ValueIndex (BaseX Core 11.6 API)

java.lang.Object
- org.basex.index.value.ValueIndex

All Implemented Interfaces:

Index

Direct Known Subclasses:

DiskValues, FTIndex, MemValues
```
public abstract class ValueIndex
extends Object
implements Index
```
Index for texts, attribute values and full-texts.

Author:

BaseX Team 2005-24, BSD License, Christian Gruen

Field Summary

Fields
Modifier and Type Field Description

protected Data data
Data instance.

protected IndexType type
Index type.

Constructor Summary

Constructors
Modifier Constructor Description

protected ValueIndex(Data data, IndexType type)
Constructor, initializing the index structure.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`abstract void`	`add(ValueCache values)`	Add entries to the index.
`abstract void`	`delete(ValueCache values)`	Deletes entries from the index.
`abstract void`	`flush()`	Flushes the buffered data.
`abstract int`	`size()`	Returns the number of index entries.

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

Methods inherited from interface org.basex.index.Index
close, costs, drop, entries, info, iter

- Field Detail
  - type
```
protected final IndexType type
```
    Index type.
  - data
```
protected final Data data
```
    Data instance.
- Constructor Detail
  - ValueIndex
```
protected ValueIndex(Data data,
                     IndexType type)
```
    Constructor, initializing the index structure.
    
    Parameters:
    
    data - data reference
    
    type - index type
- Method Detail
  - size
```
public abstract int size()
```
    Returns the number of index entries.
    
    Returns:
    
    number of index entries
  - delete
```
public abstract void delete(ValueCache values)
```
    Deletes entries from the index.
    
    Parameters:
    
    values - value cache with [key, id-list] pairs
  - add
```
public abstract void add(ValueCache values)
```
    Add entries to the index.
    
    Parameters:
    
    values - value cache with [key, id-list] pairs
  - flush
```
public abstract void flush()
```
    Flushes the buffered data.