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Java Source Code / Java Documentation » Net » Terracotta » com.tc.object.cache

Source Cross Reference

Class Diagram

Java Document (Java Doc)

com.tc.object.cache .EvictionPolicy

All known Subclasses:   com.tc.object.cache .LRUEvictionPolicy,  com.tc.object.cache .LFUEvictionPolicy,  com.tc.object.cache .NullCache,  com.tc.object.cache .ClockEvictionPolicy,
EvictionPolicy
public interface EvictionPolicy extends PrettyPrintable(Code)

author:
   steve

Method Summary
public boolean add(Cacheable obj)
     Add an object to the cache and return true if objects has to be be evicted from the cache.
public int getCacheCapacity()

public Collection getRemovalCandidates(int maxCount)
     returns a list of objects can be evicted from the cache.
public void markReferenced(Cacheable obj)

public void remove(Cacheable obj)
     Retrieve a cached object from the cache.

Method Detail
add
public boolean add(Cacheable obj)(Code)
Add an object to the cache and return true if objects has to be be evicted from the cache.
Parameters:
  obj - - object that should be cached. true if objects should be removed from the cache

getCacheCapacity
public int getCacheCapacity()(Code)
the cache Capacity when the cache becomes full

getRemovalCandidates
public Collection getRemovalCandidates(int maxCount)(Code)
returns a list of objects can be evicted from the cache. Note: It doesn't actually evict them, it is advisory at this point
Parameters:
  maxCount - - the maxCount of objects that should be returned. Collection of objects that can be removed from the cache

markReferenced
public void markReferenced(Cacheable obj)(Code)
moves it up the lru chain

remove
public void remove(Cacheable obj)(Code)
Retrieve a cached object from the cache.
Parameters:
  ObjectID - of the object to be retrieved Cacheable - the requested object

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