1 /* 2 * Copyright (C) 2007 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.common.base; 18 19 /** 20 * Implemented by references that have code to run after garbage collection of 21 * their referents. 22 * 23 * @see FinalizableReferenceQueue 24 * @author Bob Lee 25 * @since 2010.01.04 <b>stable</b> (imported from Google Collections Library) 26 */ 27 public interface FinalizableReference { 28 29 /** 30 * Invoked on a background thread after the referent has been garbage 31 * collected unless security restrictions prevented starting a background 32 * thread, in which case this method is invoked when new references 33 * are created. 34 */ 35 void finalizeReferent(); 36 } 37
