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.flink.translation.types;
  
  import static org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.base.Preconditions.checkNotNull;
  
  import org.apache.beam.runners.core.construction.SerializablePipelineOptions;
  import org.apache.beam.sdk.coders.Coder;
  import org.apache.beam.sdk.options.PipelineOptions;
  import org.apache.flink.api.common.ExecutionConfig;
  import org.apache.flink.api.common.typeinfo.AtomicType;
  import org.apache.flink.api.common.typeinfo.TypeInformation;
  import org.apache.flink.api.common.typeutils.TypeComparator;
  import org.apache.flink.api.common.typeutils.TypeSerializer;
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  /**
   * Flink {@link org.apache.flink.api.common.typeinfo.TypeInformation} for Beam {@link
   * org.apache.beam.sdk.coders.Coder}s.
   */
  @SuppressWarnings({
    "rawtypes" // TODO(https://github.com/apache/beam/issues/20447)
  })
  public class CoderTypeInformation<T> extends TypeInformation<T> implements AtomicType<T> {
  
    private final Coder<T> coder;
    private final SerializablePipelineOptions pipelineOptions;
  
    public CoderTypeInformation(Coder<T> coder, PipelineOptions pipelineOptions) {
      this(coder, new SerializablePipelineOptions(pipelineOptions));
    }
  
    public CoderTypeInformation(Coder<T> coder, SerializablePipelineOptions pipelineOptions) {
      checkNotNull(coder);
      checkNotNull(pipelineOptions);
      this.coder = coder;
      this.pipelineOptions = pipelineOptions;
    }
  
    public Coder<T> getCoder() {
      return coder;
    }
  
    @Override
    public boolean isBasicType() {
      return false;
    }
  
    @Override
    public boolean isTupleType() {
      return false;
    }
  
    @Override
    public int getArity() {
      return 1;
    }
  
    @Override
    @SuppressWarnings("unchecked")
    public Class<T> getTypeClass() {
      return (Class<T>) coder.getEncodedTypeDescriptor().getRawType();
    }
  
    @Override
    public boolean isKeyType() {
      return true;
    }
  
    @Override
    public TypeSerializer<T> createSerializer(ExecutionConfig config) {
      return new CoderTypeSerializer<>(coder, pipelineOptions);
    }
  
    @Override
    public int getTotalFields() {
      return 2;
    }
  
    /**
     * Creates a new {@link CoderTypeInformation} with {@link PipelineOptions}, that can be used for
     * {@link org.apache.beam.sdk.io.FileSystems} registration.
     *
     * @see <a href="https://issues.apache.org/jira/browse/BEAM-8577">Jira issue.</a>
     * @param pipelineOptions Options of current pipeline.
     * @return New type information.
     */
    public CoderTypeInformation<T> withPipelineOptions(PipelineOptions pipelineOptions) {
      return new CoderTypeInformation<>(getCoder(), pipelineOptions);
    }
  
    @Override
    public boolean equals(@Nullable Object o) {
      if (this == o) {
        return true;
      }
      if (o == null || getClass() != o.getClass()) {
        return false;
      }
  
      CoderTypeInformation that = (CoderTypeInformation) o;
  
      return coder.equals(that.coder);
    }
  
    @Override
    public int hashCode() {
      return coder.hashCode();
    }
  
    @Override
    public boolean canEqual(Object obj) {
      return obj instanceof CoderTypeInformation;
    }
  
    @Override
    public String toString() {
      return "CoderTypeInformation{coder=" + coder + '}';
    }
  
    @Override
    public TypeComparator<T> createComparator(
        boolean sortOrderAscending, ExecutionConfig executionConfig) {
      throw new UnsupportedOperationException("Non-encoded values cannot be compared directly.");
    }
  }
  