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The latitude and longitude values are in the incoming record, and dynamic properties in LookupRecord are provided to "find" the lat/long fields and pass them to the ScriptedLookupService. This example flow illustrates the use of a ScriptedLookupService in order to perform a latitude/longitude lookup to determine geographical location. NOTE: This template depends on features available in the next release of Apache NiFi (presumably 1.3.0) which is not released as of this writing. ReverseGeoLookup_ScriptedLookupService.xml
#Dvdpedia xml template how to#
Here, we have a collection of useful templates for learning about how to build DataFlows with the existing Processors. Please feel free to add any useful templates below. Templates received from others can then be imported into an instance of NiFi and dragged onto the canvas.įor more information on Templates, including how to import, export, and work with them, please see the Template Section of the User Guide. Once a DataFlow has been created, parts of it can be formed into a Template. This Template can then be dragged onto the canvas, or can be exported as an XML file and shared with others. A Template is a way of combining these basic building blocks into larger building blocks. At times, though, using these small building blocks can become tedious if the same logic needs to be repeated several times. To solve this issue, NiFi provides the concept of a Template. This is achieved by using the basic components: Processor, Funnel, Input/Output Port, Process Group, and Remote Process Group. These can be thought of as the most basic building blocks for constructing a DataFlow. Apache NiFi provides users the ability to build very large and complex DataFlows using NiFi.