Github user itaifrenkel commented on a diff in the pull request:
https://github.com/apache/incubator-storm/pull/177#discussion_r17314627
--- Diff: examples/storm-starter/multilang/resources/asyncSplitsentence.js
---
@@ -0,0 +1,32 @@
+/**
+ * Example for async bolt. Receives sentence and breaks it into words.
+ *
+ */
+
+
+var storm = require('./storm');
+var BasicBolt = storm.BasicBolt;
+
+function SplitSentenceBolt() {
+ BasicBolt.call(this);
+};
+
+SplitSentenceBolt.prototype = Object.create(BasicBolt.prototype);
+SplitSentenceBolt.prototype.constructor = SplitSentenceBolt;
+
+SplitSentenceBolt.prototype.process = function(tup, done) {
+ var self = this;
+
+ // Here setTimeout is not really needed, we use it to demonstrate
asynchronous code in the process method:
+ setTimeout(function() {
+ var words = tup.values[0].split(" ");
+ words.forEach(function(word) {
+ self.emit({tuple: [word], anchorTupleId: tup.id},
function(taskIds) {
--- End diff --
WordCountTopologyNode.WordCount Bolt extends BaseBasicBolt which is then
wrapped by BasicBoltExecutor which AFAIK acks
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