001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase.util; 019 020import org.apache.yetus.audience.InterfaceAudience; 021 022/** 023 * Utility methods for dealing with Collections, including treating null collections as empty. 024 * @deprecated Since 2.0.6/2.1.3/2.2.0 025 */ 026@InterfaceAudience.Private 027// HBASE-20215: Marking as deprecated. Although audience is private, there might be references to 028// this class on some client classpath. 029@Deprecated 030public class CollectionUtils extends ConcurrentMapUtils { 031 032}