/**
* 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 java.io.IOException;
import java.util.List;
import java.util.Map;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ApplicationMaster;
import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
public interface Store extends NodeStore, ApplicationsStore {
public interface ApplicationInfo {
public ApplicationMaster getApplicationMaster();
public Container getMasterContainer();
public ApplicationSubmissionContext getApplicationSubmissionContext();
public List<Container> getContainers();
}
public interface RMState {
public List<RMNode> getStoredNodeManagers() ;
public Map<ApplicationId, ApplicationInfo> getStoredApplications();
public NodeId getLastLoggedNodeId();
}
public RMState restore() throws IOException;
public void doneWithRecovery();
}