| Title: Topic Configuration |
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| A Topic can be declared via xml in the `<tomee-home>/conf/tomee.xml` file or in a `WEB-INF/resources.xml` file using a declaration like the following. All properties in the element body are optional. |
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| <Resource id="myTopic" type="javax.jms.Topic"> |
| destination = |
| </Resource> |
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| Alternatively, a Topic can be declared via properties in the `<tomee-home>/conf/system.properties` file or via Java VirtualMachine `-D` properties. The properties can also be used when embedding TomEE via the `javax.ejb.embeddable.EJBContainer` API or `InitialContext` |
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| myTopic = new://Resource?type=javax.jms.Topic |
| myTopic.destination = |
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| Properties and xml can be mixed. Properties will override the xml allowing for easy configuration change without the need for ${} style variable substitution. Properties are not case sensitive. If a property is specified that is not supported by the declared Topic a warning will be logged. If a Topic is needed by the application and one is not declared, TomEE will create one dynamically using default settings. Multiple Topic declarations are allowed. |
| # Supported Properties |
| <table> |
| <tr> |
| <th>Property</th> |
| <th>Type</th> |
| <th>Default</th> |
| <th>Description</th> |
| </tr> |
| <tr> |
| <td>destination</td> |
| <td>String</td> |
| <td></td> |
| <td> |
| Specifies the name of the topic |
| </td> |
| </tr> |
| </table> |
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