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/**
 * 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.hadoop.hive.ql.io;

import java.io.OutputStream;

import org.apache.hadoop.io.compress.*;

/**
 *
 * SchemaAwareCompressionOutputStream adds the ability to inform the comression stream
 * the current column being compressed.
 *
 */
public abstract class SchemaAwareCompressionOutputStream extends CompressionOutputStream {

  protected SchemaAwareCompressionOutputStream(OutputStream out) {
    super(out);
  }

  /**
   *
   * The column being output
   *
   * @param columnIndex the index of the column. Use -1 for non-column data
   */
  public abstract void setColumnIndex(int columnIndex);
}




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