org.apache.directory.mavibot.btree

Class AbstractDeleteResult<K,V>

java.lang.Object

org.apache.directory.mavibot.btree.AbstractResult<K,V>

org.apache.directory.mavibot.btree.AbstractDeleteResult<K,V>

Type Parameters:

K - The type for the Key

V - The type for the stored value

All Implemented Interfaces:

DeleteResult<K,V>, Result<Page<K,V>>

Direct Known Subclasses:

AbstractBorrowedFromSiblingResult, MergedWithSiblingResult, RemoveResult

abstract class AbstractDeleteResult<K,V>
extends AbstractResult<K,V>
implements DeleteResult<K,V>

An abstract class to gather common elements of the DeleteResult

Field Summary

Fields

Modifier and Type	Field and Description
private Page<K,V>	modifiedPage The modified page reference
private Tuple<K,V>	removedElement The removed element if the key was found in the tree

Constructor Summary

Constructors

Constructor and Description
AbstractDeleteResult(java.util.List<Page<K,V>> copiedPages, Page<K,V> modifiedPage, Tuple<K,V> removedElement) The default constructor for AbstractDeleteResult.
AbstractDeleteResult(Page<K,V> modifiedPage, Tuple<K,V> removedElement) The default constructor for AbstractDeleteResult.

Method Summary

Modifier and Type	Method and Description
Page<K,V>	getModifiedPage()
Tuple<K,V>	getRemovedElement()
(package private) void	setModifiedPage(Page<K,V> modifiedPage)

Methods inherited from class org.apache.directory.mavibot.btree.AbstractResult

addCopiedPage, getCopiedPages, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.directory.mavibot.btree.Result

addCopiedPage, getCopiedPages

Field Detail

modifiedPage

private Page<K,V> modifiedPage

The modified page reference

removedElement

private Tuple<K,V> removedElement

The removed element if the key was found in the tree

Constructor Detail

AbstractDeleteResult

AbstractDeleteResult(Page<K,V> modifiedPage,
                     Tuple<K,V> removedElement)

The default constructor for AbstractDeleteResult.

Parameters:

modifiedPage - The modified page

removedElement - The removed element (can be null if the key wasn't present in the tree)

AbstractDeleteResult

AbstractDeleteResult(java.util.List<Page<K,V>> copiedPages,
                     Page<K,V> modifiedPage,
                     Tuple<K,V> removedElement)

The default constructor for AbstractDeleteResult.

Parameters:

copiedPages - the list of copied pages

modifiedPage - The modified page

removedElement - The removed element (can be null if the key wasn't present in the tree)

Method Detail

getModifiedPage

public Page<K,V> getModifiedPage()

Specified by:

getModifiedPage in interface DeleteResult<K,V>

Returns:

the modifiedPage

getRemovedElement

public Tuple<K,V> getRemovedElement()

Specified by:

getRemovedElement in interface DeleteResult<K,V>

Returns:

the removed element

setModifiedPage

void setModifiedPage(Page<K,V> modifiedPage)

Parameters:

modifiedPage - the modifiedPage to set