org.apache.activemq.store.kahadb.disk.index

Class ListNode<Key,Value>

java.lang.Object

org.apache.activemq.store.kahadb.disk.index.ListNode<Key,Value>

public final class ListNode<Key,Value>
extends Object

The ListNode class represents a node in the List object graph. It is stored in one overflowing Page of a PageFile.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ListNode.NodeMarshaller<Key,Value> The Marshaller is used to store and load the data in the ListNode into a Page.

Constructor Summary

Constructors

Constructor and Description
ListNode()

Method Summary

Modifier and Type	Method and Description
Value	addFirst(Transaction tx, Key key, Value value)
void	clear(Transaction tx)
boolean	contains(Transaction tx, Key key)
Value	get(Transaction tx, Key key)
ListIndex<Key,Value>	getContainingList()
Map.Entry<Key,Value>	getFirst(Transaction tx)
Map.Entry<Key,Value>	getLast(Transaction tx)
long	getNext()
Page<ListNode<Key,Value>>	getPage()
long	getPageId()
boolean	isEmpty(Transaction tx)
boolean	isHead()
boolean	isTail()
Iterator<Map.Entry<Key,Value>>	iterator(Transaction tx)
Iterator<Map.Entry<Key,Value>>	iterator(Transaction tx, long pos)
Value	put(Transaction tx, Key key, Value value)
void	setContainingList(ListIndex<Key,Value> list)
void	setNext(long next)
void	setPage(Page<ListNode<Key,Value>> page)
int	size(Transaction tx)
void	storeUpdate(Transaction tx)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ListNode

public ListNode()

Method Detail

put

public Value put(Transaction tx,
                 Key key,
                 Value value)
          throws IOException

Throws:

IOException

addFirst

public Value addFirst(Transaction tx,
                      Key key,
                      Value value)
               throws IOException

Throws:

IOException

storeUpdate

public void storeUpdate(Transaction tx)
                 throws IOException

Throws:

IOException

get

public Value get(Transaction tx,
                 Key key)

isEmpty

public boolean isEmpty(Transaction tx)

getFirst

public Map.Entry<Key,Value> getFirst(Transaction tx)

getLast

public Map.Entry<Key,Value> getLast(Transaction tx)

iterator

public Iterator<Map.Entry<Key,Value>> iterator(Transaction tx,
                                               long pos)
                                        throws IOException

Throws:

IOException

iterator

public Iterator<Map.Entry<Key,Value>> iterator(Transaction tx)
                                        throws IOException

Throws:

IOException

clear

public void clear(Transaction tx)
           throws IOException

Throws:

IOException

contains

public boolean contains(Transaction tx,
                        Key key)

getPageId

public long getPageId()

getPage

public Page<ListNode<Key,Value>> getPage()

setPage

public void setPage(Page<ListNode<Key,Value>> page)

getNext

public long getNext()

setNext

public void setNext(long next)

setContainingList

public void setContainingList(ListIndex<Key,Value> list)

getContainingList

public ListIndex<Key,Value> getContainingList()

isHead

public boolean isHead()

isTail

public boolean isTail()

size

public int size(Transaction tx)

toString

public String toString()

Overrides:

toString in class Object