| /* |
| * 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.yarn.server.resourcemanager.recovery; |
| |
| |
| import org.apache.hadoop.classification.InterfaceStability.Unstable; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.security.token.delegation.DelegationKey; |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ReservationAllocationStateProto; |
| import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier; |
| import org.apache.hadoop.yarn.server.records.Version; |
| import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.AMRMTokenSecretManagerState; |
| import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationAttemptStateData; |
| import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData; |
| |
| import java.security.PrivateKey; |
| import java.security.cert.X509Certificate; |
| |
| @Unstable |
| public class NullRMStateStore extends RMStateStore { |
| |
| @Override |
| protected void initInternal(Configuration conf) throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| protected void startInternal() throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| protected void closeInternal() throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| public synchronized long getAndIncrementEpoch() throws Exception { |
| return 0L; |
| } |
| |
| @Override |
| public RMState loadState() throws Exception { |
| throw new UnsupportedOperationException("Cannot load state from null store"); |
| } |
| |
| @Override |
| protected void storeApplicationStateInternal(ApplicationId appId, |
| ApplicationStateData appStateData) throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| protected void storeApplicationAttemptStateInternal(ApplicationAttemptId attemptId, |
| ApplicationAttemptStateData attemptStateData) throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| protected void removeApplicationStateInternal(ApplicationStateData appState) |
| throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| public void storeRMDelegationTokenState( |
| RMDelegationTokenIdentifier rmDTIdentifier, Long renewDate) |
| throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| public void removeRMDelegationTokenState(RMDelegationTokenIdentifier rmDTIdentifier) |
| throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| protected void updateRMDelegationTokenState( |
| RMDelegationTokenIdentifier rmDTIdentifier, Long renewDate) |
| throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| public void storeRMDTMasterKeyState(DelegationKey delegationKey) throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| protected void storeReservationState( |
| ReservationAllocationStateProto reservationAllocation, String planName, |
| String reservationIdName) throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| protected void removeReservationState(String planName, |
| String reservationIdName) throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| public void removeRMDTMasterKeyState(DelegationKey delegationKey) throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| protected void updateApplicationStateInternal(ApplicationId appId, |
| ApplicationStateData appStateData) throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| protected void updateApplicationAttemptStateInternal(ApplicationAttemptId attemptId, |
| ApplicationAttemptStateData attemptStateData) throws Exception { |
| } |
| |
| @Override |
| public synchronized void removeApplicationAttemptInternal( |
| ApplicationAttemptId attemptId) throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| public void checkVersion() throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| protected Version loadVersion() throws Exception { |
| // Do nothing |
| return null; |
| } |
| |
| @Override |
| protected void storeVersion() throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| protected Version getCurrentVersion() { |
| // Do nothing |
| return null; |
| } |
| |
| @Override |
| public void storeOrUpdateAMRMTokenSecretManagerState( |
| AMRMTokenSecretManagerState state, boolean isUpdate) { |
| //DO Nothing |
| } |
| |
| @Override |
| public void deleteStore() throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| public void removeApplication(ApplicationId removeAppId) throws Exception { |
| // Do nothing |
| } |
| |
| @Override |
| protected void storeProxyCACertState( |
| X509Certificate caCert, PrivateKey caPrivateKey) throws Exception { |
| // Do nothing |
| } |
| } |