StephanEwen commented on a change in pull request #11307: [FLINK-16371]
[BulkWriter] Fix Hadoop Compression BulkWriter
URL: https://github.com/apache/flink/pull/11307#discussion_r388195186
##########
File path:
flink-formats/flink-compress/src/main/java/org/apache/flink/formats/compress/CompressWriterFactory.java
##########
@@ -42,33 +47,41 @@
private Extractor<IN> extractor;
private CompressionCodec hadoopCodec;
+ private String hadoopCodecName;
+ private Map<String, String> hadoopConfigurationMap;
public CompressWriterFactory(Extractor<IN> extractor) {
this.extractor = Preconditions.checkNotNull(extractor,
"extractor cannot be null");
+ this.hadoopConfigurationMap = new HashMap<>();
}
public CompressWriterFactory<IN> withHadoopCompression(String
hadoopCodecName) {
return withHadoopCompression(hadoopCodecName, new
Configuration());
}
public CompressWriterFactory<IN> withHadoopCompression(String
hadoopCodecName, Configuration hadoopConfiguration) {
- return withHadoopCompression(new
CompressionCodecFactory(hadoopConfiguration).getCodecByName(hadoopCodecName));
- }
+ this.hadoopCodecName = hadoopCodecName;
+
+ for (Map.Entry<String, String> entry : hadoopConfiguration) {
+ hadoopConfigurationMap.put(entry.getKey(),
entry.getValue());
+ }
- public CompressWriterFactory<IN> withHadoopCompression(CompressionCodec
hadoopCodec) {
- this.hadoopCodec = Preconditions.checkNotNull(hadoopCodec,
"hadoopCodec cannot be null");
return this;
}
@Override
public BulkWriter<IN> create(FSDataOutputStream out) throws IOException
{
- try {
- return (hadoopCodec != null)
- ? new HadoopCompressionBulkWriter<>(out,
extractor, hadoopCodec)
- : new NoCompressionBulkWriter<>(out, extractor);
- } catch (Exception e) {
- throw new IOException(e.getLocalizedMessage(), e);
+ if (StringUtils.isEmpty(hadoopCodecName)) {
Review comment:
Let's try to avoid library dependencies for such a simple function. It will
help us reduce (or maintain a small) dependency footprint over time.
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