org.apache.activemq.kaha.impl.container
Class MapContainerImpl

java.lang.Object
  org.apache.activemq.kaha.impl.container.BaseContainerImpl
      org.apache.activemq.kaha.impl.container.MapContainerImpl

All Implemented Interfaces:

java.util.Map, MapContainer

public final class MapContainerImpl
extends BaseContainerImpl
implements MapContainer

Implementation of a MapContainer

Version:

$Revision: 1.2 $

Nested Class Summary

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

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

Field Summary

protected java.util.Map	indexMap
protected Marshaller	keyMarshaller
protected Marshaller	valueMarshaller

Fields inherited from class org.apache.activemq.kaha.impl.container.BaseContainerImpl

closed, containerId, dataManager, indexList, indexManager, indexType, initialized, loaded, root

Constructor Summary

MapContainerImpl(ContainerId id, IndexItem root, IndexManager indexManager, DataManager dataManager, java.lang.String indexType)

Method Summary

void	clear() empty the container
boolean	containsKey(java.lang.Object key)
boolean	containsValue(java.lang.Object o)
java.util.Set	entrySet()
java.lang.Object	get(java.lang.Object key) Get the value associated with the key
java.util.Map	getIndexMap()
protected java.util.Set	getInternalKeySet()
protected IndexLinkedList	getItemList()
java.lang.Object	getKey(StoreEntry item) Get the Key object from it's location
java.lang.Object	getValue(StoreEntry item) Get the value from it's location
void	init()
boolean	isEmpty()
java.util.Set	keySet()
void	load() The container is created or retrieved in an unloaded state.
StoreEntry	place(java.lang.Object key, java.lang.Object value) Add an entry to the Store Map
java.lang.Object	put(java.lang.Object key, java.lang.Object value) Add an entry
void	putAll(java.util.Map t) Add add entries in the supplied Map
protected void	remove(IndexItem item)
java.lang.Object	remove(java.lang.Object key) remove an entry associated with the key
void	remove(StoreEntry entry) Remove an Entry from ther Map
boolean	removeValue(java.lang.Object o)
void	setIndexMap(java.util.Map map) Set the internal index map
void	setKeyMarshaller(Marshaller keyMarshaller) For homogenous containers can set a custom marshaller for loading keys The default uses Object serialization
void	setValueMarshaller(Marshaller valueMarshaller) For homogenous containers can set a custom marshaller for loading values The default uses Object serialization
int	size()
void	unload() unload indexes from the container
java.util.Collection	values()
protected IndexItem	write(java.lang.Object key, java.lang.Object value)

Methods inherited from class org.apache.activemq.kaha.impl.container.BaseContainerImpl

checkClosed, close, delete, doClear, expressDataInterest, getContainerId, getDataManager, getId, getIndexManager, getInternalList, getList, isLoaded, isRoot, setList, storeIndex, updateIndexes

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.activemq.kaha.MapContainer

getId, isLoaded

Methods inherited from interface java.util.Map

equals, hashCode

Field Detail

indexMap

protected java.util.Map indexMap

keyMarshaller

protected Marshaller keyMarshaller

valueMarshaller

protected Marshaller valueMarshaller

Constructor Detail

MapContainerImpl

public MapContainerImpl(ContainerId id,
                        IndexItem root,
                        IndexManager indexManager,
                        DataManager dataManager,
                        java.lang.String indexType)

Method Detail

init

public void init()

Overrides:

init in class BaseContainerImpl

load

public void load()

Description copied from interface: MapContainer

The container is created or retrieved in an unloaded state. load populates the container will all the indexes used etc and should be called before any operations on the container

Specified by:

load in interface MapContainer

Specified by:

load in class BaseContainerImpl

unload

public void unload()

Description copied from interface: MapContainer

unload indexes from the container

Specified by:

unload in interface MapContainer

Specified by:

unload in class BaseContainerImpl

setKeyMarshaller

public void setKeyMarshaller(Marshaller keyMarshaller)

Description copied from interface: MapContainer

For homogenous containers can set a custom marshaller for loading keys The default uses Object serialization

Specified by:

setKeyMarshaller in interface MapContainer

setValueMarshaller

public void setValueMarshaller(Marshaller valueMarshaller)

