dubito, ergo cogito, ergo sum..."I doubt, therefore I think, therefore I am" -Descartes "If there's any doubt, there is no doubt." -- "Sam" (Robert DeNiro) from "Ronin." "Question Everything." --…
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Month: May 2018
Making Asynchronous Requests — Lucidworks Fusion JavaScript Stage
There are many ways you can make an asynchronous request in a JavaScript stage. Using the Apache HTTP Client Using the native Java URL or URI classes Using the native…
“Stateful” persistence in a Fusion JavaScript Pipeline
One of the most useful features of Nashorn JavaScript in Lucidworks Fusion is the ability to access Java objects within the context of your JavaScript stage. Often times, you'll want…
Making an Authenticated REST Call in a Fusion Pipeline
REST... easy! There are times you just need to reach outside the box and do something. Sometimes that something would be launching a process, or perhaps making an alternate query,…
Multi-threaded JavaScripting Using the Nashorn JavaScript Engine
I have been writing JavaScript for enterprise applications for more than 20 years. From that statement, it's easy to discern that I've been a JavaScript advocate for a long, long…
Extracting Values from Element Attributes using Jsoup and a JavaScript Stage
While Fusion comes with built-in Jsoup selector functionality, it is limited in its extraction capability. If you want to do something like extract attribute values -- in particular attribute values…
Overriding the Query Pipeline, Pt III
When we last left our rogue query pipeline in Pt II, we had made our Solr query and had tucked the response into a JSON object. This call was made…
Overriding the Query Pipeline, Pt II
In our prior discussion, I showed you how to override the query pipeline in Fusion. So what do we do now? Most often times, the reason people want to override…
Overriding the Query Pipeline in Lucidworks Fusion 3.x
One of the most common questions I come across when discussing a query pipeline solution would have to be this: "How do I alter or transform the final result set?"…