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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.hudi.client.embedded;

import org.apache.hudi.common.engine.EngineProperty;
import org.apache.hudi.common.engine.HoodieEngineContext;
import org.apache.hudi.common.util.Option;
import org.apache.hudi.config.HoodieWriteConfig;

import java.io.IOException;

/**
 * Helper class to instantiate embedded timeline service.
 */
public class EmbeddedTimelineServerHelper {

  /**
   * Instantiate Embedded Timeline Server.
   * @param context Hoodie Engine Context
   * @param config     Hoodie Write Config
   * @return TimelineServer if configured to run
   * @throws IOException
   */
  public static EmbeddedTimelineService createEmbeddedTimelineService(
      HoodieEngineContext context, HoodieWriteConfig config) throws IOException {
    Option hostAddr = context.getProperty(EngineProperty.EMBEDDED_SERVER_HOST);
    EmbeddedTimelineService timelineService = EmbeddedTimelineService.getOrStartEmbeddedTimelineService(context, hostAddr.orElse(null), config);
    updateWriteConfigWithTimelineServer(timelineService, config);
    return timelineService;
  }

  /**
   * Adjusts hoodie write config with timeline server settings.
   * @param timelineServer Embedded Timeline Server
   * @param config  Hoodie Write Config
   */
  public static void updateWriteConfigWithTimelineServer(EmbeddedTimelineService timelineServer,
                                                         HoodieWriteConfig config) {
    // Allow executor to find this newly instantiated timeline service
    if (config.isEmbeddedTimelineServerEnabled()) {
      config.setViewStorageConfig(timelineServer.getRemoteFileSystemViewConfig());
    }
  }
}




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