Sunday, January 4, 2015

Liferay Service Hook to override Liferay Existing Service


Today we will see how to write service wrapper in Liferay 6.2. We override User service getUserCount().Here we create a class that extend the particular wrapper class and just provide the entries of our custom class in liferay-hook.xml so that liferay use our services instead of Original.


Step 1:-Create a liferay Plug project
Right Click in Project Explorer and Click New -> Liferay plugin project. Now give the Project name and select hook in plugin type:-









Step 2:-Create a hook in the project
Right Click on Project ->New->Liferay Hook Configuration->Select Services


Click Next--->Click Add-->Select Service Type(UserLocalService)


For Impl Class

Click New-->Give Package Name and your Impl Class Name

Then Click Finish

This step automatically Create the entry in  liferay-hook.xml. 

<hook>
<service>
<service-type>com.liferay.portal.service.UserLocalService</service-type>
<service-impl>com.ipg.MyUserLocalService</service-impl>
</service>
</hook>






Step 3:-Override the getUserCount()
Open MyUserLocalService and override getUserCount()


Step 4:-Deploy the Hook
Deploy the hook and call getUsersCount() from your portlet .

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