org.h2.mvstore

Class CursorPos<K,V>

java.lang.Object

org.h2.mvstore.CursorPos<K,V>

public final class CursorPos<K,V>
extends java.lang.Object

A position in a cursor. Instance represents a node in the linked list, which traces path from a specific (target) key within a leaf node all the way up to te root (bottom up path).

Field Summary

Fields

Modifier and Type	Field and Description
int	index Index of the key (within page above) used to go down to a lower level in case of intermediate nodes, or index of the target key for leaf a node.
Page<K,V>	page The page at the current level.
CursorPos<K,V>	parent Next node in the linked list, representing the position within parent level, or null, if we are at the root level already.

Constructor Summary

Constructors

Constructor and Description
CursorPos(Page<K,V> page, int index, CursorPos<K,V> parent)

Method Summary

Modifier and Type	Method and Description
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

page

public Page<K,V> page

The page at the current level.

index

public int index

Index of the key (within page above) used to go down to a lower level in case of intermediate nodes, or index of the target key for leaf a node. In a later case, it could be negative, if the key is not present.

parent

public CursorPos<K,V> parent

Next node in the linked list, representing the position within parent level, or null, if we are at the root level already.

Constructor Detail

CursorPos

public CursorPos(Page<K,V> page,
                 int index,
                 CursorPos<K,V> parent)

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object