rdblue commented on code in PR #16408:
URL: https://github.com/apache/iceberg/pull/16408#discussion_r3284934435
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core/src/main/java/org/apache/iceberg/TrackingStruct.java:
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@@ -268,67 +286,67 @@ public String toString() {
}
static class Builder {
- private EntryStatus status = null;
- private Long snapshotId = null;
- private Long dataSequenceNumber = null;
- private Long fileSequenceNumber = null;
- private Long dvSnapshotId = null;
- private Long firstRowId = null;
- private byte[] deletedPositions = null;
- private byte[] replacedPositions = null;
-
- Builder status(EntryStatus entryStatus) {
- this.status = entryStatus;
- return this;
- }
-
- Builder snapshotId(Long id) {
- this.snapshotId = id;
- return this;
- }
-
- Builder dataSequenceNumber(Long sequenceNumber) {
- this.dataSequenceNumber = sequenceNumber;
- return this;
+ private final EntryStatus status;
+ private final Long snapshotId;
+ private final Long dataSequenceNumber;
+ private final Long fileSequenceNumber;
+ private final Long firstRowId;
+ private Long dvSnapshotId;
+ private byte[] deletedPositions;
+ private byte[] replacedPositions;
+
+ private Builder(EntryStatus status, long snapshotId) {
+ this.status = status;
+ this.snapshotId = snapshotId;
+ this.dataSequenceNumber = null;
+ this.fileSequenceNumber = null;
+ this.firstRowId = null;
}
- Builder fileSequenceNumber(Long sequenceNumber) {
- this.fileSequenceNumber = sequenceNumber;
- return this;
+ private Builder(EntryStatus status, Tracking source, Long snapshotId) {
Review Comment:
`snapshotId` is not allowed to be passed for `EXISTING` or `MODIFIED`
because those inherit the snapshot ID from `source`. That means we should add
another constructor for this case. I know that the current `existing(...)`
method passes `source.snapshotId()`, but that moves logic from the builder into
the builder factory methods. I would prefer to keep it all in the builder.
I don't have a preference for whether the new constructor calls this after
verifying `status` or if it is a different constructor.
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