/
NMNullStateStoreService.java
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/
NMNullStateStoreService.java
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/**
* 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.nodemanager.recovery;
import java.io.IOException;
import java.util.List;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.proto.YarnProtos.LocalResourceProto;
import org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.ContainerManagerApplicationProto;
import org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.DeletionServiceDeleteTaskProto;
import org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.LocalizedResourceProto;
import org.apache.hadoop.yarn.proto.YarnServerNodemanagerRecoveryProtos.LogDeleterProto;
import org.apache.hadoop.yarn.server.api.records.MasterKey;
// The state store to use when state isn't being stored
public class NMNullStateStoreService extends NMStateStoreService {
public NMNullStateStoreService() {
super(NMNullStateStoreService.class.getName());
}
@Override
public boolean canRecover() {
return false;
}
@Override
public RecoveredApplicationsState loadApplicationsState() throws IOException {
throw new UnsupportedOperationException(
"Recovery not supported by this state store");
}
@Override
public void storeApplication(ApplicationId appId,
ContainerManagerApplicationProto p) throws IOException {
}
@Override
public void storeFinishedApplication(ApplicationId appId) {
}
@Override
public void removeApplication(ApplicationId appId) throws IOException {
}
@Override
public List<RecoveredContainerState> loadContainersState()
throws IOException {
throw new UnsupportedOperationException(
"Recovery not supported by this state store");
}
@Override
public void storeContainer(ContainerId containerId,
StartContainerRequest startRequest) throws IOException {
}
@Override
public void storeContainerDiagnostics(ContainerId containerId,
StringBuilder diagnostics) throws IOException {
}
@Override
public void storeContainerLaunched(ContainerId containerId)
throws IOException {
}
@Override
public void storeContainerResourceChanged(ContainerId containerId,
Resource capability) throws IOException {
}
@Override
public void storeContainerKilled(ContainerId containerId)
throws IOException {
}
@Override
public void storeContainerCompleted(ContainerId containerId, int exitCode)
throws IOException {
}
@Override
public void removeContainer(ContainerId containerId) throws IOException {
}
@Override
public RecoveredLocalizationState loadLocalizationState()
throws IOException {
throw new UnsupportedOperationException(
"Recovery not supported by this state store");
}
@Override
public void startResourceLocalization(String user, ApplicationId appId,
LocalResourceProto proto, Path localPath) throws IOException {
}
@Override
public void finishResourceLocalization(String user, ApplicationId appId,
LocalizedResourceProto proto) throws IOException {
}
@Override
public void removeLocalizedResource(String user, ApplicationId appId,
Path localPath) throws IOException {
}
@Override
public RecoveredDeletionServiceState loadDeletionServiceState()
throws IOException {
throw new UnsupportedOperationException(
"Recovery not supported by this state store");
}
@Override
public void storeDeletionTask(int taskId,
DeletionServiceDeleteTaskProto taskProto) throws IOException {
}
@Override
public void removeDeletionTask(int taskId) throws IOException {
}
@Override
public RecoveredNMTokensState loadNMTokensState() throws IOException {
throw new UnsupportedOperationException(
"Recovery not supported by this state store");
}
@Override
public void storeNMTokenCurrentMasterKey(MasterKey key)
throws IOException {
}
@Override
public void storeNMTokenPreviousMasterKey(MasterKey key)
throws IOException {
}
@Override
public void storeNMTokenApplicationMasterKey(ApplicationAttemptId attempt,
MasterKey key) throws IOException {
}
@Override
public void removeNMTokenApplicationMasterKey(ApplicationAttemptId attempt)
throws IOException {
}
@Override
public RecoveredContainerTokensState loadContainerTokensState()
throws IOException {
throw new UnsupportedOperationException(
"Recovery not supported by this state store");
}
@Override
public void storeContainerTokenCurrentMasterKey(MasterKey key)
throws IOException {
}
@Override
public void storeContainerTokenPreviousMasterKey(MasterKey key)
throws IOException {
}
@Override
public void storeContainerToken(ContainerId containerId,
Long expirationTime) throws IOException {
}
@Override
public void removeContainerToken(ContainerId containerId)
throws IOException {
}
@Override
public RecoveredLogDeleterState loadLogDeleterState() throws IOException {
throw new UnsupportedOperationException(
"Recovery not supported by this state store");
}
@Override
public void storeLogDeleter(ApplicationId appId, LogDeleterProto proto)
throws IOException {
}
@Override
public void removeLogDeleter(ApplicationId appId) throws IOException {
}
@Override
protected void initStorage(Configuration conf) throws IOException {
}
@Override
protected void startStorage() throws IOException {
}
@Override
protected void closeStorage() throws IOException {
}
}