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Chapter 43. JTA
Enclose Camel routes in transactions using Java Transaction API (JTA) and Narayana transaction manager
43.1. What’s inside Copier lienLien copié sur presse-papiers!
Please refer to the above link for usage and configuration details.
43.2. Maven coordinates Copier lienLien copié sur presse-papiers!
Create a new project with this extension on code.quarkus.redhat.com
Or add the coordinates to your existing project:
<dependency> <groupId>org.apache.camel.quarkus</groupId> <artifactId>camel-quarkus-jta</artifactId> </dependency>
<dependency>
<groupId>org.apache.camel.quarkus</groupId>
<artifactId>camel-quarkus-jta</artifactId>
</dependency>
43.3. Usage Copier lienLien copié sur presse-papiers!
This extension should be added when you need to use the transacted()
EIP in the router. It leverages the transaction capabilities provided by the narayana-jta extension in Quarkus.
Refer to the Quarkus Transaction guide for the more details about transaction support. For a simple usage:
from("direct:transaction") .transacted() .to("sql:INSERT INTO A TABLE ...?dataSource=ds1") .to("sql:INSERT INTO A TABLE ...?dataSource=ds2") .log("all data are in the ds1 and ds2")
from("direct:transaction")
.transacted()
.to("sql:INSERT INTO A TABLE ...?dataSource=ds1")
.to("sql:INSERT INTO A TABLE ...?dataSource=ds2")
.log("all data are in the ds1 and ds2")
Support is provided for various transaction policies.
Policy | Description |
---|---|
| Support a current transaction; throw an exception if no current transaction exists. |
| Do not support a current transaction; throw an exception if a current transaction exists. |
| Do not support a current transaction; rather always execute non-transactionally. |
| Support a current transaction; create a new one if none exists. |
| Create a new transaction, suspending the current transaction if one exists. |
| Support a current transaction; execute non-transactionally if none exists. |