bdeggleston commented on code in PR #106:
URL: https://github.com/apache/cassandra-accord/pull/106#discussion_r1700850213
##########
accord-core/src/main/java/accord/local/CommandsForKey.java:
##########
@@ -372,112 +483,208 @@ public String toString()
return "Info{" +
"txnId=" + toPlainString() +
", status=" + status +
- ", executeAt=" + (executeAt == this ? toPlainString() :
executeAt.toString()) +
+ ", executeAt=" + plainExecuteAt() +
'}';
}
public String toPlainString()
{
return super.toString();
}
+
+ public int compareExecuteAt(TxnInfo that)
+ {
+ return this.executeAt.compareTo(that.executeAt);
+ }
+
+ Timestamp executeAtIfKnownElseTxnId()
+ {
+ return status == INVALID_OR_TRUNCATED ? this : executeAt;
+ }
}
- public static class TxnInfoWithMissing extends TxnInfo
+ public static class TxnInfoExtra extends TxnInfo
{
public final TxnId[] missing;
+ public final Ballot ballot;
- TxnInfoWithMissing(TxnId txnId, InternalStatus status, Timestamp
executeAt, TxnId[] missing)
+ TxnInfoExtra(TxnId txnId, InternalStatus status, Timestamp executeAt,
TxnId[] missing, Ballot ballot)
{
super(txnId, status, executeAt);
this.missing = missing;
+ this.ballot = ballot;
}
+ @Override
public TxnId[] missing()
{
return missing;
}
+ @Override
+ public Ballot ballot()
+ {
+ return ballot;
+ }
+
+ public TxnInfo update(TxnId[] newMissing)
+ {
+ if (newMissing == missing)
+ return this;
+
+ return newMissing == NO_TXNIDS && ballot == Ballot.ZERO
+ ? new TxnInfo(this, status, executeAt)
+ : new TxnInfoExtra(this, status, executeAt, newMissing,
ballot);
+ }
+
@Override
public String toString()
{
return "Info{" +
"txnId=" + toPlainString() +
", status=" + status +
- ", executeAt=" + (this == executeAt ? toPlainString() :
executeAt) +
+ ", executeAt=" + plainExecuteAt() +
+ (ballot != Ballot.ZERO ? ", ballot=" + ballot : "") +
", missing=" + Arrays.toString(missing) +
'}';
}
}
private final Key key;
private final RedundantBefore.Entry redundantBefore;
+ private final TxnInfo prunedBefore;
+ // TODO (desired): avoid loading if we know a transaction that should have
witnessed it has already been registered/applied
+ private final Object[] loadingPruned;
Review Comment:
comment on the field is fine
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