package com.thinkbiganalytics.spark.shell;
/*-
* #%L
* Spark Shell Core
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* Licensed 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.
* #L%
*/
import com.thinkbiganalytics.spark.conf.model.SparkShellProperties;
import com.thinkbiganalytics.spark.conf.model.SparkShellServerProperties;
import com.thinkbiganalytics.spark.rest.model.RegistrationRequest;
import java.util.Optional;
import javax.annotation.Nonnull;
/**
* Provides information on an externally-managed Spark Shell server process.
*/
public class ServerProcessManager implements SparkShellProcessManager {
/**
* Spark Shell process
*/
private final SparkShellProcess process;
/**
* Constructs a {@code ServerProcessManager} with the specified properties.
*
* @param properties the Spark Shell properties
*/
public ServerProcessManager(@Nonnull final SparkShellProperties properties) {
process = new SparkShellProcess() {
@Nonnull
@Override
public String getHostname() {
return Optional.ofNullable(properties.getServer()).map(SparkShellServerProperties::getHost).orElse("localhost");
}
@Override
public int getPort() {
return Optional.ofNullable(properties.getServer()).map(SparkShellServerProperties::getPort).orElse(8450);
}
};
}
@Nonnull
@Override
public SparkShellProcess getProcessForUser(@Nonnull final String username) throws InterruptedException {
return process;
}
@Nonnull
@Override
public SparkShellProcess getSystemProcess() throws InterruptedException {
return process;
}
@Override
public void register(@Nonnull final String clientId, @Nonnull final String clientSecret, @Nonnull final RegistrationRequest registration) {
// ignored
}
@Override
public void start(@Nonnull final String username) throws IllegalStateException {
// ignored
}
}