org.apache.hadoop.hdfs.security.token.block.ExportedBlockKeys Maven / Gradle / Ivy
/**
* 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.classification.InterfaceAudience;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.io.WritableFactories;
import org.apache.hadoop.io.WritableFactory;
/**
* Object for passing block keys
*/
@InterfaceAudience.Private
public class ExportedBlockKeys implements Writable {
public static final ExportedBlockKeys DUMMY_KEYS = new ExportedBlockKeys();
private boolean isBlockTokenEnabled;
private long keyUpdateInterval;
private long tokenLifetime;
private final BlockKey currentKey;
private BlockKey[] allKeys;
public ExportedBlockKeys() {
this(false, 0, 0, new BlockKey(), new BlockKey[0]);
}
public 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() {
@Override
public Writable newInstance() {
return new ExportedBlockKeys();
}
});
}
/**
*/
@Override
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);
}
}
/**
*/
@Override
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);
}
}
}