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Resource Type
Applicable Versions
Deployment Approach
Capability
Feature
Using a CSS Client Extension
Official Documentation
Using a CSS Client Extension Liferay 7.4+ CSS client extensions introduce new CSS styling to pages. A deployed CSS client extension on a page adds to the page's existing styling, including theme...
Embedding Widgets Using Templates
Official Documentation
Embedding Widgets Using Templates You can embed a widget in your theme to make it available on all pages using the chosen template file. When you are embedding a widget, you will need to reference...
CSS YAML Configuration Reference
Official Documentation
CSS YAML Configuration Reference You can define a CSS client extension with a client-extension.yaml file. Usage Details This client-extension.yaml file defines a CSS client extension definition: ...
Frontend Data Set Cell Renderer YAML Reference
Official Documentation
Frontend Data Set Cell Renderer YAML Reference You can define a Frontend Data Set cell renderer client extension with a client-extension.yaml file. Usage Details The client-extension.yaml file...
Using a JavaScript Client Extension
Official Documentation
Using a JavaScript Client Extension Liferay 7.4+ With a JavaScript (JS) client extension, you can run your own JavaScript on any page in Liferay without worrying about dependencies on Liferay code...
JavaScript YAML Configuration Reference
Official Documentation
JavaScript YAML Configuration Reference You can define a JavaScript client extension with a client-extension.yaml file. Usage Details This client-extension.yaml file defines a JavaScript client...
Using a Frontend Data Set Cell Renderer Client Extension
Official Documentation
Using a Frontend Data Set Cell Renderer Client Extension Liferay 7.4+ You can use Frontend Data Set (FDS) cell renderer client extensions to customize the display for your data set. Use this type...
Using a Frontend Data Set Filter Client Extension
Official Documentation
Using a Frontend Data Set Filter Client Extension Liferay DXP 2024.Q2+/Portal GA120+ Frontend data set filter client extensions define JavaScript functions for creating customizable filter...
Using a Theme CSS Client Extension
Official Documentation
Using a Theme CSS Client Extension Liferay 7.4+ With a theme CSS client extension, you can override the current theme's CSS files (main.css and clay.css) to change the look and feel of a page....
Using a Theme Favicon Client Extension
Official Documentation
Using a Theme Favicon Client Extension Liferay 7.4+ With a theme favicon client extension, you can override the theme's favicon on the selected page. Start with the sample workspace to build and...
Theme CSS YAML Configuration Reference
Official Documentation
Theme CSS YAML Configuration Reference You can define a theme CSS client extension with a client-extension.yaml file. Usage Details This client-extension.yaml file defines a theme CSS client...
Theme Favicon YAML Configuration Reference
Official Documentation
Theme Favicon YAML Configuration Reference You can define a theme favicon client extension with a client-extension.yaml file. Usage Details This client-extension.yaml file defines a theme favicon...
Defining Entity Relationships
Official Documentation
Defining Entity Relationships Relationships between database entities or Java objects are necessary for most applications. Take Liferay's Message Boards application as an example. Each Message...
Configuring service.properties
Official Documentation
Configuring service.properties Service Builder generates a service.properties file in your *-service module's src/main/resources folder. Liferay uses this file's properties to alter your service's...
Connecting Service Builder to an External Database
Official Documentation
Connecting Service Builder to an External Database Service builder creates the necessary tables for the service in the lportal database with all other data used by Liferay. If you want to store the...
Defining Entities
Official Documentation
Defining Entities Entities are the heart and soul of a service. They represent the map between the model objects in Java and your database fields and tables. Service Builder automatically maps your...
Configuring Global Service Options
Official Documentation
Configuring Global Service Options A service's global options apply to all its entities. Here are the options: Dependency Injector Package path Multiversion concurrency control Namespace...
Defining Entity Columns
Official Documentation
Defining Entity Columns An entity's columns represent its attributes. These attributes map table fields to Java object fields. Here you'll examine the sample project from Understanding and...
Defining Entity Finder Methods
Official Documentation
Defining Entity Finder Methods Finder methods retrieve entity objects from the database based on specified parameters. For each finder defined, Service Builder generates several methods to fetch,...
