belliottsmith commented on code in PR #113:
URL: https://github.com/apache/cassandra-accord/pull/113#discussion_r1746052197
##########
accord-core/src/main/java/accord/local/SaveStatus.java:
##########
@@ -91,52 +88,51 @@ public enum SaveStatus
*/
public enum LocalExecution
{
- NotReady(Nothing),
- ReadyToExclude(ExecuteAtOnly),
- WaitingToExecute(Decision),
- ReadyToExecute(Decision),
- // TODO (expected): we seem to be able to await this when we know
there are still local execution dependencies
- // we should only request this when we know the transaction can
execute locally
- WaitingToApply(Apply),
- Applying(Apply),
- Applied(Apply),
- CleaningUp(Nothing);
-
- public final Known requires;
-
- LocalExecution(Known requires)
- {
- this.requires = requires;
- }
-
- public boolean isSatisfiedBy(Known known)
- {
- return requires.isSatisfiedBy(known);
- }
-
- public long fetchEpoch(TxnId txnId, Timestamp timestamp)
- {
- if (timestamp == null || timestamp.equals(Timestamp.NONE))
- return txnId.epoch();
-
- switch (this)
- {
- default: throw new AssertionError("Unexpected status: " +
this);
- case NotReady:
- case ReadyToExclude:
- case ReadyToExecute:
- case WaitingToExecute:
- return txnId.epoch();
-
- case WaitingToApply:
- case Applying:
- case Applied:
- case CleaningUp:
- return timestamp.epoch();
- }
- }
+ /**
+ * Still coordinating a decision
+ */
+ NotReady,
+
+ /**
+ * An executeAt decision has been made, but the dependencies are not
known
+ */
+ ReadyToExclude,
Review Comment:
the transaction as an execution dependency of another transaction
i.e., some transaction is waiting on it to execute, and the first step is
deciding if it even executes first
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