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.util;
  
  import java.io.IOException;
  import org.apache.beam.model.pipeline.v1.RunnerApi;
  import org.apache.beam.runners.fnexecution.wire.WireCoders;
  import org.apache.beam.sdk.util.construction.graph.PipelineNode;
  import org.apache.beam.sdk.values.PCollection;
  import org.apache.beam.sdk.values.WindowedValues;
  
  /** Utilities for pipeline translation. */
  @SuppressWarnings({
    "rawtypes" // TODO(https://github.com/apache/beam/issues/20447)
  })
  public final class SamzaPipelineTranslatorUtils {
    private SamzaPipelineTranslatorUtils() {}
  
    public static WindowedValues.WindowedValueCoder instantiateCoder(
        String collectionId, RunnerApi.Components components) {
      PipelineNode.PCollectionNode collectionNode =
          PipelineNode.pCollection(collectionId, components.getPcollectionsOrThrow(collectionId));
      try {
        return (WindowedValues.WindowedValueCoder)
            WireCoders.instantiateRunnerWireCoder(collectionNode, components);
      } catch (IOException e) {
        throw new RuntimeException(e);
      }
    }
  
    /**
     * Escape the non-alphabet chars in the name so we can create a physical stream out of it.
     *
     * <p>This escape will replace any non-alphanumeric characters other than "-" and "_" with "_"
     * including whitespace.
     */
    public static String escape(String name) {
      return name.replaceFirst(".*:([a-zA-Z#0-9]+).*", "$1").replaceAll("[^A-Za-z0-9_-]", "_");
    }
  
    public static PCollection.IsBounded isBounded(RunnerApi.PCollection pCollection) {
      return pCollection.getIsBounded() == RunnerApi.IsBounded.Enum.BOUNDED
          ? PCollection.IsBounded.BOUNDED
          : PCollection.IsBounded.UNBOUNDED;
    }
  }
  