Description copied from interface: MapContainer

For homogenous containers can set a custom marshaller for loading values The default uses Object serialization

Specified by:

setValueMarshaller in interface MapContainer

size

public int size()

Specified by:

size in interface java.util.Map

Specified by:

size in interface MapContainer

Specified by:

size in class BaseContainerImpl

Returns:

the number of values in the container

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Map

Specified by:

isEmpty in interface MapContainer

Returns:

true if there are no values stored in the container

containsKey

public boolean containsKey(java.lang.Object key)

Specified by:

containsKey in interface java.util.Map

Specified by:

containsKey in interface MapContainer

Returns:

true if the container contains the key

get

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

Description copied from interface: MapContainer

Get the value associated with the key

Specified by:

get in interface java.util.Map

Specified by:

get in interface MapContainer

Returns:

the value associated with the key from the store

containsValue

public boolean containsValue(java.lang.Object o)

Specified by:

containsValue in interface java.util.Map

Specified by:

containsValue in interface MapContainer

Returns:

true if the MapContainer contains the value o

putAll

public void putAll(java.util.Map t)

Description copied from interface: MapContainer

Add add entries in the supplied Map

Specified by:

putAll in interface java.util.Map

Specified by:

putAll in interface MapContainer

keySet

public java.util.Set keySet()

Specified by:

keySet in interface java.util.Map

Specified by:

keySet in interface MapContainer

Returns:

a Set of all the keys

values

public java.util.Collection values()

Specified by:

values in interface java.util.Map

Specified by:

values in interface MapContainer

Returns:

a collection of all the values - the values will be lazily pulled out of the store if iterated etc.

entrySet

public java.util.Set entrySet()

Specified by:

entrySet in interface java.util.Map

Specified by:

entrySet in interface MapContainer

Returns:

a Set of all the Map.Entry instances - the values will be lazily pulled out of the store if iterated etc.

put

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

Description copied from interface: MapContainer

Add an entry

Specified by:

put in interface java.util.Map

Specified by:

put in interface MapContainer

Returns:

the old value for the key

remove

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

Description copied from interface: MapContainer

remove an entry associated with the key

Specified by:

remove in interface java.util.Map

Specified by:

remove in interface MapContainer

Returns:

the old value assocaited with the key or null

removeValue

public boolean removeValue(java.lang.Object o)

remove

protected void remove(IndexItem item)

Specified by:

remove in class BaseContainerImpl

clear

public void clear()

Description copied from interface: MapContainer

empty the container

Specified by:

clear in interface java.util.Map

Specified by:

clear in interface MapContainer

Overrides:

clear in class BaseContainerImpl

place

public StoreEntry place(java.lang.Object key,
                        java.lang.Object value)

Add an entry to the Store Map

Specified by:

place in interface MapContainer

Parameters:

key -

value -

Returns:

the StoreEntry associated with the entry

remove

public void remove(StoreEntry entry)

Remove an Entry from ther Map

Specified by:

remove in interface MapContainer

Parameters:

entry -

getValue

public java.lang.Object getValue(StoreEntry item)

Get the value from it's location

Specified by:

getValue in interface MapContainer

Specified by:

getValue in class BaseContainerImpl

Parameters:

item -

Returns:

the value associated with the store entry

getKey

public java.lang.Object getKey(StoreEntry item)

Get the Key object from it's location

Specified by:

getKey in interface MapContainer

Parameters:

item -

Returns:

the Key Object associated with the StoreEntry

getInternalKeySet

protected java.util.Set getInternalKeySet()

getItemList

protected IndexLinkedList getItemList()

write

protected IndexItem write(java.lang.Object key,
                          java.lang.Object value)

getIndexMap

public java.util.Map getIndexMap()

Specified by:

getIndexMap in interface MapContainer

Returns:

See Also:

MapContainer.getIndexMap()

setIndexMap

public void setIndexMap(java.util.Map map)

Description copied from interface: MapContainer

Set the internal index map

Specified by:

setIndexMap in interface MapContainer

Parameters:

map -

See Also:

MapContainer.setIndexMap(java.util.Map)