GVThrowException

Description

GVThrowException element stops the Flow with an exception.

GreenVulcano^® ESB Configuration

The element GVThrowException is used in a GVEndNode and allows to stop the workflow of GreenVulcano^® ESB with exception.

Exceptions are allowed only of type it.greenvulcano.gvesb.buffer.GVException and its subclasses.

The GVThrowException@exception-id or ExceptionParam@value attributes can contain placeholders to be replaced with fields of the GVBuffer extracted from the execution environment. The parameters are always written in ${param} format.

The possible placeholders are: for GVBuffer fields:

• ${system}
• ${service}
• ${id}
• ${retCode}

for GVBuffer properties:

• ${property[<name>]}

All placeholders are written in accordance with the above format. If an error occurs the placeholders will not be replaced.

The GVThrowException Element is used by: GVEndNode.

The following table shows the GVThrowException element's attributes:

Attribute	Type	Description
exception-id	required	ID of the exception.
class	optional	Exception class. Exceptions are allowed only of type it.greenvulcano.gvesb.buffer.GVException and its subclass. The attribute's default value is: it.greenvulcano.gvesb.core.exc.GVCoreException.

Might contain the sub-elements:

• Description
• ExceptionParam

ExceptionParam

This element specifies parameters to pass to the exception message.

The following table shows the ExceptionParam element's attributes:

Attribute	Type	Description
name	required	Parameter name.
value	required	Parameter value.

Might contain the sub-element Description.