org.nuxeo.ecm.core.cache

Class InMemoryCacheImpl

java.lang.Object

org.nuxeo.ecm.core.cache.AbstractCache

org.nuxeo.ecm.core.cache.InMemoryCacheImpl

All Implemented Interfaces:

Cache

public class InMemoryCacheImpl
extends AbstractCache

Default in memory implementation for cache management based on guava

Since:

6.0

Field Summary

Fields

Modifier and Type	Field and Description
protected com.google.common.cache.Cache<String,Serializable>	cache
protected static org.apache.commons.logging.Log	log

Fields inherited from class org.nuxeo.ecm.core.cache.AbstractCache

name, ttl

Constructor Summary

Constructors

Constructor and Description
InMemoryCacheImpl(CacheDescriptor desc)

Method Summary

Modifier and Type	Method and Description
Serializable	get(String key) Get method to retrieve value from cache Must not raise exception if the key is null, but return null
com.google.common.cache.Cache<String,Serializable>	getGuavaCache() Get the instance cache
boolean	hasEntry(String key) Check if a given key is present inside the cache.
void	invalidate(String key) Invalidate the given key
void	invalidateAll() Invalidate all key-value stored in the cache
void	put(String key, Serializable value) Put method to store a Serializable value

Methods inherited from class org.nuxeo.ecm.core.cache.AbstractCache

getName

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static final org.apache.commons.logging.Log log

cache

protected final com.google.common.cache.Cache<String,Serializable> cache

Constructor Detail

InMemoryCacheImpl

public InMemoryCacheImpl(CacheDescriptor desc)

Method Detail

getGuavaCache

public com.google.common.cache.Cache<String,Serializable> getGuavaCache()

Get the instance cache

Returns:

the Guava instance cache used in this nuxeo cache

Since:

6.0

get

public Serializable get(String key)

Description copied from interface: Cache

Get method to retrieve value from cache Must not raise exception if the key is null, but return null

Parameters:

key - the string key

Returns:

the Serializable value, return null if the key does not exist or if the key is null

invalidate

public void invalidate(String key)

Description copied from interface: Cache

Invalidate the given key

invalidateAll

public void invalidateAll()

Description copied from interface: Cache

Invalidate all key-value stored in the cache

put

public void put(String key,
                Serializable value)

Description copied from interface: Cache

Put method to store a Serializable value

Parameters:

key - the string key, if null, the value will not be stored

value - the value to store, if null, the value will not be stored

hasEntry

public boolean hasEntry(String key)

Description copied from interface: Cache

Check if a given key is present inside the cache. Compared to the get() method, this method must not update internal cache state and change TTL

Specified by:

hasEntry in interface Cache

Overrides:

hasEntry in class AbstractCache

Parameters:

key - the string key

Returns:

true if a corresponding entry exists, false otherwise