Understanding and Extending Generated Classes
Official Documentation
Understanding and Extending Generated Classes Service Builder generates both tables for your entity and model, persistence, and service classes for it. Here you'll examine generated classes for an...
Business Logic with Service Builder
Official Documentation
Business Logic with Service Builder Once you've generated model, persistence, and service code with Service Builder, you can begin adding business logic. Entities generated by Service Builder...
Adding Model Hints
Official Documentation
Adding Model Hints Once you've used Service Builder to define model entities, you may want to refine how users enter that data. Model hints specify entity data restrictions and other formatting....
Modifying Database Fields in Development
Official Documentation
Modifying Database Fields in Development As you develop an application, you might need to add fields to your database. This is a normal process of iterative development: you get an idea for a new...
Generating Model, Persistence, and Service Code
Official Documentation
Generating Model, Persistence, and Service Code Service Builder makes it easy to define models and generate model, persistence, and service code for them. You'll experience this by defining a model...
Invoking a Service Locally
Official Documentation
Invoking a Service Locally Service Builder services that are deployed to DXP/Portal can be invoked from other classes in the same JVM. These services are local to the classes. Service Builder...
Upgrading Data Schemas
Official Documentation
Upgrading Data Schemas When you upgrade Liferay, you might run into incompatibility issues with your custom modules' data schemas. There are three ways you can resolve these issues: You can run...
Multithreading Process
Official Documentation
Multithreading Process Liferay DXP 7.4 U10+ or Liferay Portal 7.4 GA14+ Your Upgrade Processes may involve making complex changes to large data sets. If performance is critical, use the...
Sorting Entity Instances
Official Documentation
Sorting Entity Instances Often, you want to retrieve multiple instances of a given entity and list them in a particular order. The service.xml file lets you specify the default order of your...
Service Builder Basics
Official Documentation
Service Builder Basics Using Service Builder helps you learn it. You'll use it to learn the basics: Generating Model, Persistence, and Service Code: Define a basic model, generate code from it,...
Using Upgrade Processes in Earlier Versions
Official Documentation
Using Upgrade Processes in Earlier Versions Liferay DXP 7.4 U10/Portal 7.4 GA14 and Below Follow these steps to create an upgrade process for your module: Open your module's bnd.bnd file, and...
Using Upgrade Processes
Official Documentation
Using Upgrade Processes Liferay DXP 7.4 U10+/Portal 7.4 GA14+ An upgrade of your application may require making changes to your database tables. Liferay's upgrade framework makes it easy to make...
Using Bean Portlet
Official Documentation
Using Bean Portlet Portlet 3.0, the JSR 362 standard, features a style of portlet development called Bean Portlets that use Contexts and Dependency Injection (CDI). Bean Portlets fully leverage all...
CDI Portlet Predefined Beans
Official Documentation
CDI Portlet Predefined Beans Liferay DXP provides injectable portlet artifacts for CDI called Portlet Predefined Beans, as specified by JSR 362. There are two types of predefined beans: Portlet...
Developing a Web Application
Official Documentation
Developing a Web Application
Reference
Official Documentation
Reference
Using JSF
Official Documentation
Using JSF Liferay Faces is an umbrella project that provides support for the JavaServer[™] Faces (JSF) standard in Liferay DXP/Portal. Here are the Liferay Faces topics: Introduction to Liferay...
Reference
Official Documentation
Reference
Liferay Faces Alloy
Official Documentation
Liferay Faces Alloy Liferay Faces Alloy is distributed in a .jar file. You can add Liferay Faces Alloy as a dependency to your portlet projects, to use AlloyUI in a way that is consistent with JSF...
Liferay Faces Bridge
Official Documentation
Liferay Faces Bridge Liferay Faces Bridge enables you to deploy JSF web apps as portlets without writing portlet-specific code. It also contains innovative features that make it possible to...
Using MVC
Official Documentation
Using MVC If you're an experienced developer, this is not the first time you've heard about Model View Controller. If there are so many implementations of MVC frameworks in Java, why did Liferay...