

bitsForPositionsBitSkips

bitsForEntries

bitsForTowers

numberOfEntries