org.helidb.util.bplus
Class BPlusTree.BPlusTreeNodeIterator

java.lang.Object
  org.helidb.util.bplus.BPlusTree.BPlusTreeNodeIterator

All Implemented Interfaces:

Iterator<BPlusTreeLeafNode<K,V>>

Enclosing class:

BPlusTree<K,V>

protected class BPlusTree.BPlusTreeNodeIterator
extends Object
implements Iterator<BPlusTreeLeafNode<K,V>>

This is an Iterator over the B+ Tree's leaf nodes. It may be used by subclasses to process nodes.

Since:

1.0

Author:

Karl Gustafsson

Constructor Summary

BPlusTree.BPlusTreeNodeIterator()
Create a new iterator.

Method Summary

boolean	hasNext()
BPlusTreeLeafNode<K,V>	next()
void	remove()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BPlusTree.BPlusTreeNodeIterator

public BPlusTree.BPlusTreeNodeIterator()
                                throws UnsupportedOperationException

Create a new iterator.

Throws:

UnsupportedOperationException - If the B+ Tree does not support iteration.

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<BPlusTreeLeafNode<K,V>>

next

public BPlusTreeLeafNode<K,V> next()

Specified by:

next in interface Iterator<BPlusTreeLeafNode<K,V>>

remove

public void remove()
            throws UnsupportedOperationException

Specified by:

remove in interface Iterator<BPlusTreeLeafNode<K,V>>

Throws:

UnsupportedOperationException - Always.