MockMemoryCache (Commons JCS 2.0.0-SNAPSHOT Test API)

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org.apache.jcs.engine.memory
Class MockMemoryCache<K extends Serializable,V extends Serializable>

java.lang.Object
  org.apache.jcs.engine.memory.MockMemoryCache<K,V>

All Implemented Interfaces:: IMemoryCache<K,V>

public class MockMemoryCache<K extends Serializable,V extends Serializable>
extends Object
implements IMemoryCache<K,V>
extends Object
implements IMemoryCache<K,V>

Mock implementation of a memory cache for testing things like the memory shrinker.

Author:: Aaron Smuts

Field Summary
`int`	`lastNumberOfFreedElements` The number passed to the last call of free elements.
`int`	`waterfallCallCount` The number of times waterfall was called.

Constructor Summary
`MockMemoryCache()`

Method Summary
`void`	`dispose()` Destroy the memory cache
`int`	`freeElements(int numberToFree)`
`ICacheElement<K,V>`	`get(K key)`
`ICompositeCacheAttributes`	`getCacheAttributes()`
`CompositeCache<K,V>`	`getCompositeCache()`
`Set<K>`	`getGroupKeys(String group)`
`Set<String>`	`getGroupNames()`
`Iterator<Map.Entry<K,MemoryElementDescriptor<K,V>>>`	`getIterator()`
`Set<K>`	`getKeySet()`
`Map<K,ICacheElement<K,V>>`	`getMultiple(Set<K> keys)`
`ICacheElement<K,V>`	`getQuiet(K key)`
`int`	`getSize()`
`IStats`	`getStatistics()`
`void`	`initialize(CompositeCache<K,V> cache)` Does nothing
`boolean`	`remove(K key)`
`void`	`removeAll()`
`void`	`setCacheAttributes(ICompositeCacheAttributes cattr)`
`void`	`update(ICacheElement<K,V> ce)`
`void`	`waterfal(ICacheElement<K,V> ce)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

waterfallCallCount

public int waterfallCallCount

The number of times waterfall was called.

lastNumberOfFreedElements

public int lastNumberOfFreedElements

The number passed to the last call of free elements.

Constructor Detail

MockMemoryCache

public MockMemoryCache()

Method Detail

initialize

public void initialize(CompositeCache<K,V> cache)

Does nothing

Specified by:: initialize in interface IMemoryCache<K extends Serializable,V extends Serializable>

Parameters:: cache -

dispose

public void dispose()
             throws IOException

Destroy the memory cache

Specified by:: dispose in interface IMemoryCache<K extends Serializable,V extends Serializable>

Throws:: IOException

getSize

public int getSize()

Specified by:: getSize in interface IMemoryCache<K extends Serializable,V extends Serializable>

Returns:: size

getStatistics

public IStats getStatistics()

Specified by:: getStatistics in interface IMemoryCache<K extends Serializable,V extends Serializable>

Returns:: stats

getIterator

public Iterator<Map.Entry<K,MemoryElementDescriptor<K,V>>> getIterator()

Specified by:: getIterator in interface IMemoryCache<K extends Serializable,V extends Serializable>

Returns:: null

getKeySet

public Set<K> getKeySet()

Specified by:: getKeySet in interface IMemoryCache<K extends Serializable,V extends Serializable>

Returns:: map.keySet().toArray(

remove

public boolean remove(K key)
               throws IOException

Specified by:: remove in interface IMemoryCache<K extends Serializable,V extends Serializable>

Parameters:: key -
Returns:: map.remove( key ) != null
Throws:: IOException

removeAll

public void removeAll()
               throws IOException

Specified by:: removeAll in interface IMemoryCache<K extends Serializable,V extends Serializable>

Throws:: IOException

get

public ICacheElement<K,V> get(K key)
                                                                 throws IOException

Specified by:: get in interface IMemoryCache<K extends Serializable,V extends Serializable>

Parameters:: key -
Returns:: (ICacheElement) map.get( key )
Throws:: IOException

getMultiple

public Map<K,ICacheElement<K,V>> getMultiple(Set<K> keys)
                                                                                                     throws IOException

Specified by:: getMultiple in interface IMemoryCache<K extends Serializable,V extends Serializable>

Parameters:: keys -
Returns:: elements
Throws:: IOException

getQuiet

public ICacheElement<K,V> getQuiet(K key)
                                                                      throws IOException

Specified by:: getQuiet in interface IMemoryCache<K extends Serializable,V extends Serializable>

Parameters:: key -
Returns:: (ICacheElement) map.get( key )
Throws:: IOException

waterfal

public void waterfal(ICacheElement<K,V> ce)
              throws IOException

Specified by:: waterfal in interface IMemoryCache<K extends Serializable,V extends Serializable>

Parameters:: ce -
Throws:: IOException

update

public void update(ICacheElement<K,V> ce)
            throws IOException

Specified by:: update in interface IMemoryCache<K extends Serializable,V extends Serializable>

Parameters:: ce -
Throws:: IOException

getCacheAttributes

public ICompositeCacheAttributes getCacheAttributes()

Specified by:: getCacheAttributes in interface IMemoryCache<K extends Serializable,V extends Serializable>

Returns:: ICompositeCacheAttributes

setCacheAttributes

public void setCacheAttributes(ICompositeCacheAttributes cattr)

Specified by:: setCacheAttributes in interface IMemoryCache<K extends Serializable,V extends Serializable>

Parameters:: cattr -

getCompositeCache

public CompositeCache<K,V> getCompositeCache()

Specified by:: getCompositeCache in interface IMemoryCache<K extends Serializable,V extends Serializable>

Returns:: null

getGroupKeys

public Set<K> getGroupKeys(String group)

Specified by:: getGroupKeys in interface IMemoryCache<K extends Serializable,V extends Serializable>

Parameters:: group -
Returns:: null

getGroupNames

public Set<String> getGroupNames()

Specified by:: getGroupNames in interface IMemoryCache<K extends Serializable,V extends Serializable>

Returns:: null

freeElements

public int freeElements(int numberToFree)
                 throws IOException

Specified by:: freeElements in interface IMemoryCache<K extends Serializable,V extends Serializable>

Parameters:: numberToFree -
Returns:: 0
Throws:: IOException