/* * 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.parquet.column.values.bitpacking; import static org.apache.parquet.column.Encoding.BIT_PACKED; import java.io.IOException; import org.apache.parquet.bytes.BytesInput; import org.apache.parquet.bytes.BytesUtils; import org.apache.parquet.column.Encoding; import org.apache.parquet.column.values.ValuesWriter; import org.apache.parquet.io.ParquetEncodingException; public class ByteBitPackingValuesWriter extends ValuesWriter { private final Packer packer; private final int bitWidth; private ByteBasedBitPackingEncoder encoder; public ByteBitPackingValuesWriter(int bound, Packer packer) { this.packer = packer; this.bitWidth = BytesUtils.getWidthFromMaxInt(bound); this.encoder = new ByteBasedBitPackingEncoder(bitWidth, packer); } @Override public void writeInteger(int v) { try { this.encoder.writeInt(v); } catch (IOException e) { throw new ParquetEncodingException(e); } } @Override public Encoding getEncoding() { return BIT_PACKED; } @Override public BytesInput getBytes() { try { return encoder.toBytes(); } catch (IOException e) { throw new ParquetEncodingException(e); } } @Override public void reset() { encoder = new ByteBasedBitPackingEncoder(bitWidth, packer); } @Override public long getBufferedSize() { return encoder.getBufferSize(); } @Override public long getAllocatedSize() { return encoder.getAllocatedSize(); } @Override public String memUsageString(String prefix) { return encoder.memUsageString(prefix); } }