An ActivityOperation may contain any number of OperationCallNodes. Each OperationCallNode must have at least one outgoing ECARule. When the execution flow arrives at an OperationCallNode, each outgoing ECARule will be executed sequentially, according to the priority of each edge.
If the last ECARule executed from the OperationCallNode fails, the execution flow will follow all outgoing failure edges sequentially. Otherwise, the execution flow will follow all outgoing success edges sequentially.[OperationCallNode.html]
trueif the current element has been generated.