final class NoCache[Key, Value] extends ConcurrentCache[Key, Value]
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- def getIfPresent(key: Key): Option[Value]
Retrieve a value by key, if it's present.
- def getOrAcquire(key: Key, acquire: (Key) => Value): Value
Retrieve a value by key if it's present.
Retrieve a value by key if it's present. If there is no value, atomically computes the value using the provided function, writes it to the cache, and returns it.
- Definition Classes
- NoCache → ConcurrentCache
- def hashCode(): Int
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- @native() @HotSpotIntrinsicCandidate()
- def invalidateAll(): Unit
Removes all cached entries.
- final def isInstanceOf[T0]: Boolean
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- Any
- def mapValues[NewValue](mapAfterReading: (Value) => NewValue, mapBeforeWriting: (NewValue) => Option[Value]): Cache[Key, NewValue]
Transform values when reading from or writing to the cache.
Transform values when reading from or writing to the cache.
Optionally allows the mapping to discard values by returning scala.None when transforming before writing.
- NewValue
The new value type.
- mapAfterReading
Transform values after reading.
- mapBeforeWriting
Transform values before writing. Discards the value if the result is scala.None.
- returns
A wrapped cache, backed by this cache.
- Definition Classes
- Cache
- final def ne(arg0: AnyRef): Boolean
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- final def notify(): Unit
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- final def notifyAll(): Unit
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- def put(key: Key, value: Value): Unit
Put a value into the cache.
- def putAll(mappings: Map[Key, Value]): Unit
Put all the entries of
mappingsinto the cache. - final def synchronized[T0](arg0: => T0): T0
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- def toString(): String
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- final def wait(arg0: Long, arg1: Int): Unit
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- final def wait(): Unit
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