com.aliyun.odps.table.arrow.ArrowWriterFactory Maven / Gradle / Ivy
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/*
* 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 com.aliyun.odps.table.arrow;
import com.aliyun.odps.table.arrow.writers.ArrowBatchWriter;
import com.aliyun.odps.table.configuration.WriterOptions;
import org.apache.arrow.vector.compression.CompressionUtil;
import java.io.IOException;
import java.io.OutputStream;
/**
* A factory used to create {@link ArrowWriter} instances.
*/
public class ArrowWriterFactory {
public static ArrowWriter getRecordBatchWriter(OutputStream os,
WriterOptions writerOptions) throws IOException {
switch (writerOptions.getCompressionCodec()) {
case NO_COMPRESSION:
return new ArrowBatchWriter(os);
case ZSTD:
return new ArrowBatchWriter(os, CompressionUtil.CodecType.ZSTD);
case LZ4_FRAME:
return new ArrowBatchWriter(os, CompressionUtil.CodecType.LZ4_FRAME);
default:
throw new IllegalArgumentException("Unsupported compression codec: " +
writerOptions.getCompressionCodec());
}
}
}
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