November 2017
Beginner to intermediate
290 pages
7h 34m
English
book
Learning Apache Apex
by Ananth Gundabattula, Thomas Weise, Munagala V. Ramanath, David Yan, Kenneth Knowles
Content preview from Learning Apache Apex
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JSON
Another way of assembling applications without writing Java code is through JSON.
This format can be created manually, but it could also be used to generate the DAG from a different frontend, like a visual tool. Here is the word count written in JSON:
{ "displayName": "WordCountJSON", "operators": [ { "name": "input", ... }, { "name": "parse", ... }, { "name": "count", "class": "com.datatorrent.lib.algo.UniqueCounter", "properties": { "com.datatorrent.lib.algo.UniqueCounter": { "cumulative": false } } }, { "name": "console", ... } ], "streams": [ { "name": "lines", "sinks": [ { "operatorName": "parse", "portName": "input" } ], "source": { "operatorName": "input", "portName": "output" } }, { "name": "words", ... }, { "name": ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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