belliottsmith commented on code in PR #173:
URL: https://github.com/apache/cassandra-accord/pull/173#discussion_r1968448668
##########
accord-core/src/main/java/accord/primitives/Deps.java:
##########
@@ -326,13 +304,76 @@ public int size()
};
}
+ public int indexOf(TxnId txnId)
+ {
+ switch (txnId.domain())
+ {
+ default: throw new UnhandledEnum(txnId.domain());
+ case Key:
+ {
+ if (managesExecution(txnId))
+ return keyDeps.indexOf(txnId);
+ int index = directKeyDeps.indexOf(txnId);
+ return index < 0 ? -1 : keyDeps.txnIdCount() + index;
+ }
+ case Range:
+ {
+ int index = rangeDeps.indexOf(txnId);
+ return index < 0 ? -1 : keyDeps.txnIdCount() +
directKeyDeps.txnIdCount() + index;
+ }
+ }
+ }
+
public Participants<?> participants(TxnId txnId)
+ {
+ return applyToId(txnId, KeyOrRangeDeps::participants);
+ }
+
+ public Participants<?> participants(int index)
+ {
+ return applyToIndex(index, KeyOrRangeDeps::participants);
+ }
+
+ public boolean isStable(int index)
+ {
+ return !applyToIndex(index,
KeyOrRangeDeps::txnIdWithFlags).is(UNSTABLE);
+ }
+
+ private <T> T applyToIndex(int index, IndexedFunction<KeyOrRangeDeps, T>
apply)
+ {
+ {
Review Comment:
for scoping, but probably date from an earlier method formulation where it
mattered more. removing them...
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