/**
* 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.tez.client;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ApplicationReport;
import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
import org.apache.hadoop.yarn.client.api.YarnClient;
import org.apache.hadoop.yarn.client.api.YarnClientApplication;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.tez.common.ReflectionUtils;
import org.apache.tez.dag.api.TezConfiguration;
import org.apache.tez.dag.api.TezException;
import org.apache.tez.dag.api.TezReflectionException;
import org.apache.tez.dag.api.TezUncheckedException;
@Private
public abstract class FrameworkClient {
public static FrameworkClient createFrameworkClient(TezConfiguration tezConf) {
boolean isLocal = tezConf.getBoolean(TezConfiguration.TEZ_LOCAL_MODE, TezConfiguration.TEZ_LOCAL_MODE_DEFAULT);
if (isLocal) {
try {
return ReflectionUtils.createClazzInstance("org.apache.tez.client.LocalClient");
} catch (TezReflectionException e) {
throw new TezUncheckedException("Fail to create LocalClient", e);
}
}
return new TezYarnClient(YarnClient.createYarnClient());
}
/**
* Initialize the framework client. </p>
* <p/>
* The actual implementation of FramworkClient may modify the configuration instances that are
* passed in to configure required functionality
*
* @param tezConf the {@link org.apache.tez.dag.api.TezConfiguration} instance being used by the
* cluster
* @param yarnConf the {@link org.apache.hadoop.yarn.conf.YarnConfiguration} instance being used
* by the cluster
*/
public abstract void init(TezConfiguration tezConf, YarnConfiguration yarnConf);
public abstract void start();
public abstract void stop();
public abstract void close() throws IOException;
public abstract YarnClientApplication createApplication() throws YarnException, IOException;
public abstract ApplicationId submitApplication(ApplicationSubmissionContext appSubmissionContext)
throws YarnException, IOException, TezException;
public abstract void killApplication(ApplicationId appId) throws YarnException, IOException;
public abstract ApplicationReport getApplicationReport(ApplicationId appId) throws YarnException, IOException;
public abstract boolean isRunning() throws IOException;
}