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java.lang.Object org.apache.lucene.util.cache.Cache<K,V> org.apache.lucene.util.cache.SimpleMapCache<K,V>
public class SimpleMapCache<K,V>
Simple cache implementation that uses a HashMap to store (key, value) pairs.
This cache is not synchronized, use Cache.synchronizedCache(Cache)
if needed.
Field Summary | |
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protected Map<K,V> |
map
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Constructor Summary | |
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SimpleMapCache()
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SimpleMapCache(Map<K,V> map)
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Method Summary | |
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void |
close()
Closes the cache. |
boolean |
containsKey(Object key)
Returns whether the given key is in this cache. |
V |
get(Object key)
Returns the value for the given key. |
Set<K> |
keySet()
Returns a Set containing all keys in this cache. |
void |
put(K key,
V value)
Puts a (key, value)-pair into the cache. |
Methods inherited from class org.apache.lucene.util.cache.Cache |
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synchronizedCache |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected Map<K,V> map
Constructor Detail |
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public SimpleMapCache()
public SimpleMapCache(Map<K,V> map)
Method Detail |
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public V get(Object key)
Cache
get
in class Cache<K,V>
public void put(K key, V value)
Cache
put
in class Cache<K,V>
public void close()
Cache
close
in interface Closeable
close
in class Cache<K,V>
public boolean containsKey(Object key)
Cache
containsKey
in class Cache<K,V>
public Set<K> keySet()
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