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Feature
Deployment Approach
Post-Upgrade Considerations
Post-Upgrade Considerations After upgrading the database, you should configure Liferay for production again and check up on feature changes that might affect your Liferay instance. Re-enable...
Published Date: May 9, 2024 6:52 PM
Upgrading via Auto Upgrade
Upgrading via Auto Upgrade You can upgrade your database automatically by enabling auto upgrade via the portal property before starting up your instance. **Always** [back...
Published Date: May 9, 2024 6:52 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: May 9, 2024 6:52 PM
Upgrading Custom Development
Upgrading Custom Development Upgrading on 7.4 After upgrading your installation, you must also upgrade your customizations. This includes apps, services, configurations, and more. The steps to...
Published Date: May 9, 2024 6:52 PM
Using the Database Upgrade Tool
Using the Database Upgrade Tool The Liferay Database Upgrade Tool is a client program for upgrading Liferay DXP and Liferay Portal databases offline. Always back up your data and installation...
Published Date: May 9, 2024 6:52 PM
Upgrade Stability and Performance
Upgrade Stability and Performance When you upgrade a DXP instance for a production release, the data upgrades must be done correctly and swiftly. Here are some ways to help assure success: ...
Published Date: May 9, 2024 6:52 PM
Database Pruning for Faster Upgrades
Database Pruning for Faster Upgrades The more data you have the longer your data upgrade takes. Unneeded site data is a common occurrence. Pruning the database of unneeded data improves upgrade...
Published Date: May 9, 2024 6:52 PM
Database Tuning for Upgrades
Database Tuning for Upgrades Performing an upgrade impacts the database differently from daily running in production. Because of this, you should tune your database for the upgrade process before...
Published Date: May 9, 2024 6:52 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: May 9, 2024 6:52 PM
Upgrading Modules Using Gogo Shell
Upgrading Modules Using Gogo Shell To troubleshoot upgrade issues with particular modules, it may be necessary to test and perform upgrades on a per-module basis, instead of en-masse. Liferay has...
Published Date: May 9, 2024 6:52 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: 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
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
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
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
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
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
Data Frameworks
Data Frameworks
Published Date: May 9, 2024 6:52 PM
Cache
Cache
Published Date: May 9, 2024 6:52 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: 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
Data Scopes
Data Scopes
Published Date: May 9, 2024 6:52 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: 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
Using Custom SQL Queries
Using Custom SQL Queries Service Builder creates finder methods that retrieve entities by their attributes (their column values). When you add a column as a parameter for the finder in your...
Published Date: Sep 6, 2024 3:37 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
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
Advanced Queries
Advanced Queries Service Builder doesn't limit you to elements in service.xml. If simple finders aren't sufficient for getting data out of your application, there are three other ways to make the...
Published Date: Jan 11, 2025 4:12 PM
Using Dynamic Query
Using Dynamic Query Liferay's Dynamic Query API wraps Hibernate's Criteria API. It helps you think in terms of objects and member variables instead of tables and columns. Complex queries can be...
Published Date: Jan 18, 2025 2:47 AM
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
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
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 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 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
Expando
Expando Accessing Custom Fields with Expando
Published Date: May 9, 2024 6:52 PM
Using Domain-Specific Language Queries
Using Domain-Specific Language Queries Liferay 7.4+ DSL Query is an acronym for Domain-Specific Language Query. The foundation is based upon using a domain-specific language for the...
Published Date: Jan 18, 2025 2:47 AM
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: May 9, 2024 6:52 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

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