// Create a pipeline from a given script.
// tick:ignore
func CreatePipeline(script string, sourceEdge EdgeType, scope *tick.Scope, deadman DeadmanService) (*Pipeline, error) {
p := &Pipeline{
deadman: deadman,
}
var src Node
switch sourceEdge {
case StreamEdge:
src = newSourceStreamNode()
scope.Set("stream", src)
case BatchEdge:
src = newSourceBatchNode()
scope.Set("batch", src)
default:
return nil, fmt.Errorf("source edge type must be either Stream or Batch not %s", sourceEdge)
}
p.addSource(src)
err := tick.Evaluate(script, scope)
if err != nil {
return nil, err
}
if sourceEdge == StreamEdge && deadman.Global() {
src.(*SourceStreamNode).Deadman(deadman.Threshold(), deadman.Interval())
}
return p, nil
}
// Create a pipeline from a given script.
// tick:ignore
func CreatePipeline(script string, sourceEdge EdgeType, scope *tick.Scope) (*Pipeline, error) {
var src Node
switch sourceEdge {
case StreamEdge:
src = newStreamNode()
scope.Set("stream", src)
case BatchEdge:
src = newSourceBatchNode()
scope.Set("batch", src)
default:
return nil, fmt.Errorf("source edge type must be either Stream or Batch not %s", sourceEdge)
}
err := tick.Evaluate(script, scope)
if err != nil {
return nil, err
}
p := &Pipeline{Source: src}
p.Walk(p.setID)
return p, nil
}