Class

net.liftweb.util

KeyedCache

Related Doc: package util

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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

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

final def !=(arg0: Any): Boolean

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final def ##(): Int

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final def ==(arg0: Any): Boolean

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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.
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.
final def asInstanceOf[T0]: T0

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val cache: LRU[K, T]
def clone(): AnyRef

Attributes
protected[java.lang]
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@throws( ... )
final def eq(arg0: AnyRef): Boolean

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def equals(arg0: Any): Boolean

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def finalize(): Unit

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@throws( classOf[java.lang.Throwable] )
final def getClass(): Class[_]

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def hashCode(): Int

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final def isInstanceOf[T0]: Boolean

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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 remove(key: K): Unit

Evict a value from the cache.
final def synchronized[T0](arg0: ⇒ T0): T0

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def toString(): String

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def update(key: K, value: T): Unit

Update the cache yourself with KeyedCache(1) = "hello"
final def wait(): Unit

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final def wait(arg0: Long, arg1: Int): Unit

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final def wait(arg0: Long): Unit

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