anoopj commented on code in PR #17932:
URL: https://github.com/apache/iceberg/pull/17932#discussion_r3919054538
##########
core/src/main/java/org/apache/iceberg/TrackedFileAdapters.java:
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@@ -410,6 +414,122 @@ public DeleteFile copyWithStats(Set<Integer>
requestedColumnIds) {
}
}
+ /** Adapts a TrackedFile to {@link ManifestFile}. */
+ private static class TrackedManifestFile implements ManifestFile {
+ private final TrackedFile file;
+
+ private TrackedManifestFile(TrackedFile file) {
+ Tracking tracking = file.tracking();
+ Preconditions.checkArgument(
+ tracking.dataSequenceNumber() != null, "Invalid data sequence
number: null");
+ Preconditions.checkArgument(
+ tracking.dataSequenceNumber().equals(tracking.fileSequenceNumber()),
+ "Manifest data and file sequence numbers must be equal, got %s and
%s",
+ tracking.dataSequenceNumber(),
+ tracking.fileSequenceNumber());
+ this.file = file;
+ }
+
+ @Override
+ public String path() {
+ return file.location();
+ }
+
+ @Override
+ public long length() {
+ return file.fileSizeInBytes();
+ }
+
+ @Override
+ public int partitionSpecId() {
+ throw new UnsupportedOperationException(
+ "v4 manifests are not bound to a single partition spec");
+ }
+
+ @Override
+ public ManifestContent content() {
+ switch (file.contentType()) {
+ case DATA_MANIFEST:
+ return ManifestContent.DATA;
+ case DELETE_MANIFEST:
+ return ManifestContent.DELETES;
+ default:
+ throw new IllegalStateException(
Review Comment:
This is unreachable because we do the validation in the factory method.
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