content: /*
   * 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.beam.runners.samza;
  
  import static org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.base.Preconditions.checkArgument;
  import static org.apache.samza.config.JobConfig.JOB_CONTAINER_THREAD_POOL_SIZE;
  
  import java.util.HashMap;
  import java.util.Map;
  import org.apache.samza.config.JobConfig;
  import org.apache.samza.config.MapConfig;
  
  /** Validates that the {@link SamzaPipelineOptions} conforms to all the criteria. */
  public class SamzaPipelineOptionsValidator {
    public static void validate(SamzaPipelineOptions opts) {
      checkArgument(opts.getMaxSourceParallelism() >= 1);
      validateBundlingRelatedOptions(opts);
    }
  
    /*
     * Perform some bundling related validation for pipeline option.
     * Visible for testing.
     */
    static void validateBundlingRelatedOptions(SamzaPipelineOptions pipelineOptions) {
      if (pipelineOptions.getMaxBundleSize() > 1) {
        final Map<String, String> configs =
            pipelineOptions.getConfigOverride() == null
                ? new HashMap<>()
                : pipelineOptions.getConfigOverride();
        final JobConfig jobConfig = new JobConfig(new MapConfig(configs));
  
        // Validate that the threadPoolSize is not override in the code
        checkArgument(
            jobConfig.getThreadPoolSize() <= 1,
            JOB_CONTAINER_THREAD_POOL_SIZE
                + " config should be replaced with SamzaPipelineOptions.numThreadsForProcessElement");
      }
    }
  }
  