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#300 - Stateless update with deleteMissingChildren and JDBC batched inserts on those children ... can delete newly inserted child

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rbygrave
2015-05-29 20:51:23 +12:00
parent 053fdf4abb
commit 8fe91f66c0
1 changed files with 17 additions and 8 deletions
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src/main/java/com/avaje/ebeaninternal/server/persist/DefaultPersister.java
+17 -8
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@@ -785,18 +785,27 @@ public final class DefaultPersister implements Persister {
if (!skipSavingThisBean) {
saveRecurse(detail, t, parentBean, insertMode);
}
if (detailIds != null) {
// remember the Id (other details not in the collection) will be removed
Object id = targetDescriptor.getId(detail);
if (!DmlUtil.isNullOrZero(id)) {
detailIds.add(id);
}
}
}
}
if (detailIds != null) {
// deleteMissingChildren is true so deleting children that were not just processed
// stateless update with deleteMissingChildren so first
// flushBatch to ensure that we have Id values from any inserts
t.flushBatch();
// now collect the Id values to determine the 'missing children'
for (Object detailBean : collection) {
if (isMap) {
detailBean = ((Map.Entry<?, ?>) detailBean).getValue();
}
if (detailBean instanceof EntityBean) {
Object id = targetDescriptor.getId((EntityBean) detailBean);
if (!DmlUtil.isNullOrZero(id)) {
// remember the Id (other details not in the collection) will be removed
detailIds.add(id);
}
}
}
// deleting missing children - children not in our collected detailIds
deleteManyDetails(t, prop.getBeanDescriptor(), parentBean, prop, detailIds);
}