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.client; 019 020import java.util.Map; 021import org.apache.yetus.audience.InterfaceAudience; 022 023@InterfaceAudience.Public 024public interface Attributes { 025 /** 026 * Sets an attribute. In case value = null attribute is removed from the attributes map. Attribute 027 * names starting with _ indicate system attributes. 028 * @param name attribute name 029 * @param value attribute value 030 */ 031 Attributes setAttribute(String name, byte[] value); 032 033 /** 034 * Gets an attribute 035 * @param name attribute name 036 * @return attribute value if attribute is set, <tt>null</tt> otherwise 037 */ 038 byte[] getAttribute(String name); 039 040 /** 041 * Gets all attributes 042 * @return unmodifiable map of all attributes 043 */ 044 Map<String, byte[]> getAttributesMap(); 045}