io.prestosql.parquet.writer.valuewriter.BooleanValueWriter Maven / Gradle / Ivy
/*
* 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.writer.valuewriter;
import io.prestosql.spi.block.Block;
import org.apache.parquet.column.values.ValuesWriter;
import org.apache.parquet.schema.PrimitiveType;
import static io.prestosql.spi.type.BooleanType.BOOLEAN;
import static java.util.Objects.requireNonNull;
public class BooleanValueWriter
extends PrimitiveValueWriter
{
private final ValuesWriter valuesWriter;
public BooleanValueWriter(ValuesWriter valuesWriter, PrimitiveType parquetType)
{
super(parquetType, valuesWriter);
this.valuesWriter = requireNonNull(valuesWriter, "valuesWriter is null");
}
@Override
public void write(Block block)
{
for (int i = 0; i < block.getPositionCount(); i++) {
if (!block.isNull(i)) {
boolean value = BOOLEAN.getBoolean(block, i);
valuesWriter.writeBoolean(value);
getStatistics().updateStats(value);
}
}
}
}
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