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Lift Framework example source code file (LRU.scala)
The Lift Framework LRU.scala source code/* * Copyright 2006-2011 WorldWide Conferencing, LLC * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package net.liftweb package util import common._ /** * LRU Cache wrapping {@link org.apache.commons.collections.map.LRUMap} * * @param size the maximum number of Elements allowed in the LRU map * @param loadFactor the Load Factor to construct our LRU with. */ class LRU[KeyType, ValueType](size: Int, loadFactor: Box[Float]) extends net.liftweb.common.LRUMap[KeyType, ValueType](size, loadFactor) { // Alternate constructor that gives you no load factor. def this(size: Int) = this(size, Empty) /* private val map = loadFactor match { case Full(lf) => new LRUMap(size, lf) case _ => new LRUMap(size) } def update(k: KeyType, v: ValueType) { map.put(k, v) } def remove(k: KeyType) = map.remove(k) def get(k: KeyType): Box[ValueType] = if (map.containsKey(k)) Full(this.apply(k)) else Empty def apply(k: KeyType): ValueType = map.get(k).asInstanceOf[ValueType] def contains(k: KeyType): Boolean = map.containsKey(k) def keys: List[KeyType] = map.keySet().toList.map(_.asInstanceOf[KeyType]) */ } Other Lift Framework examples (source code examples)Here is a short list of links related to this Lift Framework LRU.scala source code file: |
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