org.rapidoid.cache.impl

Class ConcurrentCacheAtom<V>

java.lang.Object

org.rapidoid.RapidoidThing

org.rapidoid.cache.impl.ConcurrentCacheAtom<V>

All Implemented Interfaces:

Callable<V>, CacheAtom<V>

@Authors(value="Nikolche Mihajlovski")
 @Since(value="5.3.0")
public class ConcurrentCacheAtom<V>
extends org.rapidoid.RapidoidThing
implements CacheAtom<V>, Callable<V>

Constructor Summary

Constructors

Constructor and Description
ConcurrentCacheAtom(Callable<V> loader, long ttlInMs, CacheStats stats)

Method Summary

Modifier and Type	Method and Description
V	call()
V	get() Returns the cached value, recalculating/reloading it if expired.
AtomicLong	getErrors()
AtomicLong	getHits()
V	getIfExists() Retrieves the cached value if it exists, or null otherwise.
AtomicLong	getMisses()
void	invalidate() Invalidates the cached value.
void	set(V value) Sets a new cached value.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ConcurrentCacheAtom

public ConcurrentCacheAtom(Callable<V> loader,
                           long ttlInMs,
                           CacheStats stats)

Method Detail

get

public V get()

Returns the cached value, recalculating/reloading it if expired.

Specified by:

get in interface CacheAtom<V>

getIfExists

public V getIfExists()

Retrieves the cached value if it exists, or null otherwise.

Specified by:

getIfExists in interface CacheAtom<V>

set

public void set(V value)

Sets a new cached value.

Specified by:

set in interface CacheAtom<V>

invalidate

public void invalidate()

Invalidates the cached value.

Specified by:

invalidate in interface CacheAtom<V>

call

public V call()
       throws Exception

Specified by:

call in interface Callable<V>

Throws:

Exception

getHits

public AtomicLong getHits()

getMisses

public AtomicLong getMisses()

getErrors

public AtomicLong getErrors()

toString

public String toString()

Overrides:

toString in class Object