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# Test ability to wire together shell spouts/bolts
---
# topology definition
# name to be used when submitting
name: "hbase-wordcount"
# Components
# Components are analagous to Spring beans. They are meant to be used as constructor,
# property(setter), and builder arguments.
#
# for the time being, components must be declared in the order they are referenced
components:
- id: "columnFields"
className: "backtype.storm.tuple.Fields"
constructorArgs:
- ["word"]
- id: "counterFields"
className: "backtype.storm.tuple.Fields"
constructorArgs:
# !!! the following won't work, and should thow an IllegalArgumentException...
- "count"
- id: "mapper"
className: "org.apache.storm.hbase.bolt.mapper.SimpleHBaseMapper"
configMethods:
- name: "withRowKeyField"
args: ["word"]
- name: "withColumnFields"
args: [ref: "columnFields"]
- name: "withCounterFields"
args: [ref: "counterFields"]
- name: "withColumnFamily"
args: ["cf"]
# topology configuration
# this will be passed to the submitter as a map of config options
#
config:
topology.workers: 1
hbase.conf:
hbase.rootdir: "hdfs://hadoop:54310/hbase"
hbase.zookeeper.quorum: "hadoop"
# spout definitions
spouts:
- id: "word-spout"
className: "backtype.storm.testing.TestWordSpout"
parallelism: 1
# bolt definitions
bolts:
- id: "count-bolt"
className: "backtype.storm.testing.TestWordCounter"
- id: "hbase-bolt"
className: "org.apache.storm.hbase.bolt.HBaseBolt"
constructorArgs:
- "WordCount" # HBase table name
- ref: "mapper"
configMethods:
- name: "withConfigKey"
args: ["hbase.conf"]
parallelism: 1
streams:
- name: "" # name isn't used (placeholder for logging, UI, etc.)
from: "word-spout"
to: "count-bolt"
grouping:
type: SHUFFLE
- name: "" # name isn't used (placeholder for logging, UI, etc.)
from: "count-bolt"
to: "hbase-bolt"
grouping:
type: FIELDS
args: ["word"]