Dierk König Dierk
Dierk
/ KanbanDemo.groovy
Created
September 13, 2011 19:32
Classic concurrent producer-consumer problem with using a kanban system to avoid buffer overflows when consumers are slow
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| import groovyx.gpars.dataflow.DataFlowQueue | |
| import groovyx.gpars.dataflow.operator.DataFlowPoisson | |
| 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 |