RustedBones commented on a change in pull request #16271:
URL: https://github.com/apache/beam/pull/16271#discussion_r771257284
##########
File path:
sdks/java/core/src/main/java/org/apache/beam/sdk/coders/AvroCoder.java
##########
@@ -272,26 +263,8 @@ public Schema get() {
}
}
- /**
- * A {@link Serializable} object that lazily supplies a {@link ReflectData}
built from the
- * appropriate {@link ClassLoader} for the type encoded by this {@link
AvroCoder}.
- */
- private static class SerializableReflectDataSupplier
- implements Serializable, Supplier<ReflectData> {
-
- private final Class<?> clazz;
-
- private SerializableReflectDataSupplier(Class<?> clazz) {
- this.clazz = clazz;
- }
-
- @Override
- public ReflectData get() {
- ReflectData reflectData = new ReflectData(clazz.getClassLoader());
- reflectData.addLogicalTypeConversion(new JodaTimestampConversion());
- return reflectData;
- }
- }
+ private final AvroSource.DatumReaderFactory<T> readerFactory;
+ private final AvroSink.DatumWriterFactory<T> writerFactory;
Review comment:
Ideally I would have liked to have those as constructor parameter.
As explained in the PR comment, this causes problem with the
[`AvroCoderCloudObjectTranslator`](https://github.com/apache/beam/blob/master/runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/runners/dataflow/util/AvroCoderCloudObjectTranslator.java)
which serializes the `AvroCoder` in a CloudObject (json). I don't know how to
serialize the factories in that case
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