org.apache.activemq.kaha.impl.index
Class RangeLimitedMap

java.lang.Object
  org.apache.activemq.kaha.impl.index.RangeLimitedMap

All Implemented Interfaces:

java.util.Map

public class RangeLimitedMap
extends java.lang.Object
implements java.util.Map

A Map of keys and IndexItems - which is limited in size

Version:

$Revision: 1.2 $

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

java.util.Map.Entry<K,V>

Constructor Summary

RangeLimitedMap(IndexLinkedList indexList, DataManager keyDataManager, Marshaller keyMarshaller)

Method Summary

void	clear()
boolean	containsKey(java.lang.Object key)
boolean	containsValue(java.lang.Object value)
java.util.Set	entrySet()
java.lang.Object	get(java.lang.Object key)
protected IndexLinkedList	getIndexList()
protected java.lang.Object	getKey(IndexItem item)
int	getMaxRange()
protected IndexItem	getNextEntry(IndexItem item)
boolean	isEmpty()
java.util.Set	keySet()
protected int	pageIntoMap(IndexItem start) fill the internalMap
java.lang.Object	put(java.lang.Object key, java.lang.Object value)
void	putAll(java.util.Map t)
java.lang.Object	remove(java.lang.Object key)
void	setMaxRange(int maxRange)
int	size()
java.util.Collection	values()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

RangeLimitedMap

public RangeLimitedMap(IndexLinkedList indexList,
                       DataManager keyDataManager,
                       Marshaller keyMarshaller)

Parameters:

indexList -

keyDataManager -

keyMarshaller -

Method Detail

containsKey

public boolean containsKey(java.lang.Object key)

Specified by:

containsKey in interface java.util.Map

Parameters:

key -

Returns:

See Also:

Map.containsKey(java.lang.Object)

containsValue

public boolean containsValue(java.lang.Object value)

Specified by:

containsValue in interface java.util.Map

Parameters:

value -

Returns:

See Also:

Map.containsValue(java.lang.Object)

entrySet

public java.util.Set entrySet()

Specified by:

entrySet in interface java.util.Map

Returns:

See Also:

Map.entrySet()

get

public java.lang.Object get(java.lang.Object key)

Specified by:

get in interface java.util.Map

Parameters:

key -

Returns:

the value associated with the key

See Also:

Map.get(java.lang.Object)

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Map

Returns:

See Also:

Map.isEmpty()

keySet

public java.util.Set keySet()

Specified by:

keySet in interface java.util.Map

Returns:

See Also:

Map.keySet()

put

public java.lang.Object put(java.lang.Object key,
                            java.lang.Object value)

Specified by:

put in interface java.util.Map

Parameters:

key -

value -

Returns:

See Also:

Map.put(java.lang.Object, java.lang.Object)

putAll

public void putAll(java.util.Map t)

Specified by:

putAll in interface java.util.Map

Parameters:

t -

See Also:

Map.putAll(java.util.Map)

remove

public java.lang.Object remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map

Parameters:

key -

Returns:

See Also:

Map.remove(java.lang.Object)

size

public int size()

Specified by:

size in interface java.util.Map

Returns:

See Also:

Map.size()

values

public java.util.Collection values()

Specified by:

values in interface java.util.Map

Returns:

See Also:

Map.values()

getMaxRange

public int getMaxRange()

Returns:

the maxRange

setMaxRange

public void setMaxRange(int maxRange)

Parameters:

maxRange - the maxRange to set

pageIntoMap

protected int pageIntoMap(IndexItem start)

fill the internalMap

Parameters:

start -

numberOfItems -

Returns:

the actual number of items paged into the internalMap

clear

public void clear()

Specified by:

clear in interface java.util.Map

See Also:

Map.clear()

getIndexList

protected IndexLinkedList getIndexList()

Returns:

the indexList

getKey

protected java.lang.Object getKey(IndexItem item)

getNextEntry

protected IndexItem getNextEntry(IndexItem item)