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java.lang.Object org.jboss.cache.eviction.BaseEvictionAlgorithm org.jboss.cache.eviction.MRUAlgorithm
public class MRUAlgorithm
Most Recently Used Algorithm.
This algorithm will evict the most recently used cache entries from cache. Note: None of the Eviction classes are thread safe. It is assumed that an individual instance of an EvictionPolicy/ EvictionAlgorithm/EvictionQueue/EvictionConfiguration are only operated on by one thread at any given time.
Field Summary |
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Fields inherited from class org.jboss.cache.eviction.BaseEvictionAlgorithm |
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allowTombstones, cache, configuration, evictionActionPolicy, evictionAlgorithmConfig, evictionQueue, recycleQueue, regionFqn |
Constructor Summary | |
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MRUAlgorithm()
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Method Summary | |
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Class<? extends EvictionAlgorithmConfig> |
getConfigurationClass()
This is a helper so that the XML parser will be able to select and use the correct EvictionAlgorithmConfig implementation
class corresponding to this EvictionAlgorithm. |
protected void |
processVisitedNodes(EvictionEvent evictedEventNode)
Visit a node in cache. |
protected EvictionQueue |
setupEvictionQueue()
This method will create an EvictionQueue implementation and prepare it for use. |
protected boolean |
shouldEvictNode(NodeEntry ne)
This method will check whether the given node should be evicted or not. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public MRUAlgorithm()
Method Detail |
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protected EvictionQueue setupEvictionQueue() throws EvictionException
BaseEvictionAlgorithm
setupEvictionQueue
in class BaseEvictionAlgorithm
EvictionException
- if there are problemsEvictionQueue
protected boolean shouldEvictNode(NodeEntry ne)
BaseEvictionAlgorithm
shouldEvictNode
in class BaseEvictionAlgorithm
ne
- NodeEntry to test eviction for.
protected void processVisitedNodes(EvictionEvent evictedEventNode) throws EvictionException
BaseEvictionAlgorithm
processVisitedNodes
in class BaseEvictionAlgorithm
EvictionException
public Class<? extends EvictionAlgorithmConfig> getConfigurationClass()
EvictionAlgorithm
EvictionAlgorithmConfig
implementation
class corresponding to this EvictionAlgorithm. E.g., the FIFOAlgorithm
would return FIFOAlgorithmConfig
.class.
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