rdblue commented on code in PR #16936:
URL: https://github.com/apache/iceberg/pull/16936#discussion_r4170457907
##########
core/src/main/java/org/apache/iceberg/TrackedFileAdapters.java:
##########
@@ -529,6 +566,427 @@ public ManifestFile copy() {
}
}
+ /** Adapts a {@link DataFile} to {@link TrackedFile}. */
+ static class DataTrackedFile implements TrackedFile {
+ private final MapBackedContentStats statsWrapper;
+ private Tracking tracking;
+ private DataFile file;
+ private ContentStats stats;
+
+ DataTrackedFile(Schema tableSchema, MetricsConfig metricsConfig) {
+ this.statsWrapper = new MapBackedContentStats(tableSchema,
metricsConfig);
+ }
+
+ /** Re-points this adapter at a {@link DataFile} from the public API.
Tracking is unset. */
+ public TrackedFile wrap(DataFile newFile) {
+ return wrapFile(newFile, null);
+ }
+
+ /**
+ * Re-points this adapter at a {@link ManifestEntry}. Converts the
contained data file and the
+ * entry's tracking fields.
Review Comment:
This should also note that it may not be wrapped if the file can be
unwrapped.
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