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Deployment Approach
Default Setting Changes in 7.4
Default Setting Changes in 7.4 Most new versions of Liferay DXP include changes to the default settings. If you rely on the defaults from your old version, you should review the changes and decide...
Published Date: Apr 26, 2024 8:54 PM
Database Upgrade Options
Database Upgrade Options When a release, update, or fix pack has database schema changes, it's helpful to know the options for applying the changes. Here you'll find the database upgrade options...
Published Date: Apr 26, 2024 8:54 PM
Data Cleanup
Data Cleanup Available 7.3+ When you're done using an obsolete Liferay app or capability, you can remove its data. You can use the Control Panel or a configuration file to do data cleanup. Here's...
Published Date: Apr 26, 2024 8:54 PM
Renamed Language Keys
Renamed Language Keys In Liferay DXP/Portal 7.4, module language keys were centralized to a module called portal-language-lang. Source location: ...
Published Date: Apr 26, 2024 8:54 PM
Upgrade Basics
Upgrade Basics Liferay's tools and instructions facilitate upgrading DXP and Portal environments safely and quickly. Non-clustered environments that have small data sets, for example can be...
Published Date: Apr 26, 2024 8:54 PM
Maintenance Mode and Deprecations in 7.4
Maintenance Mode and Deprecations in 7.4 With each new Liferay DXP and Liferay Portal release, a feature may not warrant continued enhancements or may become obsolete. Stopping enhancements for a...
Published Date: Apr 26, 2024 8:54 PM
Troubleshooting Upgrades
Troubleshooting Upgrades Skipping an upgrade step or creating custom references to the Liferay database, can cause upgrade issues. The following questions and answers address some common...
Published Date: Apr 26, 2024 8:54 PM
File Store Updates
File Store Updates File store options and configuration values changed in Liferay DXP 7.0. If you're on 7.0 or earlier and are affected by these changes, you must update your file store before...
Published Date: Apr 26, 2024 8:54 PM
Upgrading Via Docker
Upgrading Via Docker Running a Liferay Docker image with auto-upgrade enabled uses the Database Upgrade Tool to upgrade your database transparently on Liferay startup. After the upgrade completes,...
Published Date: Apr 26, 2024 8:54 PM
Example: Removing Intermediate Journal Article Versions
Example: Removing Intermediate Journal Article Versions These instructions and code samples demonstrate removing intermediate Journal Article versions. In the script console, you can remove...
Published Date: Apr 26, 2024 8:54 PM
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: Apr 26, 2024 8:54 PM
Upgrading Custom Development
Upgrading Custom Development Upgrading on 7.4 This section is under construction. If you're upgrading a language key override to 7.4+, follow the language key override upgrade instructions first....
Published Date: Apr 26, 2024 8:54 PM
Upgrading Language Key Overrides
Upgrading Language Key Overrides In Liferay DXP/Portal 7.4, Liferay module language keys were moved to the Liferay Portal Language module. Many keys were renamed. If you're overriding a renamed...
Published Date: Apr 26, 2024 8:54 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:54 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 PM
Data Frameworks
Data Frameworks :file: ../../landingpage_template.html :file: data-frameworks/landing.html
Published Date: Apr 26, 2024 8:55 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, you'll create a Time Off Request application...
Published Date: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 PM
Expando
Expando Accessing Custom Fields with Expando
Published Date: Apr 26, 2024 8:55 PM
Cache
Cache :file: ../../landingpage_template.html :file: cache/landing.html
Published Date: Apr 26, 2024 8:55 PM
Enabling Assets
Enabling Assets Many of Liferay's applications (e.g. Blogs, Documents and Media, Message Boards, etc.) are asset-enabled out of the box. You can publish assets with the Asset Publisher widget or...
Published Date: Apr 26, 2024 8:55 PM
Implementing an Item Selector
Implementing an Item Selector Item selectors are pop-up dialogs for selecting assets, such as documents, videos, or users. By configuring the item selector's criteria and defining its usage, you...
Published Date: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 PM
Data Scopes
Data Scopes :file: ../../landingpage_template.html :file: data-scopes/landing.html
Published Date: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 PM
Business Logic with Service Builder
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...
Published Date: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 PM
Upgrade Processes
Upgrade Processes :file: ../../landingpage_template.html :file: upgrade-processes/landing.html
Published Date: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 PM
Upgrading Your Database Tables
Upgrading Your Database Tables Liferay DXP 7.4 U10+ or Liferay Portal 7.4 GA14+ An upgrade of your application may require making changes to your database tables. Liferay's Upgrade framework makes...
Published Date: Apr 26, 2024 8:55 PM
Developing a Java Web Application
Developing a Java Web Application :file: ../landingpage_template.html :file: developing-a-java-web-application/landing.html
Published Date: Apr 26, 2024 8:55 PM
Reference
Reference :file: ../../landingpage_template.html :file: reference/landing.html
Published Date: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 PM
CDI Portlet Predefined Beans
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...
Published Date: Apr 26, 2024 8:55 PM
Using JSF
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...
Published Date: Apr 26, 2024 8:55 PM
Reference
Reference :file: ../../../landingpage_template.html :file: reference/landing.html
Published Date: Apr 26, 2024 8:55 PM
Reference
Reference :file: ../../../landingpage_template.html :file: reference/landing.html
Published Date: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 PM
Using MVC
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...
Published Date: Apr 26, 2024 8:55 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: Apr 26, 2024 8:55 PM

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