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Using Upgrade Processes
Official Documentation
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...
Using Bean Portlet
Official Documentation
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...
Reference
Official Documentation
Reference
Understanding and Extending Generated Classes
Official Documentation
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...
Upgrading Data Schemas
Official Documentation
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...
Using MVC
Official Documentation
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...
MVC Render Command
Official Documentation
MVC Render Command MVC Render Commands are classes that handle which page to render. They are invoked by MVCPortlet render URLs and requests. If your render logic is simple you can implement all of...
Invoking Actions with MVC Portlet
Official Documentation
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...
MVC Action Command
Official Documentation
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...
Portlet Preferences
Official Documentation
Portlet Preferences You can give administrators and users a way to customize a portlet with portlet preferences. Portlet preferences can be added to any MVC Portlet to give users a UI to access and...
Rendering Views with MVC Portlet
Official Documentation
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...
Gauge Charts
Official Documentation
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...
Predictive Charts
Official Documentation
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...
Refreshing Charts to Reflect Real Time Data
Official Documentation
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...
Tag Libraries
Official Documentation
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:...
Alloy UI (AUI) Tag Library
Official Documentation
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...
Building Forms with AUI Tags
Official Documentation
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...
Donut Charts
Official Documentation
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...
Geomap Chart
Official Documentation
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...
Pie Charts
Official Documentation
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....