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c

net.liftweb.util

KeyedCache

class KeyedCache[K, T] extends AnyRef

A simple Read-through cache.

An example of using it with a ProtoUser subclass:

object UserCache extends KeyedCache[Long, User](100, Full(0.75f), (id: Long) => User.find(By(User.id, id)))

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Instance Constructors

  1. new KeyedCache(size: Int, loadFactor: Box[Float], cons: (K) => Box[T])

    size

    the size of the cache

    loadFactor

    the optional Load Factor

    cons

    A function that will take a value of type K and return a Box[T] populated into the cache if the return value is Full.

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
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  2. final def ##: Int
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  3. final def ==(arg0: Any): Boolean
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  4. def apply(key: K): Box[T]

    If the cache contains a value mapped to key then return it, otherwise run cons and add that value to the cache and return it.

  5. final def asInstanceOf[T0]: T0
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  6. val cache: LRU[K, T]
  7. def clone(): AnyRef
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    protected[lang]
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    @throws(classOf[java.lang.CloneNotSupportedException]) @native()
  8. final def eq(arg0: AnyRef): Boolean
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  9. def equals(arg0: AnyRef): Boolean
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  10. def finalize(): Unit
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    @throws(classOf[java.lang.Throwable])
  11. final def getClass(): Class[_ <: AnyRef]
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    @native()
  12. def hashCode(): Int
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    @native()
  13. final def isInstanceOf[T0]: Boolean
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  14. final def ne(arg0: AnyRef): Boolean
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  15. final def notify(): Unit
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    @native()
  16. final def notifyAll(): Unit
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    @native()
  17. def remove(key: K): Unit

    Evict a value from the cache.

  18. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
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  19. def toString(): String
    Definition Classes
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  20. def update(key: K, value: T): Unit

    Update the cache yourself with KeyedCache(1) = "hello"

  21. final def wait(): Unit
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    @throws(classOf[java.lang.InterruptedException])
  22. final def wait(arg0: Long, arg1: Int): Unit
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    @throws(classOf[java.lang.InterruptedException])
  23. final def wait(arg0: Long): Unit
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    @throws(classOf[java.lang.InterruptedException]) @native()

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