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.sql.meta.provider.seqgen;
  
  import com.google.auto.service.AutoService;
  import org.apache.beam.sdk.extensions.sql.meta.BeamSqlTable;
  import org.apache.beam.sdk.extensions.sql.meta.Table;
  import org.apache.beam.sdk.extensions.sql.meta.provider.InMemoryMetaTableProvider;
  import org.apache.beam.sdk.extensions.sql.meta.provider.TableProvider;
  
  /**
   * Sequence generator table provider.
   *
   * <p>A sample of text table is:
   *
   * <pre>{@code
   * CREATE EXTERNAL TABLE MY_SEQUENCE(
   *   sequence BIGINT COMMENT 'this is the primary key',
   *   event_time TIMESTAMP COMMENT 'this is the element timestamp'
   * )
   * TYPE 'sequence';
   * }</pre>
   */
  @AutoService(TableProvider.class)
  public class GenerateSequenceTableProvider extends InMemoryMetaTableProvider {
  
    @Override
    public String getTableType() {
      return "sequence";
    }
  
    @Override
    public BeamSqlTable buildBeamSqlTable(Table table) {
      return new GenerateSequenceTable(table);
    }
  }
  