| /* |
| * 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 org.apache.parquet.bytes.BytesInput; |
| import org.apache.parquet.column.Encoding; |
| import org.apache.parquet.column.values.ValuesWriter; |
| import org.apache.parquet.io.api.Binary; |
| |
| /** |
| * This is a special writer that doesn't write anything. The idea being that |
| * some columns will always be the same value, and this will capture that. An |
| * example is the set of repetition levels for a schema with no repeated fields. |
| */ |
| public class DevNullValuesWriter extends ValuesWriter { |
| @Override |
| public long getBufferedSize() { |
| return 0; |
| } |
| |
| @Override |
| public void reset() { |
| } |
| |
| @Override |
| public void writeInteger(int v) { |
| } |
| |
| @Override |
| public void writeByte(int value) { |
| } |
| |
| @Override |
| public void writeBoolean(boolean v) { |
| } |
| |
| @Override |
| public void writeBytes(Binary v) { |
| } |
| |
| @Override |
| public void writeLong(long v) { |
| } |
| |
| @Override |
| public void writeDouble(double v) { |
| } |
| |
| @Override |
| public void writeFloat(float v) { |
| } |
| |
| @Override |
| public BytesInput getBytes() { |
| return BytesInput.empty(); |
| } |
| |
| @Override |
| public long getAllocatedSize() { |
| return 0; |
| } |
| |
| @Override |
| public Encoding getEncoding() { |
| return BIT_PACKED; |
| } |
| |
| @Override |
| public String memUsageString(String prefix) { |
| return prefix + "0"; |
| } |
| } |