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AbstractCustomCommandLine.java
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AbstractCustomCommandLine.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.flink.client.cli;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.configuration.HighAvailabilityOptions;
import org.apache.flink.configuration.UnmodifiableConfiguration;
import org.apache.flink.util.FlinkException;
import org.apache.flink.util.NetUtils;
import org.apache.flink.util.Preconditions;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import java.net.InetSocketAddress;
import static org.apache.flink.client.cli.CliFrontend.setJobManagerAddressInConfig;
/**
* Base class for {@link CustomCommandLine} implementations which specify a JobManager address and
* a ZooKeeper namespace.
*
*/
public abstract class AbstractCustomCommandLine<T> implements CustomCommandLine<T> {
protected final Option zookeeperNamespaceOption = new Option("z", "zookeeperNamespace", true,
"Namespace to create the Zookeeper sub-paths for high availability mode");
protected final Option addressOption = new Option("m", "jobmanager", true,
"Address of the JobManager (master) to which to connect. " +
"Use this flag to connect to a different JobManager than the one specified in the configuration.");
protected final Configuration configuration;
protected AbstractCustomCommandLine(Configuration configuration) {
this.configuration = new UnmodifiableConfiguration(Preconditions.checkNotNull(configuration));
}
public Configuration getConfiguration() {
return configuration;
}
@Override
public void addRunOptions(Options baseOptions) {
// nothing to add here
}
@Override
public void addGeneralOptions(Options baseOptions) {
baseOptions.addOption(addressOption);
baseOptions.addOption(zookeeperNamespaceOption);
}
/**
* Override configuration settings by specified command line options.
*
* @param commandLine containing the overriding values
* @return Effective configuration with the overridden configuration settings
*/
protected Configuration applyCommandLineOptionsToConfiguration(CommandLine commandLine) throws FlinkException {
final Configuration resultingConfiguration = new Configuration(configuration);
if (commandLine.hasOption(addressOption.getOpt())) {
String addressWithPort = commandLine.getOptionValue(addressOption.getOpt());
InetSocketAddress jobManagerAddress = NetUtils.parseHostPortAddress(addressWithPort);
setJobManagerAddressInConfig(resultingConfiguration, jobManagerAddress);
}
if (commandLine.hasOption(zookeeperNamespaceOption.getOpt())) {
String zkNamespace = commandLine.getOptionValue(zookeeperNamespaceOption.getOpt());
resultingConfiguration.setString(HighAvailabilityOptions.HA_CLUSTER_ID, zkNamespace);
}
return resultingConfiguration;
}
}