io.prestosql.parquet.reader.LevelRLEReader Maven / Gradle / Ivy

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/*
 * Licensed 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 io.prestosql.parquet.reader;

import org.apache.parquet.column.values.rle.RunLengthBitPackingHybridDecoder;
import org.apache.parquet.io.ParquetDecodingException;

import java.io.IOException;

public class LevelRLEReader
        implements LevelReader
{
    private final RunLengthBitPackingHybridDecoder delegate;

    public LevelRLEReader(RunLengthBitPackingHybridDecoder delegate)
    {
        this.delegate = delegate;
    }

    @Override
    public int readLevel()
    {
        try {
            return delegate.readInt();
        }
        catch (IOException e) {
            throw new ParquetDecodingException(e);
        }
    }
}