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 exception-id attribute or value can contain metadata to be replaced with fields of any GVBuffer in the execution environment. The parameters are always written in ${param} format.

The possible parameters are:

For a GVBuffer object

• for standard fields, the field name
• ${GVBuffer.system}
• ${GVBuffer.service}
• ${GVBuffer.id}
• ${GVBuffer.retCode}

For properties:

• ${GVBuffer.property:}
• ${GVBuffer.properties} (return all the properties, in the form name: 'filedName' value: 'fieldValue')

All metadata are written in accordance with the above format.

If an error occurs the metadata 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.