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more sensible hook order

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This commit is contained in:
Stepan Usatiuk
2025-01-01 19:19:15 +01:00
parent e0fbe80636
commit 18a133abdc
1 changed files with 30 additions and 23 deletions
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53
dhfs-parent/objects/src/main/java/com/usatiuk/dhfs/objects/JObjectManager.java
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@@ -220,34 +220,41 @@ public class JObjectManager {
// TODO: check deletions, inserts
try {
Collection<TxRecord.TxObjectRecord<?>> drained;
while (!(drained = tx.drainNewWrites()).isEmpty()) {
Log.trace("Commit iteration with " + drained.size() + " records");
{
boolean somethingChanged;
do {
somethingChanged = false;
for (var hook : _preCommitTxHooks) {
drained = tx.drainNewWrites();
Log.trace("Commit iteration with " + drained.size() + " records for hook " + hook.getClass());
drained.stream()
.map(TxRecord.TxObjectRecord::key)
.sorted(Comparator.comparing(JObjectKey::toString))
.forEach(addDependency);
drained.stream()
.map(TxRecord.TxObjectRecord::key)
.sorted(Comparator.comparing(JObjectKey::toString))
.forEach(addDependency);
for (var hook : _preCommitTxHooks) {
for (var entry : drained) {
Log.trace("Running pre-commit hook " + hook.getClass() + " for" + entry.toString());
var oldObj = getCurrent.apply(entry.key());
var curObj = tx.get(JData.class, entry.key()).orElse(null);
assert (curObj == null) == (entry instanceof TxRecord.TxObjectRecordDeleted);
if (curObj == null) {
hook.onDelete(entry.key(), oldObj);
} else if (oldObj == null) {
hook.onCreate(entry.key(), curObj);
} else {
hook.onChange(entry.key(), oldObj, curObj);
for (var entry : drained) {
somethingChanged = true;
Log.trace("Running pre-commit hook " + hook.getClass() + " for" + entry.toString());
var oldObj = getCurrent.apply(entry.key());
switch (entry) {
case TxRecord.TxObjectRecordWrite<?> write -> {
if (oldObj == null) {
hook.onCreate(write.key(), write.data());
} else {
hook.onChange(write.key(), oldObj, write.data());
}
}
case TxRecord.TxObjectRecordDeleted deleted -> {
hook.onDelete(deleted.key(), oldObj);
}
default -> throw new IllegalStateException("Unexpected value: " + entry);
}
current.put(entry.key(), entry);
}
current.put(entry.key(), entry);
}
}
} while (somethingChanged);
}
reads = tx.reads();
for (var read : reads.entrySet()) {
addDependency.accept(read.getKey());