1 /* 2 * Copyright (C) 2007 The Guava Authors 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 their referents. 21 * 22 * @see FinalizableReferenceQueue 23 * @author Bob Lee 24 * @since 2.0 (imported from Google Collections Library) 25 */ 26 public interface FinalizableReference { 27 /** 28 * Invoked on a background thread after the referent has been garbage collected unless security 29 * restrictions prevented starting a background thread, in which case this method is invoked when 30 * new references are created. 31 */ 32 void finalizeReferent(); 33 } 34
