DBNodeIter (BaseX Core 11.0 API)

java.lang.Object
- org.basex.query.iter.Iter
- - org.basex.query.iter.NodeIter
  - - org.basex.query.iter.BasicNodeIter
    - - org.basex.query.iter.DBNodeIter

All Implemented Interfaces:

Iterable<ANode>
```
public abstract class DBNodeIter
extends BasicNodeIter
```
Database node iterator.

Author:

BaseX Team 2005-24, BSD License, Christian Gruen

Field Summary

Fields
Modifier and Type Field Description

protected Data data
Data reference.
- Fields inherited from class org.basex.query.iter.BasicNodeIter
  EMPTY

Constructor Summary

Constructors
Modifier Constructor Description

protected DBNodeIter(Data data)
Constructor.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract DBNode`	`next()`	Returns the next item.
`Value`	`value(QueryContext qc, Expr expr)`	Returns a value with all iterated items.

Methods inherited from class org.basex.query.iter.BasicNodeIter
iterator

Methods inherited from class org.basex.query.iter.NodeIter
get, size

Methods inherited from class org.basex.query.iter.Iter
valueIter

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

Methods inherited from interface java.lang.Iterable
forEach, spliterator

- Field Detail
  - data
```
protected final Data data
```
    Data reference.
- Constructor Detail
  - DBNodeIter
```
protected DBNodeIter(Data data)
```
    Constructor.
    
    Parameters:
    
    data - data reference
- Method Detail
  - next
```
public abstract DBNode next()
```
    Description copied from class: Iter
    
    Returns the next item.
    
    Specified by:
    
    next in class BasicNodeIter
    
    Returns:
    
    resulting item, or null if all items have been returned
  - value
```
public Value value(QueryContext qc,
                   Expr expr)
```
    Description copied from class: Iter
    
    Returns a value with all iterated items. This method should always be called before single items have been requested. Otherwise, it might not return all items.
    
    Overrides:
    
    value in class Iter
    
    Parameters:
    
    qc - query context
    
    expr - original expression (can be null; if assigned, type of result sequence will be refined)
    
    Returns:
    
    value