Development and tooling

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

Reference

Published Date: May 9, 2024 6:53 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: May 9, 2024 6:53 PM

Using JSF

Using JSF Liferay Faces is deprecated due to a future migration to Jakarta EE 10. Instead, use client extensions or Liferay Objects if possible. Alternatively, use Liferay's MVC Portlet. Liferay...

Published Date: May 9, 2024 6:53 PM

Reference

Published Date: May 9, 2024 6:53 PM

Liferay Faces Alloy

Liferay Faces Alloy Liferay Faces Alloy is distributed in a .jar file. You can add Liferay Faces Alloy as a dependency to your portlet projects, to use AlloyUI in a way that is consistent with JSF...

Published Date: May 9, 2024 6:53 PM

Liferay Faces Bridge

Liferay Faces Bridge Liferay Faces Bridge enables you to deploy JSF web apps as portlets without writing portlet-specific code. It also contains innovative features that make it possible to...

Published Date: May 9, 2024 6:53 PM

Liferay Faces Version Scheme

Liferay Faces Version Scheme In this article, you'll learn which Liferay Faces artifacts should be used with your portlet and explore the Liferay Faces versioning scheme by discovering what each...

Published Date: May 9, 2024 6:53 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: May 9, 2024 6:53 PM

Invoking Actions with MVC Portlet

Invoking Actions with MVC Portlet A portlet's Action phase applies state changes. You can bind your portlet's action-handling methods to UI components using portlet action URLs. They are...

Published Date: May 9, 2024 6:53 PM

MVC Resource Command

MVC Resource Command MVC Resource Command classes retrieve resources: images, XML, or any other kind of resource from a DXP/Portal instance without triggering any actions or renders. Requests or...

Published Date: May 9, 2024 6:53 PM

Rendering Views with MVC Portlet

Rendering Views with MVC Portlet If you want users to access your portlet's views, you must implement navigation to them. Portlet render URLs help you do this. Here you'll deploy an example...

Published Date: May 9, 2024 6:53 PM

Tag Libraries

Tag Libraries You have access to a powerful set of taglibs for creating commonly used UI components in your apps, themes, and web content. The following taglibs are covered in this section: AUI:...

Published Date: May 9, 2024 6:53 PM

Chart Tag Library

Chart Tag Library Lines, splines, bars, pies and more, the Chart tag Library provides everything you need to model data. Each taglib gives you access to the corresponding Clay component. These...

Published Date: May 9, 2024 6:53 PM

Alloy UI (AUI) Tag Library

Alloy UI (AUI) Tag Library The AUI tag library provides tags that implement commonly used UI components. These tags make your markup consistent, responsive, and accessible. You can find a list of...

Published Date: May 9, 2024 6:53 PM

Building Forms with AUI Tags

Building Forms with AUI Tags The AUI tag library provides all the components you need to build forms for your applications. AUI tags provide many benefits to standard form elements, such as custom...

Published Date: May 9, 2024 6:53 PM

Bar Charts

Bar Charts Bar charts contain multiple sets of data. A bar chart models the data in bars. Each data series (created with the addColumns() method) is defined with a new instance of the...

Published Date: May 9, 2024 6:53 PM

Gauge Charts

Gauge Charts Gauge charts are percentage-based. A gauge chart shows where percentage-based data falls over a given range. Each data set must be defined as a new instance of the SingleValueColumn...

Published Date: May 9, 2024 6:53 PM

Geomap Chart

Geomap Chart A Geomap Chart shows data based on geography, given a specified color range---a lighter color representing a lower rank and a darker a higher rank usually. The default configuration...

Published Date: May 9, 2024 6:53 PM

Line Charts

Line Charts Line charts contain multiple sets of data. A Line chart displays the data linearly. Each data series (created with the addColumns() method) is defined with a new instance of the ...

Published Date: May 9, 2024 6:53 PM

Combination Charts

Combination Charts Combination charts have minor differences from other charts. In a combination chart, you must define the representation type of each data set: AREA, AREA_SPLINE, AREA_STEP, BAR,...

Published Date: May 9, 2024 6:53 PM

Donut Charts

Donut Charts Donut charts are percentage-based. A donut chart is similar to a pie chart, but it has a hole in the center. Each data set must be defined as a new instance of the SingleValueColumn...

Published Date: May 9, 2024 6:53 PM

Pie Charts

Pie Charts Pie charts are percentage-based. A pie chart models percentage-based data as individual slices of pie. Each data set must be defined as a new instance of the SingleValueColumn object....

