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.schemas.logicaltypes;
  
  import org.apache.beam.model.pipeline.v1.SchemaApi;
  import org.apache.beam.sdk.schemas.Schema;
  import org.apache.beam.sdk.schemas.Schema.FieldType;
  import org.apache.beam.sdk.schemas.SchemaTranslation;
  import org.apache.beam.vendor.grpc.v1p69p0.com.google.protobuf.InvalidProtocolBufferException;
  import org.checkerframework.checker.nullness.qual.NonNull;
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  /** A schema represented as a serialized proto bytes. */
  public class SchemaLogicalType implements Schema.LogicalType<Schema, byte[]> {
    public static final String IDENTIFIER = "beam:logical_type:schema:v1";
  
    @Override
    public String getIdentifier() {
      return IDENTIFIER;
    }
  
    @Override
    public @Nullable FieldType getArgumentType() {
      return null;
    }
  
    @Override
    public FieldType getBaseType() {
      return FieldType.BYTES;
    }
  
    @Override
    public byte @NonNull [] toBaseType(Schema input) {
      return SchemaTranslation.schemaToProto(input, true).toByteArray();
    }
  
    @Override
    public org.apache.beam.sdk.schemas.Schema toInputType(byte @NonNull [] base) {
      try {
        return SchemaTranslation.schemaFromProto(SchemaApi.Schema.parseFrom(base));
      } catch (InvalidProtocolBufferException e) {
        throw new RuntimeException(e);
      }
    }
  }
  