parquet.column.values.plain.BooleanPlainValuesWriter Maven / Gradle / Ivy
/**
* Copyright 2012 Twitter, Inc.
*
* 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 parquet.column.values.plain;
import static parquet.column.Encoding.PLAIN;
import static parquet.column.values.bitpacking.Packer.LITTLE_ENDIAN;
import parquet.bytes.BytesInput;
import parquet.column.Encoding;
import parquet.column.values.ValuesWriter;
import parquet.column.values.bitpacking.ByteBitPackingValuesWriter;
/**
* An implementation of the PLAIN encoding
*
* @author Julien Le Dem
*
*/
public class BooleanPlainValuesWriter extends ValuesWriter {
private ByteBitPackingValuesWriter bitPackingWriter;
public BooleanPlainValuesWriter() {
bitPackingWriter = new ByteBitPackingValuesWriter(1, LITTLE_ENDIAN);
}
@Override
public final void writeBoolean(boolean v) {
bitPackingWriter.writeInteger(v ? 1 : 0);
}
@Override
public long getBufferedSize() {
return bitPackingWriter.getBufferedSize();
}
@Override
public BytesInput getBytes() {
return bitPackingWriter.getBytes();
}
@Override
public void reset() {
bitPackingWriter.reset();
}
@Override
public long getAllocatedSize() {
return bitPackingWriter.getAllocatedSize();
}
@Override
public Encoding getEncoding() {
return PLAIN;
}
@Override
public String memUsageString(String prefix) {
return bitPackingWriter.memUsageString(prefix);
}
}