Packages

abstract class Cache[Key, Value] extends AnyRef

A cache. Used for caching values.

The strategy used for eviction is implementation-dependent.

Key

The type of the key used to look up values.

Value

The type of the cached value.

Linear Supertypes
AnyRef, Any
Known Subclasses
ConcurrentCache, NoCache
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Visibility
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Instance Constructors

  1. new Cache()

Abstract Value Members

  1. abstract def getIfPresent(key: Key): Option[Value]

    Retrieve a value by key, if it's present.

  2. abstract def invalidateAll(): Unit

    Removes all cached entries.

  3. abstract def put(key: Key, value: Value): Unit

    Put a value into the cache.

    Put a value into the cache.

    This may cause values to be evicted at some point in the future.

  4. abstract def putAll(mappings: Map[Key, Value]): Unit

    Put all the entries of mappings into the cache.

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##: Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.CloneNotSupportedException]) @native() @IntrinsicCandidate()
  6. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  7. def equals(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef → Any
  8. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @IntrinsicCandidate()
  9. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @IntrinsicCandidate()
  10. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  11. 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.

  12. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  13. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @IntrinsicCandidate()
  14. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @IntrinsicCandidate()
  15. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
    AnyRef
  16. def toString(): String
    Definition Classes
    AnyRef → Any
  17. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  18. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()
  19. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])

Deprecated Value Members

  1. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.Throwable]) @Deprecated @Deprecated
    Deprecated

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