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.sdk.extensions.protobuf;
  
  import com.google.protobuf.Duration;
  import com.google.protobuf.Timestamp;
  import org.apache.beam.sdk.schemas.Schema;
  import org.apache.beam.sdk.schemas.Schema.FieldType;
  import org.apache.beam.sdk.schemas.Schema.LogicalType;
  import org.apache.beam.sdk.schemas.logicaltypes.PassThroughLogicalType;
  import org.apache.beam.sdk.values.Row;
  
  /** A set of {@link LogicalType} classes to represent protocol buffer types. */
  @SuppressWarnings({
    "nullness" // TODO(https://github.com/apache/beam/issues/20497)
  })
  public class ProtoSchemaLogicalTypes {
  
    /** Compatible schema with the row schema of NanosDuration and NanosInstant. */
    private static final Schema SCHEMA =
        Schema.builder().addInt64Field("seconds").addInt32Field("nanos").build();
  
    public static class TimestampConvert {
  
      /** ByteBuddy conversion for Timestamp to NanosInstant base type. */
      public static Row toRow(Timestamp input) {
        return Row.withSchema(SCHEMA).addValues(input.getSeconds(), input.getNanos()).build();
      }
  
      /** ByteBuddy conversion for NanosInstant base type to Timestamp. */
      public static Timestamp toTimestamp(Row row) {
        return Timestamp.newBuilder().setSeconds(row.getInt64(0)).setNanos(row.getInt32(1)).build();
      }
    }
  
    public static class DurationConvert {
      /** ByteBuddy conversion for Duration to NanosDuration base type. */
      public static Row toRow(Duration input) {
        return Row.withSchema(SCHEMA).addValues(input.getSeconds(), input.getNanos()).build();
      }
  
      /** ByteBuddy conversion for NanosDuration base type to Duration. */
      public static Duration toDuration(Row row) {
        return Duration.newBuilder().setSeconds(row.getInt64(0)).setNanos(row.getInt32(1)).build();
      }
    }
  
    /** A UInt32 type. */
    public static class UInt32 extends PassThroughLogicalType<Integer> {
      public static final String IDENTIFIER = "Uint32";
  
      UInt32() {
        super(IDENTIFIER, FieldType.STRING, "", FieldType.INT32);
      }
    }
  
    /** A SInt32 type. */
    public static class SInt32 extends PassThroughLogicalType<Integer> {
      public static final String IDENTIFIER = "Sint32";
  
      SInt32() {
        super(IDENTIFIER, FieldType.STRING, "", FieldType.INT32);
      }
    }
  
    /** A Fixed32 type. */
    public static class Fixed32 extends PassThroughLogicalType<Integer> {
      public static final String IDENTIFIER = "Fixed32";
  
      Fixed32() {
        super(IDENTIFIER, FieldType.STRING, "", FieldType.INT32);
      }
    }
  
    /** A SFixed32 type. */
    public static class SFixed32 extends PassThroughLogicalType<Integer> {
      public static final String IDENTIFIER = "SFixed32";
  
      SFixed32() {
        super(IDENTIFIER, FieldType.STRING, "", FieldType.INT32);
      }
    }
  
    /** A UIn64 type. */
    public static class UInt64 extends PassThroughLogicalType<Long> {
      public static final String IDENTIFIER = "Uint64";
  
      UInt64() {
        super(IDENTIFIER, FieldType.STRING, "", FieldType.INT64);
      }
    }
  
    /** A SIn64 type. */
    public static class SInt64 extends PassThroughLogicalType<Long> {
      public static final String IDENTIFIER = "Sint64";
  
      SInt64() {
        super(IDENTIFIER, FieldType.STRING, "", FieldType.INT64);
      }
    }
  
    /** A Fixed64 type. */
    public static class Fixed64 extends PassThroughLogicalType<Long> {
      public static final String IDENTIFIER = "Fixed64";
  
      Fixed64() {
        super(IDENTIFIER, FieldType.STRING, "", FieldType.INT64);
      }
    }
  
    /** An SFixed64 type. */
    public static class SFixed64 extends PassThroughLogicalType<Long> {
      public static final String IDENTIFIER = "SFixed64";
  
      SFixed64() {
        super(IDENTIFIER, FieldType.STRING, "", FieldType.INT64);
      }
    }
  }
  