/**
* 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.hive.thrift;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager.DelegationTokenInformation;
/**
* Default in-memory token store implementation.
*/
public class MemoryTokenStore implements TokenStoreDelegationTokenSecretManager.TokenStore {
private final java.util.concurrent.ConcurrentHashMap<Integer, String> masterKeys
= new java.util.concurrent.ConcurrentHashMap<Integer, String>();
private final java.util.concurrent.ConcurrentHashMap<DelegationTokenIdentifier, DelegationTokenInformation> tokens
= new java.util.concurrent.ConcurrentHashMap<DelegationTokenIdentifier, DelegationTokenInformation>();
private final AtomicInteger masterKeySeq = new AtomicInteger();
@Override
public void setConf(Configuration conf) {
}
@Override
public Configuration getConf() {
return null;
}
@Override
public int addMasterKey(String s) {
int keySeq = masterKeySeq.getAndIncrement();
masterKeys.putIfAbsent(keySeq, s);
return keySeq;
}
@Override
public void updateMasterKey(int keySeq, String s) {
masterKeys.put(keySeq, s);
}
@Override
public boolean removeMasterKey(int keySeq) {
return masterKeys.remove(keySeq) != null;
}
@Override
public String[] getMasterKeys() {
return masterKeys.values().toArray(new String[0]);
}
@Override
public boolean addToken(DelegationTokenIdentifier tokenIdentifier,
DelegationTokenInformation token) {
DelegationTokenInformation tokenInfo = tokens.putIfAbsent(tokenIdentifier, token);
return (tokenInfo == null);
}
@Override
public boolean removeToken(DelegationTokenIdentifier tokenIdentifier) {
DelegationTokenInformation tokenInfo = tokens.remove(tokenIdentifier);
return tokenInfo != null;
}
@Override
public DelegationTokenInformation getToken(DelegationTokenIdentifier tokenIdentifier) {
return tokens.get(tokenIdentifier);
}
@Override
public List<DelegationTokenIdentifier> getAllDelegationTokenIdentifiers() {
List<DelegationTokenIdentifier> result = new java.util.ArrayList<DelegationTokenIdentifier>(
tokens.size());
for (DelegationTokenIdentifier id : tokens.keySet()) {
result.add(id);
}
return result;
}
}