| /** |
| * 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.token.block; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import org.apache.hadoop.io.Writable; |
| import org.apache.hadoop.io.WritableFactories; |
| import org.apache.hadoop.io.WritableFactory; |
| |
| /** |
| * Object for passing block keys |
| */ |
| public class ExportedBlockKeys implements Writable { |
| public static final ExportedBlockKeys DUMMY_KEYS = new ExportedBlockKeys(); |
| private boolean isBlockTokenEnabled; |
| private long keyUpdateInterval; |
| private long tokenLifetime; |
| private BlockKey currentKey; |
| private BlockKey[] allKeys; |
| |
| public ExportedBlockKeys() { |
| this(false, 0, 0, new BlockKey(), new BlockKey[0]); |
| } |
| |
| ExportedBlockKeys(boolean isBlockTokenEnabled, long keyUpdateInterval, |
| long tokenLifetime, BlockKey currentKey, BlockKey[] allKeys) { |
| this.isBlockTokenEnabled = isBlockTokenEnabled; |
| this.keyUpdateInterval = keyUpdateInterval; |
| this.tokenLifetime = tokenLifetime; |
| this.currentKey = currentKey == null ? new BlockKey() : currentKey; |
| this.allKeys = allKeys == null ? new BlockKey[0] : allKeys; |
| } |
| |
| public boolean isBlockTokenEnabled() { |
| return isBlockTokenEnabled; |
| } |
| |
| public long getKeyUpdateInterval() { |
| return keyUpdateInterval; |
| } |
| |
| public long getTokenLifetime() { |
| return tokenLifetime; |
| } |
| |
| public BlockKey getCurrentKey() { |
| return currentKey; |
| } |
| |
| public BlockKey[] getAllKeys() { |
| return allKeys; |
| } |
| |
| // /////////////////////////////////////////////// |
| // Writable |
| // /////////////////////////////////////////////// |
| static { // register a ctor |
| WritableFactories.setFactory(ExportedBlockKeys.class, |
| new WritableFactory() { |
| public Writable newInstance() { |
| return new ExportedBlockKeys(); |
| } |
| }); |
| } |
| |
| /** |
| */ |
| public void write(DataOutput out) throws IOException { |
| out.writeBoolean(isBlockTokenEnabled); |
| out.writeLong(keyUpdateInterval); |
| out.writeLong(tokenLifetime); |
| currentKey.write(out); |
| out.writeInt(allKeys.length); |
| for (int i = 0; i < allKeys.length; i++) { |
| allKeys[i].write(out); |
| } |
| } |
| |
| /** |
| */ |
| public void readFields(DataInput in) throws IOException { |
| isBlockTokenEnabled = in.readBoolean(); |
| keyUpdateInterval = in.readLong(); |
| tokenLifetime = in.readLong(); |
| currentKey.readFields(in); |
| this.allKeys = new BlockKey[in.readInt()]; |
| for (int i = 0; i < allKeys.length; i++) { |
| allKeys[i] = new BlockKey(); |
| allKeys[i].readFields(in); |
| } |
| } |
| |
| } |