PORTLETS IN ACTION PDF DOWNLOAD!
Jump to action URL by portlet:actionURL tag - package t;. import ption;. import t. Our portlet needs two execution phases, the action phase and the render phase. Multiple execution phases can be confusing to developers used to regular. Portlets in Action is a comprehensive, hands-on guide to building portlet-driven applications in Java. Covers Portlet , Spring Portlet MVC, WSRP
|Published:||8 February 2014|
|PDF File Size:||50.12 Mb|
|ePub File Size:||1.82 Mb|
Developing a Portlet with Multiple Actions - Liferay - Liferay Developer Network
Print Defining Portlet Actions You need to add action methods to the Guestbook Admin portlet for adding, updating, and deleting guestbooks. The portlet action methods portlets in action the corresponding service methods.
Using Service Portlets in action in your guestbook-portlet project has provided your project with a service-oriented portlets in action. Of course, there are many other benefits to having a service-oriented architecture, such as the fact that it provides a clean separation of concerns. To prevent situations like the one described above, the portlet specification defines two phases for every request of a portlet, allowing the portal to differentiate when an action is being performed and should not be repeated and when the content is being produced rendered: The action phase can only be invoked for one portlet at a time.
Portlets in Action
It is the result of a user interaction with the portlet. In this phase the portlet can change its status, for instance changing the user portlets in action of the portlet.
- Portlets in Action : Ashish Sarin :
- Defining Portlet Actions - Liferay - Liferay Developer Network
- Understanding the Two phases of Portlet Execution - Liferay - Liferay Developer Network
- Developing a Portlet with Multiple Actions
- Defining Portlet Actions
- 1. Chapter 1 Introducing portals and portlets
Any inserts and modifications in the database or operations that should not be repeated must be performed in this phase. The render phase is always invoked for all portlets on the page after the action phase which may or portlets in action exist.
This includes the portlet that also had executed its action phase.
Introducing portlet personalization Personalization requirements for the Book Catalog portlet Showing personalization options in EDIT mode portlets in action Saving user preferences Saving preferences with PortletPreferences Retrieving portlet preferences and personalizing the portlet Chapter 11 Communicating with other portlets Why do you need inter-portlet communication?
An inter-portlet communication example Inter-portlet communication using portlet sessions portlets in action Inter-portlet communication using public render parameters If a service is published, it can be used via Reference. The Guestbook Admin portlet must let administrators add, update, and delete Guestbook objects.