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Gavin 2023-05-12 20:22:19 +02:00 committed by Christian Beikov
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documentation/src/main/asciidoc/introduction/Interacting.adoc
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@ -132,10 +132,13 @@ In Quarkus, injection is handled by CDI:
---- ----
==== ====
Outside a container environment, we'll also have to write code to manage database transactions.
[[managing-transactions]] [[managing-transactions]]
=== Managing transactions === Managing transactions
Using JPA-standard APIs, the `EntityTransaction` interface allows us to control database transactions. Using JPA-standard APIs, the `EntityTransaction` interface allows us to control database transactions.
The idiom we recommend is the following:
[source,java] [source,java]
---- ----
@ -257,6 +260,9 @@ Therefore, a session is considered to be unusable after any of its methods throw
If you receive an exception from Hibernate, you should immediately close and discard the current session. Open a new session if you need to, but throw the bad one away first. If you receive an exception from Hibernate, you should immediately close and discard the current session. Open a new session if you need to, but throw the bad one away first.
==== ====
Each of the operations we've seen so far affects a single entity instance passed as an argument.
But there's a way to set things up so that an operation will propagate to associated entities.
[[cascade]] [[cascade]]
=== Cascading persistence operations === Cascading persistence operations