Categories Directive
Description
The logging channels used by a component may be parameterized using a categories directive. Each category with a categories directive enables customization of the priority and targets of logging channels used by the component.
Attributes
| Attribute | Required | Description |
|---|---|---|
| priority | no | The default logging priority (one of INFO, WARN, ERROR, FATAL, DEBUG) to assign to the component. |
| target | no | Named default logging target. |
Nested Elements
| Element | Cardinality | Description |
|---|---|---|
| category | 0..n | Logging sub-category directive. |
Sample XML
<!--
Create a component with a logging channel priority of INFO.
Set the subsidiary channel for tutorial.data to a priority
of DEBUG and the tutorial.data.model channel to a ERROR
priority.
-->
<component name="tutorial">
<categories priority="INFO">
<category name="/data" priority="DEBUG"/>
<category name="/data/model" priority="ERROR"/>
</categories>
</component>
