Configuration for Scheduled Tasks

Scheduled Tasks are one of many well-defined extension points supported by the WSO2 Governance Registry. Read more on Supported Extension Points for a complete list of extension points supported by WSO2 Governance Registry.

To schedule tasks using Governance Registry and the following configuration at $GREG_HOME/repository/conf/registry.xml.

<tasks>
    <task name="SampleTask" class="org.wso2.carbon.registry.samples.task.SampleTask">
        <trigger cron="0/10 * * * * ?"/>
        <property key="foo" value="FooVal" />
        <property key="bar" value="BarVal" />
    </task>
</tasks>

The attributes of the given above configuration can be defined as below.

name - A name to distinguish this task from other tasks. This has to be a unique name in a single clustered or non-clustered deployment.
class - The fully qualified name of the class implementing the org.wso2.carbon.ntask.core.Task interface. You can have more than one task having the same class.
cron - http://quartz-scheduler.org/documentation/quartz-1.x/tutorials/crontrigger
property - a property that is passed into the setProperties method of the Task implementation class. You can have more than zero or more properties for you task.
1. key - the name of the property.
2. value - the value of the property.

It is important to restart the server after a configuration change.