Joget Workflow v5 Training Slides - Module 15 - Introduction to Plugin Architecture

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Joget Workflow v5
Introduction to Plugin Architecture
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Last Revised on May 2016Joget Inc Internal Use Only

Prerequisites
1. Understand Java web enterprise application and able to
code.
2. Understand basic Joget Workflow components and its
usages.
Joget Inc Internal Use Only

Content
1. Introduction to Plugins
2. Plugin Types

Chapter 1
Introduction to Plugins

What is Plugin?
• Allows the functionality of the system to be extended
dynamically.
• To achieve extensibility and adaptability of product features
• Any kind of integration that is not yet available in Joget
Workflow as standard feature can be accomplished by
developing a plugin, without breaking the fundamental core of
the product.
• Joget Workflow plugin architecture supported 2 type of plugin
structure
– Standard Java Plugin
– Dynamic OSGi Plugin

Plugin Architecture

Standard Java Plugin
• Build as a standard Java JAR
• Plugin classes should be placed in a package name starting
with “org.joget”. (OEM release package are allowed to specify
other package names)
• Make JAR available in the Java classpath (e.g., place it under
WEB-INF/lib or application server lib folder).
• Requires restarting the JVM for deployment or changes.
• May cause library version conflicts with base libraries or other
plugins.
• Easier to develop and test using normal Java classes and
libraries.

Dynamic OSGi Plugin
• Build as an OSGi (Open Services Gateway initiative
framework) JAR bundle.
• Deploy JAR using the Manage Plugins in the Web Console.
• Supports dynamic loading/unloading/reloading without
restarting.
• Runs in isolated mode, preventing library version conflict
with base libraries or other plugins.
• More difficult to develop and test due to OSGi
configuration and isolation.
• Technology powering this structure: Apache Felix.

Chapter Review
• Able to differentiate between the 2 types of plugin.

Chapter 2
Plugin Types

Locate available plugins
• Settings -> Manage Plugins

Plugin Types

Workflow Engine Plugin Types
• Deadline Plugins provide the ability to recalculate
deadline limit and SLA limit based on programming logic.
• Process Participant Plugins are used to provide custom
selection of users to workflow participants.
• Process Tool / Post Form Submission Processing Plugins
to integrate with external systems and allow extra
processing in the middle of a process.

Datalist Builder Plugin Types
• Datalist Action Plugins to extend methods of executing
an action on list item. (e.g. Delete a record)
• Datalist Binder Plugins to extend methods of loading data
for a list.
• Datalist Column Formatter Plugins to extend ways of
formatting column data.
• Datalist Filter Type Plugins provides more means of
filtering data.

Userview Builder Plugin Types
• Userview Menu Plugins to extend types of pages
available in Userview Builder.
• Userview Permission Plugins to handle permissions and
access rights in a userview.
• Userview Theme Plugins to change the UI design of
userview.

Form Builder Plugin Types
• Form Field Element Plugins to extend types of fields
available in Form Builder
• Form Permission Plugins to handle permissions and
access rights in a form.
• Form Load Binder Plugins to extend methods of loading
data in a form from any data source.
• Form Options Binder Plugins to extends method to
loading data for a form field’s options from any data
source.

Form Builder Plugin Types
• Form Store Binder Plugins to extend methods of storing
data in a form to any data source.
• Form Validator Plugins to extend ways to validate form
data.

App Level Plugin Types
• Audit Trail Plugins is triggered after process related event
to provide extra processing capabilities. (e.g. Capture
reporting data or user notification.)
• Hash Variable Plugins to extend support of processing
Hash Variable.
• Web Service Plugins to provide additional HTML page or
Web Service for AJAX call for the system.
• Generator Plugins to generate/scaffolding work for app
based on current working form in the Form Builder.

System Level Plugin Types
• Directory Manager Plugins to integrate users from
external system. E.g. Active Directory or LDAP
• Web Service Plugins to provide additional HTML page or
Web Service for AJAX call for the system.

Chapter Review
• Understand all types of plugins and the purpose that each
of the plugin type serves.

Module Review
1. Introduction to Plugins
2. Plugin Types

Recommended Further Learning
• Building Joget from source.
• Learn to create a Plugin.

Stay Connected with Joget Workflow
• http://www.joget.org
• http://community.joget.org
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• http://facebook.com/jogetworkflow
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• http://slideshare.net/joget

Joget Workflow v5 Training Slides - Module 15 - Introduction to Plugin Architecture

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Joget Workflow v5 Training Slides - Module 15 - Introduction to Plugin Architecture