Trigger

What is Trigger?

Trigger is a mechanism which executes services automatically in response to application events or by which service executions are scheduled.Triggers can be created, modified, or deleted in My Triggers.

Trigger Type

DataSpider Servista offers the following types of triggers.

To learn about the types of the triggers, see the documents for each trigger.

Common settings for All triggers

Execution option settings

Configure Type and the usage of the XML Log.

Item name	Description	Remarks
Specify type	[Checked]: Select a Type to associate with the script to be executed. [Not Checked]:(default) No type
Specify type when executing	Select a Type used when executing script.	Enabled when [Specify type] is checked. Types arbitrary specified by users are not selectable.Enter the canonical name for the type directly in the filed. For further details, refer to User Defined Type. When [Finish] is clicked with no value specified in the filed will nullify the selection of the [Specify type].
Use default type when specified type is not found	[Checked]: If the Type specified cannot be found, it will fall back to Default Type. [Not Checked]:(default) PoolNotDefinedException will also occur.	Enabled when [Specify type] is checked.
Enable XML log	[Checked]:(default) XML Log is generated using specified log level. [Not Checked]: XML Log is not output when the script is run.
Enable XML log	Select the Log level used for XML log. [NOTICE] [INFO]:default [FINFO] [FINEST] [DEBUG]	Enabled when [Enable XML log] is checked.

Trigger Variables

Depending on the trigger, you can assign trigger variables to script arguments.

Trigger variable settings

In the screen of [Execution content settings], focus to the input field of script input/output variable to show [Advanced operations]. Trigger variables can be set to each script variable.

For more information about settings, refer to each trigger guide.

Specification Limits

Trigger may not be fired if OutOfMemoryError occurs.This may be prevented by increasing the memory heap size alloted for DataSpiderServer.
See Property Reference for how the size of the memory alloted can be changed.

If the [Value] of the [Script arguments] are undefined, variables are initialized by the default value of the variable type as depicted below:

Data type	Result data	Remarks
String	Empty string
Integer	0	The value which is not an integer such as a string defaults to "0".
Decimal	0	The value which is not a decimal such as a string defaults to "0".
Date/Time	1970-01-01T09:00:00.000+0900
Boolean	false
Binary	Empty string

Notes

None