org.h2.dev.store.btree
Class ChangeCursor<K,V>

java.lang.Object
  org.h2.dev.store.btree.Cursor<K,V>
      org.h2.dev.store.btree.ChangeCursor<K,V>

Type Parameters:

K - the key type

V - the value type

All Implemented Interfaces:

java.util.Iterator<K>

public class ChangeCursor<K,V>
extends Cursor<K,V>

A cursor to iterate over all keys in new pages.

Field Summary

Fields inherited from class org.h2.dev.store.btree.Cursor

current, currentPos, map, parents

Method Summary

CursorPos	min(Page p, K from) Visit the first key that is greater or equal the given key.
CursorPos	visitChild(Page p, int childIndex) Visit the first key within this child page.

Methods inherited from class org.h2.dev.store.btree.Cursor

fetchNext, hasNext, next, pop, push, remove

Methods inherited from class java.lang.Object

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

Method Detail

min

public CursorPos min(Page p,
                     K from)

Description copied from class: Cursor

Visit the first key that is greater or equal the given key.

Overrides:

min in class Cursor<K,V>

Parameters:

p - the page

from - the key, or null

Returns:

the cursor position

visitChild

public CursorPos visitChild(Page p,
                            int childIndex)

Description copied from class: Cursor

Visit the first key within this child page.

Overrides:

visitChild in class Cursor<K,V>

Parameters:

p - the page

childIndex - the child index

Returns:

the cursor position