Search Results

All Results 6987
Resource Type
Applicable Versions
Deployment Approach
Capability
Feature
Message Bus
Official Documentation
Message Bus The Message Bus provides a loosely coupled way to exchange messages. A class sending a message invokes the Message Bus to send the message to a destination, while other classes...
Data Frameworks
Official Documentation
Data Frameworks
Using Default Synchronous Messaging in Previous Versions
Official Documentation
Using Default Synchronous Messaging in Previous Versions Synchronous messaging was removed and is no longer supported for Liferay DXP 7.4 U49/Liferay Portal 7.4 GA49 and above. In default...
Listening for Registration Events
Official Documentation
Listening for Registration Events Liferay DXP 2023.Q3/Portal GA92 and Below The messaging API supports listening for destination and message listener registration events. Here are some reasons to...
Tuning Messaging Performance
Official Documentation
Tuning Messaging Performance Messaging performance is tuned at the destinations. Performance depends on the destination type, the amount of processing the message listeners require, and the thread...
Using Direct Synchronous Messaging in Previous Versions
Official Documentation
Using Direct Synchronous Messaging in Previous Versions Synchronous messaging was removed and is no longer supported for Liferay DXP 7.4 U49/Liferay Portal 7.4 GA49 and above. Direct synchronous...
Asset Framework
Official Documentation
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...
Enabling Assets
Official Documentation
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...
Cache
Official Documentation
Cache
Data Scopes
Official Documentation
Data Scopes
Expando
Official Documentation
Expando Accessing Custom Fields with Expando
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...
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,...
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...
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...
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...
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...
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...
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....