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java.lang.Object org.archive.util.ObjectIdentityMemCache<V>
V
- public class ObjectIdentityMemCache<V>
Trivial all-in-memory object cache, using a single internal ConcurrentHashMap.
Field Summary | |
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(package private) java.util.concurrent.ConcurrentHashMap<java.lang.String,V> |
map
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Constructor Summary | |
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ObjectIdentityMemCache()
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ObjectIdentityMemCache(int cap,
float load,
int conc)
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Method Summary | |
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void |
close()
close/release any associated resources |
V |
get(java.lang.String key)
get the object under the given key/name |
V |
getOrUse(java.lang.String key,
Supplier<V> supplierOrNull)
get the object under the given key/name, using (and remembering) the object supplied by the supplier if no prior mapping exists |
java.util.Set<java.lang.String> |
keySet()
set of all keys |
int |
size()
count of name-to-object contained |
void |
sync()
force the persistent backend, if any, to be updated with all live object state |
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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java.util.concurrent.ConcurrentHashMap<java.lang.String,V> map
Constructor Detail |
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public ObjectIdentityMemCache()
public ObjectIdentityMemCache(int cap, float load, int conc)
Method Detail |
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public void close()
ObjectIdentityCache
close
in interface java.io.Closeable
close
in interface ObjectIdentityCache<java.lang.String,V>
public V get(java.lang.String key)
ObjectIdentityCache
get
in interface ObjectIdentityCache<java.lang.String,V>
public V getOrUse(java.lang.String key, Supplier<V> supplierOrNull)
ObjectIdentityCache
getOrUse
in interface ObjectIdentityCache<java.lang.String,V>
public int size()
ObjectIdentityCache
size
in interface ObjectIdentityCache<java.lang.String,V>
public java.util.Set<java.lang.String> keySet()
ObjectIdentityCache
keySet
in interface ObjectIdentityCache<java.lang.String,V>
public void sync()
ObjectIdentityCache
sync
in interface ObjectIdentityCache<java.lang.String,V>
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