This page lists the most frequently used Nodes according to category. If you've just started with Flowgear, it's a good idea to take a quick read through it.

There are a large number of other Nodes (including Connectors) that are not linked here. For a full listing of all Nodes, refer to the List of Nodes page.


Workflow Processing

Choose Enables branching of execution flow based on an expression.
Error Throw custom exceptions (errors) within the Workflow.
If Control process flow by evaluating an expression.
Loop Create a set number of iterations of a task. Also see Loop Exit.
Splitter Split XML into sections using XPath and iterate over each section.
Validate Evaluates a set of properties against a set of validations.
Variable Bar Create a Data Contract for your workflow by defining a set of variable inputs and outputs.
Workflow Executes a sub-workflow. This enables you to develop highly-reusable workflows and is comparable to calling a method in code.

Web Calls

JSON Request Execute a Web Request that takes a JSON payload and returns a JSON response.
Soap Request Execute a SOAP Request by populating the Envelope Header and Body. The raw SOAP Response is returned.
Web Request Execute a Web Request.


Transforming and Analysing Data

XML

JSON Convert Convert between JSON and XML.
QuickMap Visually Data Mapper - enables transformation of source data so it's appropriate for a target endpoint.
XML Merge Merge one XML document into another by matching rows on corresponding values.
XML Replace Replace multiple brace-encapsulated tags in a string template using an XML Document as a replacement dictionary.
XPath Match Return a match on an XPath in an XML document.
XPath Replace Match on an XPath in an XML document and replace it with a specific expression.
XSLT Transform Executes an XSLT 1.0 transform.

Regular Expression

RegEx Match One Returns the first match of a RegEx Pattern in an expression.
RegEx Matcher Fires for all matches of a RegEx pattern in an expression.


String Manipulation

Format Value Converts an expression to a specified type (eg. DateTime to String)
Formatter Replaces tags out of a string expression. Used for string concatenation or string template completion.
String Builder Provides a mechanism for appending strings to a variable that can be accessed from anywhere in the Workflow.
Substring Returns a substring by offset or by matching start and end expressions.

General

Expression Evaluates a C#-style expression, allowing you to query values of other Node Properties in code.
PDF Parser Returns text from a PDF document.
Script Executes arbitrary C# code, allowing you to query and set values of other Node Properties in code. Also support Custom Properties.

SQL

SQL Query Executes a SQL query against a SQL Server instance. For other types of SQL databases, look at ODBC Query and OLEDB Query
SQL Table Update Performs a bulk update and/or insert of data in a SQL Server database table. For other types of SQL databases, look at ODBC Table Update and OLEDB Table Update


Email & SMS

Email Alert Sends an alert from alert@flowgear.net to the designated recipients.
Email Watcher Polls a mailbox via POP for new email. Also consider IMAP Watcher to monitor a specific mailbox folder using IMAP.
Single Email Sends an email via SMTP using the provided SMTP server and credentials.
SMS Out Sends an SMS.

Data Reduction

Deduplicator Removes duplicate data in an XML document by evaluating matches on an XPath.
Reducer Removes data from an XML document that has been previously processed by evaluating hashes on XPath matches.


Windows Filesystem & FTP

File Reads and writes files as text or binary.
Flat File Converts a delimited or fixed-width file to XML, also converts XML to fixed-width or delimited.
File Watcher Monitors a filesystem or FTP folder for new or modified files.


Cache and Statistics

Cacher Store information in Flowgear Cache for fast acquisition of frequently accessed data.
Query Statistic Query a range of data stored in Flowgear Statistics.
Statistic Record progressive transaction or entity status in Statistics for unified analysis and reporting.


Workflow Scheduling (Triggers)

Day Scheduler Schedule a daily task at an interval between a start and end time.
Week Scheduler Schedule a task at an interval between a start and end time for specific days of the week.
Month Scheduler Schedule a task for a specific day of the month.
Timer Schedule a task for a specific interval.

General

Excel Generate an Excel document from XML or convert an Excel document into XML.
Process Start Execute a Windows Process synchronously or asynchronously and optionally engage with stdin, stdout and stderr.
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