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#
#    http://www.apache.org/licenses/LICENSE-2.0
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---

name: "heron-sliding-window-topology"
type: "heron"

components:
  - id: "windowLength"
    className: "org.apache.heron.api.bolt.BaseWindowedBolt$Count"
    constructorArgs:
      - 5
  - id: "slidingInterval"
    className: "org.apache.heron.api.bolt.BaseWindowedBolt$Count"
    constructorArgs:
      - 3

config:
  topology.workers: 1

# spout definitions
spouts:
  - id: "spout-1"
    className: "org.apache.heron.examples.eco.TestNameSpout"
    parallelism: 1

# bolt definitions
bolts:
  - id: "bolt-1"
    className: "org.apache.heron.examples.eco.TestWindowBolt"
    configMethods:
      - name: "withWindow"
        args: [ref: "windowLength", ref: "slidingInterval"]
    parallelism: 1
  - id: "bolt-2"
    className: "org.apache.heron.examples.eco.TestPrintBolt"
    parallelism: 1


#stream definitions
# stream definitions define connections between spouts and bolts.
# note that such connections can be cyclical
streams:

  - from: "spout-1"
    to: "bolt-1"
    grouping:
      type: FIELDS
      args: ["word"]

  - from: "bolt-1"
    to: "bolt-2"
    grouping:
      type: SHUFFLE