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K
- the type of keys being evictedV
- the type of values being evicted@Beta public interface MapEvictionListener<K,V>
An object that can receive a notification when an entry is evicted from a map.
An instance may be called concurrently by multiple threads to process different entries. Implementations of this interface should avoid performing blocking calls or synchronizing on shared resources.
Method Summary | |
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void |
onEviction(K key,
V value)
Notifies the listener that an eviction has occurred. |
Method Detail |
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void onEviction(@Nullable K key, @Nullable V value)
key
- the key of the entry that has already been evicted, or null
if its reference was collectedvalue
- the value of the entry that has already been evicted, or
null
if its reference was collected
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