Published Date: May 9, 2024 6:53 PM

Predictive Charts

Predictive Charts Predictive charts let you visualize current data along with predicted/forecasted data within a given value range. Predicted/forecasted data is surrounded by a highlighted area of...

Published Date: May 9, 2024 6:53 PM

Refreshing Charts to Reflect Real Time Data

Refreshing Charts to Reflect Real Time Data The polling interval property is an optional property for all charts. It specifies the time in milliseconds for the chart's data to refresh. You can use...

Published Date: May 9, 2024 6:53 PM

Scatter Charts

Scatter Charts Scatter charts contain multiple sets of data. A scatter chart models the data as individual points. Each data series (created with the addColumns() method) is defined with a new...

Published Date: May 9, 2024 6:53 PM

Spline Charts

Spline Charts Spline charts contain multiple sets of data. A spline chart connects points of data with a smooth curve. Each data series (created with the addColumns() method) is defined with a new...

Published Date: May 9, 2024 6:53 PM

Step Charts

Step Charts Step charts contain multiple sets of data. A step chart steps between the points of data, resembling steps. Each data series (created with the addColumns() method) is defined with a new...

Published Date: May 9, 2024 6:53 PM

Clay Tag Library

Clay Tag Library The Liferay Clay tag library provides a set of tags for creating Clay UI components in your app. AUI taglibs are deprecated as of Liferay 7.1. We recommend that you use Clay...

Published Date: May 9, 2024 6:53 PM

Clay Buttons

Clay Buttons Buttons come in several types and variations. This tutorial covers the different styles and variations of buttons you can create with the Clay taglibs. Types Primary button: Used for...

Published Date: May 9, 2024 6:53 PM

Clay Dropdown Menus and Action Menus

Clay Dropdown Menus and Action Menus You can add dropdown menus to your app via the clay:dropdown-menu and clay:actions-menu taglibs. The Clay taglibs provide several menu variations for you to...

Published Date: May 9, 2024 6:53 PM

Clay Form Elements

Clay Form Elements The Liferay Clay tag library provides several tags for creating form elements. An example of each tag is shown below. Checkbox Checkboxes give the user a true or false input. "...

Published Date: May 9, 2024 6:53 PM

Clay Navigation Bars

Clay Navigation Bars Similar to dropdown menus, navigation bars display a list of navigation items. The key difference is navigation bars are displayed in a horizontal bar with all navigation items...

Published Date: May 9, 2024 6:53 PM

Clay Alerts

Clay Alerts Clay alerts come in two types: embedded and stripe. Both types, along with several examples of each, are shown below. Embedded Alerts Embedded alerts are usually used inside forms. The...

Published Date: May 9, 2024 6:53 PM

Clay Badges

Clay Badges Badges help highlight important information such as notifications or new and unread messages. Badges have circular borders and are only used to specify a number. This covers the...

Published Date: May 9, 2024 6:53 PM

Clay Cards

Clay Cards Cards visually represent data. Use them for images, document libraries, user profiles and more. There are four main types of Cards: Image Cards File Cards User Cards Horizontal...

Published Date: May 9, 2024 6:53 PM

Clay Icons

Clay Icons The Liferay Clay taglibs provide several icons that you can use in your apps. Use the clay:icon tag and specify the icon with the symbol attribute: You can include icons in your app...

Published Date: May 9, 2024 6:53 PM

Clay Labels and Links

Clay Labels and Links Liferay Clay taglibs provide tags for creating labels and links in your app. Both of these elements are covered below. Labels The Liferay Clay taglibs provide a few different...

Published Date: May 9, 2024 6:53 PM

Clay Management Toolbar

Clay Management Toolbar The Management Toolbar gives administrators control over search container results in their apps. It lets you filter, sort, and choose a view type for search results, so you...

Published Date: May 9, 2024 6:53 PM

Clay Progress Bars

Clay Progress Bars You can add progress bars to your app with the clay:progressbar tag. These indicate the completion percentage of a task and come in three status styles: default (blue), warning...

Published Date: May 9, 2024 6:53 PM

Liferay Portlet Objects For JSPs

Liferay Portlet Objects For JSPs You may have noticed the tag in your JSPs. Similar to the theme:defineObjects tag, when you include this tag in your JSP, you gain access to several variables ...

Published Date: May 9, 2024 6:53 PM