org.hibernate.search.filter.impl

Class MRUFilterCachingStrategy

java.lang.Object

org.hibernate.search.filter.impl.MRUFilterCachingStrategy

All Implemented Interfaces:

FilterCachingStrategy

public class MRUFilterCachingStrategy
extends Object
implements FilterCachingStrategy

Keep the most recently used Filters in the cache The cache is at least as big as hibernate.search.filter.cache_strategy.size Above this limit, Filters are kept as soft references

Author:

Emmanuel Bernard

Constructor Summary

Constructors

Constructor and Description
MRUFilterCachingStrategy()

Method Summary

Modifier and Type	Method and Description
void	addCachedFilter(FilterKey key, org.apache.lucene.search.Filter filter) Propose a candidate filter for caching
org.apache.lucene.search.Filter	getCachedFilter(FilterKey key) Retrieve the cached filter for a given key or null if not cached.
void	initialize(Properties properties) Initialize the strategy from the properties.

Methods inherited from class java.lang.Object

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

Constructor Detail

MRUFilterCachingStrategy

public MRUFilterCachingStrategy()

Method Detail

initialize

public void initialize(Properties properties)

Description copied from interface: FilterCachingStrategy

Initialize the strategy from the properties. The Properties must not be changed.

Specified by:

initialize in interface FilterCachingStrategy

Parameters:

properties - the caching strategy configuration

getCachedFilter

public org.apache.lucene.search.Filter getCachedFilter(FilterKey key)

Description copied from interface: FilterCachingStrategy

Retrieve the cached filter for a given key or null if not cached.

Specified by:

getCachedFilter in interface FilterCachingStrategy

Parameters:

key - the filter key

Returns:

the cached filter or null if not cached

addCachedFilter

public void addCachedFilter(FilterKey key,
                            org.apache.lucene.search.Filter filter)

Description copied from interface: FilterCachingStrategy

Propose a candidate filter for caching

Specified by:

addCachedFilter in interface FilterCachingStrategy

Parameters:

key - the filter key

filter - the filter to cache