Ignite Cookbook

This is a collection of recipes for how to use Ignite to solve many common programming tasks.

Each recipe addresses a specific problem and shows by example how it can be solved using the capabilities of the platform.

Table of Contents

Messages

Set a message property to a fixed value Delete a message property Move a message property Map a property between different numeric ranges

Flow control

Trigger a flow whenever Ignite starts Trigger a flow at regular intervals Trigger a flow at a specific time Route a message based on one of its properties Route a message based on a context value Perform an operation on each element in an array Trigger a flow if a message isn’t received after a defined time Send placeholder messages when a stream stops sending Slow down messages passing through a flow Handle messages at a regular rate Drop messages that have not changed value Create a single message from separate streams of messages

Error handling

Trigger a flow when a node throws an error Automatically retry an action after an error

Working with data formats

Convert to/from JSON Convert to/from XML Convert to/from YAML Generate CSV output Parse CSV input Extracting data from an HTML page Split text into one message per line

HTTP endpoints

Create an HTTP Endpoint Handle query parameters passed to an HTTP endpoint Handle url parameters in an HTTP endpoint Access HTTP request headers Serve JSON content Serve a local file Post raw data to a flow Post form data to a flow Post JSON data to a flow Work with cookies

HTTP requests

Simple GET request Set the url of a request Set the url of a request using a template Set query string parameters Get a parsed JSON response Get a binary response Set a request header

MQTT

Connect to an MQTT broker Publish messages to a topic Set the topic of a published message Publish a retained message to a topic Subscribe to a topic Receive a parsed JSON message

OData

Define a Metadata Model Define Metadata Model using EDM Convert Request to Query Read Only OData Service Create an OData Service

Sequelize

Execute a Query

Auth

Basic Authentication Generate JWT Verify JWT

JSONata

JSONata Node JSONata Explorer

Breakpoint

Introduction How to use

OpenAPI

Introduction OpenAPI Router OpenAPI Client

Designer

Monitor

Introduction How to use

Release Management

Upload Download Release Packages

CI/CD

Introduction Installation