text: /*
   * 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.drill.exec.physical.impl.values;
  
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.drill.common.exceptions.ExecutionSetupException;
  import org.apache.drill.common.expression.SchemaPath;
  import org.apache.drill.exec.ops.ExecutorFragmentContext;
  import org.apache.drill.exec.physical.config.Values;
  import org.apache.drill.exec.physical.impl.BatchCreator;
  import org.apache.drill.exec.physical.impl.ScanBatch;
  import org.apache.drill.exec.record.RecordBatch;
  import org.apache.drill.exec.store.RecordReader;
  import org.apache.drill.exec.store.dfs.json.JSONRecordReader;
  
  public class ValuesBatchCreator implements BatchCreator<Values> {
    @Override
    public ScanBatch getBatch(ExecutorFragmentContext context, Values config, List<RecordBatch> children)
        throws ExecutionSetupException {
      assert children.isEmpty();
  
      JSONRecordReader reader = new JSONRecordReader(context, config.getContent().asNode(),
          null, Collections.singletonList(SchemaPath.STAR_COLUMN));
      return new ScanBatch(config, context, Collections.singletonList((RecordReader) reader));
    }
  }
  