001 /* 002 * Copyright (C) 2010 The Guava Authors 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017 package com.google.common.collect; 018 019 import com.google.common.annotations.Beta; 020 021 import java.util.concurrent.Executor; 022 023 import javax.annotation.Nullable; 024 025 /** 026 * A collection of common eviction listeners. 027 * 028 * @author Charles Fry 029 * @since 7.0 030 * @deprecated Caching functionality in {@code MapMaker} is being moved to 031 * {@link com.google.common.cache.CacheBuilder}. Functionality similar to 032 * {@code EvictionListeners} is provided by {@link 033 * com.google.common.cache.RemovalListeners}. <b>This class is scheduled for 034 * deletion from Guava in Guava release 11.0.</b> 035 */ 036 @Beta 037 @Deprecated 038 public 039 final class EvictionListeners { 040 041 private EvictionListeners() {} 042 043 /** 044 * Returns an asynchronous {@code MapEvictionListener} which processes all 045 * eviction notifications asynchronously, using {@code executor}. 046 * 047 * @param listener the backing listener 048 * @param executor the executor with which eviciton notifications are 049 * asynchronously executed 050 * @deprecated Caching functionality in {@code MapMaker} is being moved to 051 * {@link com.google.common.cache.CacheBuilder}. Functionality similar to 052 * {@code EvictionListeners#asynchronous} is provided by 053 * {@link com.google.common.cache.RemovalListeners#asynchronous}. 054 * <b>This method is scheduled for deletion from Guava in Guava release 11.0.</b> 055 */ 056 @Deprecated 057 public static <K, V> MapEvictionListener<K, V> asynchronous( 058 final MapEvictionListener<K, V> listener, final Executor executor) { 059 return new MapEvictionListener<K, V>() { 060 @Override 061 public void onEviction(@Nullable final K key, @Nullable final V value) { 062 executor.execute(new Runnable() { 063 @Override 064 public void run() { 065 listener.onEviction(key, value); 066 } 067 }); 068 } 069 }; 070 } 071 072 }