macg33zr
/ KanbanDemo.groovy
Created
March 20, 2012 09:57
— forked from Dierk/KanbanDemo.groovy
Classic concurrent producer-consumer problem with using a kanban system to avoid buffer overflows when consumers are slow
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import groovyx.gpars.dataflow.DataflowQueue | |
| import groovyx.gpars.dataflow.operator.PoisonPill | |
| import static groovyx.gpars.dataflow.Dataflow.operator | |
| import java.util.concurrent.atomic.AtomicInteger | |
| def upstream = new DataflowQueue() // empty trays travel back upstream to the producer | |
| def downstream = new DataflowQueue() // trays with products travel to the consumer downstream | |
| def prodWiring = [inputs: [upstream], outputs: [downstream], maxForks: 3 ] // maxForks is optional | |
| def consWiring = [inputs: [downstream], outputs: [upstream], maxForks: 3 ] // maxForks is optional |