core/src/main/java/org/apache/carbondata/core/scan/collector/ScannedResultCollector.java

/*
 * 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.carbondata.core.scan.collector;

import java.util.List;

import org.apache.carbondata.core.scan.result.BlockletScannedResult;
import org.apache.carbondata.core.scan.result.vector.CarbonColumnarBatch;

/**
 * Interface which will be used to aggregate the scan result
 */
public interface ScannedResultCollector {

  /**
   * Return the aggregated scanned result in list of rows
   */
  List<Object[]> collectResultInRow(BlockletScannedResult scannedResult, int batchSize);

  /**
   * Collects result and set it in the specified columnar batch
   */
  void collectResultInColumnarBatch(BlockletScannedResult scannedResult,
      CarbonColumnarBatch columnarBatch);
}