| # -*- coding: utf-8 -*- |
| |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| require File.expand_path("storm", File.dirname(__FILE__)) |
| |
| $words = ["nathan", "mike", "jackson", "golda", "bertels人"] |
| |
| def random_word |
| $words[rand($words.length)] |
| end |
| |
| class TesterSpout < Storm::Spout |
| attr_accessor :uid, :pending |
| |
| def open(conf, context) |
| emit ['spout initializing'] |
| self.pending = {} |
| self.uid = 0 |
| end |
| |
| def nextTuple |
| sleep 0.5 |
| word = random_word |
| id = self.uid += 1 |
| self.pending[id] = word |
| emit [word], :id => id |
| end |
| |
| def ack(id) |
| self.pending.delete(id) |
| end |
| |
| def fail(id) |
| word = self.pending[id] |
| log "emitting " + word + " on fail" |
| emit [word], :id => id |
| end |
| end |
| |
| TesterSpout.new.run |