Page Comparison

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To run every 5 seconds continuously:

<task name="CheckPrice" class="org.wso2.esb.tutorial.tasks.PlaceStockOrderTask">
<trigger interval="5000"/>
</task>

To run every 5 seconds for 10 times:

<task name="CheckPrice" class="org.wso2.esb.tutorial.tasks.PlaceStockOrderTask">
<trigger interval="5000" count="10"/>
</task>

You can also give cron-style values. To run daily at 1:30 AM:

<task name="CheckPrice" class="org.wso2.esb.tutorial.tasks.PlaceStockOrderTask">
<trigger cron="30 1 * * * *"/>
</task>

To run only once after ESB starts:

<task name="CheckPrice" class="org.wso2.esb.tutorial.tasks.PlaceStockOrderTask">
<trigger once="true"/>
</task>

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• Task Name - Name of a scheduled task.
• Task Group - The group name to grouping tasks. The group name synapse.simple.quartz belongs to ESB - Synapse. All available groups are displayed as a drop-down menu. If there are tasks belong to some other domains, for example WSO2 Mashups tasks, then those will be shown here as a separate group names.
• Task Implementation - The implementation class of the task. There is a default task implementation which is shipped with ESB. It is org.apache.synapse.startup.tasks.MessageInjector, which just injects a message specified into Synapse environment. See more information on how to write a custom task class in Writing Tasks, Sample 1 Introduction to Tasks with Simple Trigger and Writing Tasks Sample.
• Trigger Type - Trigger type for the task. This can be selected as either "Simple" or "Cron."
  • Simple Trigger - Defined by specifying a count and an interval, implying that the task will run a count number of times at specified intervals.
  • Cron Trigger - Defined using a cron expression.
• Count - The number of times the task will be executed.
• Interval - The interval between consecutive executions of a task.
• Pinned Servers - Provides a list of ESB server names, where this task should be started for the "Pinned Servers" value.

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See an example of task scheduling here.