org.apache.parquet.column.ColumnWriter Maven / Gradle / Ivy
/*
* 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;
import org.apache.parquet.bytes.BytesInput;
import org.apache.parquet.io.api.Binary;
/**
* writer for (repetition level, definition level, values) triplets
*/
public interface ColumnWriter {
/**
* writes the current value
* @param value an int value
* @param repetitionLevel a repetition level
* @param definitionLevel a definition level
*/
void write(int value, int repetitionLevel, int definitionLevel);
/**
* writes the current value
* @param value a long value
* @param repetitionLevel a repetition level
* @param definitionLevel a definition level
*/
void write(long value, int repetitionLevel, int definitionLevel);
/**
* writes the current value
* @param value a boolean value
* @param repetitionLevel a repetition level
* @param definitionLevel a definition level
*/
void write(boolean value, int repetitionLevel, int definitionLevel);
/**
* writes the current value
* @param value a Binary value
* @param repetitionLevel a repetition level
* @param definitionLevel a definition level
*/
void write(Binary value, int repetitionLevel, int definitionLevel);
/**
* writes the current value
* @param value a float value
* @param repetitionLevel a repetition level
* @param definitionLevel a definition level
*/
void write(float value, int repetitionLevel, int definitionLevel);
/**
* writes the current value
* @param value a double value
* @param repetitionLevel a repetition level
* @param definitionLevel a definition level
*/
void write(double value, int repetitionLevel, int definitionLevel);
/**
* writes the current null value
* @param repetitionLevel a repetition level
* @param definitionLevel a definition level
*/
void writeNull(int repetitionLevel, int definitionLevel);
/**
* Close the underlying store. This should be called when there are no
* more data to be written.
*/
void close();
/**
* used to decide when to write a page or row group
* @return the number of bytes of memory used to buffer the current data
*/
long getBufferedSizeInMemory();
}