Package freemarker.cache
Class StrongCacheStorage
java.lang.Object
freemarker.cache.StrongCacheStorage
- All Implemented Interfaces:
CacheStorage,CacheStorageWithGetSize,ConcurrentCacheStorage
public class StrongCacheStorage
extends Object
implements ConcurrentCacheStorage, CacheStorageWithGetSize
Strong cache storage is a cache storage that simply wraps a
Map. It holds a strong reference to all objects
it was passed, therefore prevents the cache from being purged during garbage collection. This class is always
thread-safe since 2.3.24, before that if we are running on Java 5 or later.-
Constructor Summary
Constructors -
Method Summary
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Constructor Details
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StrongCacheStorage
public StrongCacheStorage()
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Method Details
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isConcurrent
public boolean isConcurrent()Always returnstrue.- Specified by:
isConcurrentin interfaceConcurrentCacheStorage- Returns:
- true if this instance of cache storage is concurrently accessible from multiple threads without synchronization.
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get
- Specified by:
getin interfaceCacheStorage
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put
- Specified by:
putin interfaceCacheStorage
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remove
- Specified by:
removein interfaceCacheStorage
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getSize
public int getSize()Returns a close approximation of the number of cache entries.- Specified by:
getSizein interfaceCacheStorageWithGetSize- Since:
- 2.3.21
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clear
public void clear()- Specified by:
clearin interfaceCacheStorage
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