GVOperationNode

Description

A GVOperationNode is an operation node indicating that GreenVulcano^® ESB must perform a communication with an external systems (invocation, sending messages, receiving messages). For example, if the node indicates a receive a message (see attribute op-type), you can also define a DequeueFilter that sets certain conditions that the received message must meet.

VulCon / GV Console Configuration

The GVOperationNode is a Flow element. It has the following attributes:

• type: flow-node;
• class: it.greenvulcano.gvesb.core.flow.GVOperationNode.
• id: ID of the node. Unique within the 'Flow' and its value cannot be null.
• op-type: The attribute admitted values are:
  • call
  • enqueue
  • dequeue
• input: Specifies the input (from the execution environment) for the operation.
  If the input is an exception, the operation is not performed, and the output is set equal input exception. Its value can't be null.
• output: The operation's output (GVBuffer or Exception) is inserted into the execution environment with this exact name.
  Default to "input" value. The attribute value can't be null.
• next-node-id: Indicates the next node in the workflow to execute when the operation ends.
• id-system: Identifies the system involved in communication. Can be selected from systems declared as Participant in the Operation section.
  The attribute value can't be null.
• operation-name: Identifies the communication operation selected by the channel of the system indicated by the id-system attribute.
  Only the operations of the type declared in the 'op-type' attribute can be selected. Its value cannot be null.
• point-x: X position of the node in the VulCon^® workflows editor. Immutable, used by VulCon^®.
• point-y: Y position of the node in the VulCon^® workflows editor. Immutable, used by VulCon^®.
• dump-in-out: If true enable the dump of the input/output GVBuffer. Default false. The attribute admitted values are:
  • true
  • false
• dump-env-in-out: If true enable the dump of the input/output Execution Environment. Default false. The attribute admitted values are:
  • true
  • false

and the subelements:

• Description;
• InputServices;
• OutputServices;
• DequeueFilter.