stevenzwu commented on a change in pull request #2905:
URL: https://github.com/apache/iceberg/pull/2905#discussion_r702013677
##########
File path:
flink/src/main/java/org/apache/iceberg/flink/source/RowDataFileScanTaskReader.java
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@@ -47,51 +46,52 @@
import org.apache.iceberg.types.TypeUtil;
import org.apache.iceberg.util.PartitionUtil;
-class RowDataIterator extends DataIterator<RowData> {
+@Internal
+public class RowDataFileScanTaskReader implements FileScanTaskReader<RowData> {
private final Schema tableSchema;
private final Schema projectedSchema;
private final String nameMapping;
private final boolean caseSensitive;
- RowDataIterator(CombinedScanTask task, FileIO io, EncryptionManager
encryption, Schema tableSchema,
- Schema projectedSchema, String nameMapping, boolean
caseSensitive) {
- super(task, io, encryption);
+ public RowDataFileScanTaskReader(Schema tableSchema, Schema projectedSchema,
+ String nameMapping, boolean caseSensitive) {
this.tableSchema = tableSchema;
this.projectedSchema = projectedSchema;
this.nameMapping = nameMapping;
this.caseSensitive = caseSensitive;
}
@Override
- protected CloseableIterator<RowData> openTaskIterator(FileScanTask task) {
+ public CloseableIterator<RowData> open(FileScanTask task,
InputFilesDecryptor inputFilesDecryptor) {
Review comment:
This is also tied to the other comment where we need `DataIterator` to
be generic.
What you described above is similar to the current status, where we have
`RowDataIterator` extends from `DataIterator`. Due to inheritance,
`RowDataIterator` can call protected methods/variables from base class.
If we switch to composition model, we need to pass in `InputFilesDecryptor`
to the `RowDataFileScanTaskReader`
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