Development and tooling

Liferay Development

Liferay Development Liferay's development platform makes developers faster and more efficient by providing a baseline set of features to build upon. Rather than start from scratch, you can start...

Published Date: May 9, 2024 6:52 PM

Building Applications

Building Applications For maximum compatibility with all of Liferay's deployment options, you can combine Liferay's Objects, Client Extensions, and other features and tools to build real-world...

Published Date: May 9, 2024 6:52 PM

Building a Custom Ticketing System

Building a Custom Ticketing System Liferay makes it easy for you to build digital solutions. For example, you can create a custom ticketing application with the styling and features needed for your...

Published Date: May 9, 2024 6:52 PM

Defining a Custom Data Schema

Defining a Custom Data Schema The ticketing application requires custom data fields and selections. You use Liferay objects and picklists to define a custom data schema. Creating Custom Picklists...

Published Date: May 9, 2024 6:52 PM

Deploying a Custom Application

Deploying a Custom Application You can use a custom element client extension to render a JavaScript application as a widget on a Liferay site page. The application is served by Liferay and...

Published Date: May 9, 2024 6:52 PM

Implementing a Documentation Referral System

Implementing a Documentation Referral System The ticketing system can be further enhanced with a documentation referral system. The system searches automatically for relevant documentation based on...

Published Date: May 9, 2024 6:52 PM

Ticket Management with Cron Jobs

Ticket Management with Cron Jobs Use Cron jobs to automate managing tickets. For example, have a job to run at a regular schedule to delete any tickets that have a resolution type of duplicate or...

Published Date: May 9, 2024 6:52 PM

Applying a Custom Theme

Applying a Custom Theme You can use different front-end client extensions to customize the look and feel of your site. Specifically, theme CSS type client extension can be used as an alternative to...

Published Date: May 9, 2024 6:52 PM

Building a Time Off Requester

Building a Time Off Requester Liferay 7.4+ With Liferay Objects, you can build entire applications without writing code or deploying modules. Here, create a Time Off Request application using...

Published Date: May 9, 2024 6:52 PM

Asset Framework

Asset Framework The asset framework is behind many of Liferay's most powerful features. It provides tools for displaying and interacting with any type of content and data. For example, if you build...

Published Date: May 9, 2024 6:52 PM

Cache

Published Date: May 9, 2024 6:52 PM

Expando

Expando Accessing Custom Fields with Expando

Published Date: May 9, 2024 6:52 PM

Data Frameworks

Published Date: May 9, 2024 6:52 PM

Data Scopes

Published Date: May 9, 2024 6:52 PM

Defining Entities

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...

Published Date: May 9, 2024 6:52 PM

Adding Model Hints

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....

Published Date: May 9, 2024 6:52 PM

Configuring Global Service Options

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...

Published Date: May 9, 2024 6:52 PM

Defining Entity Finder Methods

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,...

Published Date: May 9, 2024 6:52 PM

Accessing Custom Fields With Expandos

Accessing Custom Fields With Expandos When you need additional fields in your application, you can always add them in your service model definition and re-run Service Builder. This adds new columns...

Published Date: May 9, 2024 6:52 PM

Service Builder

Service Builder An application without reliable business logic or persistence isn't much of an application at all. Unfortunately, writing your own persistence code often takes a great deal of time....

Published Date: May 9, 2024 6:52 PM

Defining Entity Columns

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...

Published Date: May 9, 2024 6:52 PM

Defining Entity Relationships

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...

Published Date: May 9, 2024 6:52 PM

Modifying Database Fields in Development

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...

Published Date: May 9, 2024 6:52 PM

Service Builder Basics

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,...

Published Date: May 9, 2024 6:52 PM

Upgrading Data Schemas

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...

Published Date: May 9, 2024 6:52 PM

Developing a Java Web Application

Published Date: May 9, 2024 6:53 PM

Reference

Published Date: May 9, 2024 6:53 PM

Sorting Entity Instances

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...

Published Date: May 9, 2024 6:52 PM

Generating Model, Persistence, and Service Code

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...

Published Date: May 9, 2024 6:52 PM

Invoking a Service Locally

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...

Published Date: May 9, 2024 6:52 PM

Understanding and Extending Generated Classes

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...

Published Date: May 9, 2024 6:52 PM

Multithreading Process

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...

Published Date: May 9, 2024 6:52 PM

Using Upgrade Processes

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...

Published Date: May 9, 2024 6:53 PM

Portlet 3.0 API Opt In

Portlet 3.0 API Opt In A portlet must specify version 3.0 to opt in to the Portlet 3.0 API. The 3.0 Portlet API version can be specified in the following ways. Standard Portlet @PortletApplication...

Published Date: May 9, 2024 6:53 PM

Portlet Descriptor to OSGi Service Property Map

Portlet Descriptor to OSGi Service Property Map Here's a map of portlet XML descriptor values to OSGi service properties for publishing OSGi Portlets. The properties centralize and simplify portlet...

Published Date: May 9, 2024 6:53 PM

Portlet IDs

Portlet IDs Below is a listing of the portlet IDs for the default portlets in Liferay DXP. You can use these IDs to embed portlets in your theme's sitemap. Collaboration PortletID...

Published Date: May 9, 2024 6:53 PM

Liferay Faces Portal

Liferay Faces Portal Liferay Faces Portal is distributed in a .jar file. You can add Liferay Faces Portal as a dependency for your portlet projects to use its Liferay-specific utilities and UI...

Published Date: May 9, 2024 6:53 PM

MVC Action Command

MVC Action Command MVC Action Commands handle actions as separate classes. With Action Commands, you can organize action logic in MVCPortlets that have many actions. Action URLs in the portlet's...

Published Date: May 9, 2024 6:53 PM

Portlets

Portlets Liferay DXP started off as a portal server for Java-based web applications called portlets (see JSR 168, JSR-286, and JSR-362). Portlets process requests and generate responses like any...

Published Date: May 9, 2024 6:53 PM

Using Bean Portlet

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...

Published Date: May 9, 2024 6:53 PM