| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hadoop.hdfs.security; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.io.Writable; |
| |
| @InterfaceAudience.Private |
| public class BlockAccessToken implements Writable { |
| public static final BlockAccessToken DUMMY_TOKEN = new BlockAccessToken(); |
| private Text tokenID; |
| private Text tokenAuthenticator; |
| |
| public BlockAccessToken() { |
| this(new Text(), new Text()); |
| } |
| |
| public BlockAccessToken(Text tokenID, Text tokenAuthenticator) { |
| this.tokenID = tokenID; |
| this.tokenAuthenticator = tokenAuthenticator; |
| } |
| |
| public Text getTokenID() { |
| return tokenID; |
| } |
| |
| public Text getTokenAuthenticator() { |
| return tokenAuthenticator; |
| } |
| |
| static boolean isEqual(Object a, Object b) { |
| return a == null ? b == null : a.equals(b); |
| } |
| |
| /** {@inheritDoc} */ |
| public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } |
| if (obj instanceof BlockAccessToken) { |
| BlockAccessToken that = (BlockAccessToken) obj; |
| return isEqual(this.tokenID, that.tokenID) |
| && isEqual(this.tokenAuthenticator, that.tokenAuthenticator); |
| } |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| public int hashCode() { |
| return tokenAuthenticator == null ? 0 : tokenAuthenticator.hashCode(); |
| } |
| |
| // /////////////////////////////////////////////// |
| // Writable |
| // /////////////////////////////////////////////// |
| /** |
| */ |
| public void write(DataOutput out) throws IOException { |
| tokenID.write(out); |
| tokenAuthenticator.write(out); |
| } |
| |
| /** |
| */ |
| public void readFields(DataInput in) throws IOException { |
| tokenID.readFields(in); |
| tokenAuthenticator.readFields(in); |
| } |
| |
| } |