Package jetbrains.buildServer.util

Class RecentEntriesCache<K,V>

java.lang.Object

jetbrains.buildServer.util.RecentEntriesCache<K,V>

public class RecentEntriesCache<K,V>
extends Object

Author:

Pavel.Sher Date: 26.05.2008

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	RecentEntriesCache.BiItemProcessor<K,V>
static interface	RecentEntriesCache.Function<K,V>
protected static class	RecentEntriesCache.Value<V>

Constructor Summary

Constructors

Constructor	Description
RecentEntriesCache(int maxEntries)
RecentEntriesCache(int maxEntries, boolean rememberNullValues)
RecentEntriesCache(String cacheName, int maxEntries)
RecentEntriesCache(String cacheName, int maxEntries, boolean rememberNullValues)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	clear()
Map<K,V>	copyEntries()
protected Map<K,RecentEntriesCache.Value<V>>	createCacheStorage(int maxEntries)
void	forEach(ItemProcessor<V> processor)
void	forEachEntry(RecentEntriesCache.BiItemProcessor<K,V> processor)
V	get(K key)
Collection<V>	getAll(Collection<K> keys)
float	getHitRate()
boolean	isEmpty()
Set<K>	keySet()
V	lookupOrCompute(K key, RecentEntriesCache.Function<K,V> compute)
void	put(K key, V value)
void	remove(K key)
void	removeValues(Filter<V> valueFilter)
int	size()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

RecentEntriesCache

public RecentEntriesCache(int maxEntries)

RecentEntriesCache

public RecentEntriesCache(int maxEntries,
                          boolean rememberNullValues)

RecentEntriesCache

public RecentEntriesCache(@NotNull
                          String cacheName,
                          int maxEntries)

RecentEntriesCache

public RecentEntriesCache(@NotNull
                          String cacheName,
                          int maxEntries,
                          boolean rememberNullValues)

Constructor.

Parameters:

maxEntries - max entries to hold in cache

rememberNullValues - whether to accept null values or not

Method Detail

createCacheStorage

@NotNull
protected Map<K,RecentEntriesCache.Value<V>> createCacheStorage(int maxEntries)

size

public int size()

Returns:

number of elements in the cache

Since:

7.0

isEmpty

public boolean isEmpty()

Returns:

true of cache is empty

Since:

7.0

get

@Nullable
public V get(@NotNull
             K key)

getAll

@NotNull
public Collection<V> getAll(@NotNull
                            Collection<K> keys)

put

public void put(@NotNull
                K key,
                V value)

keySet

@NotNull
public Set<K> keySet()

clear

public void clear()

remove

public void remove(@NotNull
                   K key)

removeValues

public void removeValues(@NotNull
                         Filter<V> valueFilter)

forEach

public void forEach(@NotNull
                    ItemProcessor<V> processor)

forEachEntry

public void forEachEntry(@NotNull
                         RecentEntriesCache.BiItemProcessor<K,V> processor)

copyEntries

public Map<K,V> copyEntries()

lookupOrCompute

public V lookupOrCompute(@NotNull
                         K key,
                         @NotNull
                         RecentEntriesCache.Function<K,V> compute)

getHitRate

public float getHitRate()

toString

public String toString()

Overrides:

toString in class Object