net.sf.ehcache.store
Class MemoryStore.SpoolingLRUMap

java.lang.Object
  net.sf.ehcache.store.MemoryStore.SpoolingLRUMap

All Implemented Interfaces:

java.io.Externalizable, java.util.Map, java.io.Serializable

Enclosing class:

MemoryStore

public class MemoryStore.SpoolingLRUMap

extends java.lang.Object

implements java.io.Externalizable, java.util.Map

A Map implementation that delegates to Apache Commons LRUMap.

This is used if LinkedHashMap is not found in the classpath. LinkedHashMap is part of JDK

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class java.util.Map

java.util.Map.Entry

Constructor Summary

MemoryStore.SpoolingLRUMap()
Constructor.

Method Summary

void	clear() delegate to the LRUMap
boolean	containsKey(java.lang.Object o) delegate to the LRUMap
boolean	containsValue(java.lang.Object o) delegate to the LRUMap
java.util.Set	entrySet() delegate to the LRUMap
boolean	equals(java.lang.Object o) delegate to the LRUMap
java.lang.Object	get(java.lang.Object o) delegate to the LRUMap
int	hashCode() delegate to the LRUMap
boolean	isEmpty() delegate to the LRUMap
java.util.Set	keySet() delegate to the LRUMap
protected void	processRemovedLRU(java.lang.Object key, java.lang.Object value) Called after the element has been removed.
java.lang.Object	put(java.lang.Object o, java.lang.Object o1) delegate to the LRUMap
void	putAll(java.util.Map map) delegate to the LRUMap
void	readExternal(java.io.ObjectInput objectInput) delegate to the LRUMap
java.lang.Object	remove(java.lang.Object o) delegate to the LRUMap
int	size() delegate to the LRUMap
java.util.Collection	values() delegate to the LRUMap
void	writeExternal(java.io.ObjectOutput objectOutput) delegate to the LRUMap

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryStore.SpoolingLRUMap

public MemoryStore.SpoolingLRUMap()

Constructor. The maximum size is set to Cache.getMaxElementsInMemory(). If the LRUMap gets bigger than this, processRemovedLRU(java.lang.Object, java.lang.Object) is called.

Method Detail

clear

public void clear()

delegate to the LRUMap

Specified by:

clear in interface java.util.Map

containsKey

public boolean containsKey(java.lang.Object o)

delegate to the LRUMap

Specified by:

containsKey in interface java.util.Map

containsValue

public boolean containsValue(java.lang.Object o)

delegate to the LRUMap

Specified by:

containsValue in interface java.util.Map

entrySet

public java.util.Set entrySet()

delegate to the LRUMap

Specified by:

entrySet in interface java.util.Map

equals

public boolean equals(java.lang.Object o)

delegate to the LRUMap

Specified by:

equals in interface java.util.Map

hashCode

public int hashCode()

delegate to the LRUMap

Specified by:

hashCode in interface java.util.Map

isEmpty

public boolean isEmpty()

delegate to the LRUMap

Specified by:

isEmpty in interface java.util.Map

keySet

public java.util.Set keySet()

delegate to the LRUMap

Specified by:

keySet in interface java.util.Map

putAll

public void putAll(java.util.Map map)

delegate to the LRUMap

Specified by:

putAll in interface java.util.Map

readExternal

public void readExternal(java.io.ObjectInput objectInput)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

delegate to the LRUMap

Specified by:

readExternal in interface java.io.Externalizable

Throws:

java.io.IOException

java.lang.ClassNotFoundException

remove

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

delegate to the LRUMap

Specified by:

remove in interface java.util.Map

size

public int size()

delegate to the LRUMap

Specified by:

size in interface java.util.Map

values

public java.util.Collection values()

delegate to the LRUMap

Specified by:

values in interface java.util.Map

writeExternal

public void writeExternal(java.io.ObjectOutput objectOutput)
                   throws java.io.IOException

delegate to the LRUMap

Specified by:

writeExternal in interface java.io.Externalizable

Throws:

java.io.IOException

get

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

delegate to the LRUMap

Specified by:

get in interface java.util.Map

put

public java.lang.Object put(java.lang.Object o,
                            java.lang.Object o1)

delegate to the LRUMap

Specified by:

put in interface java.util.Map

processRemovedLRU

protected void processRemovedLRU(java.lang.Object key,
                                 java.lang.Object value)

Called after the element has been removed.

Our choices are to do nothing or spool the element to disk.

Parameters:

key -

value -