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Feature
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

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