Liferay Portal Background Task API 2.1.0 API

Packages 
Package Description
com.liferay.portal.background.task.constants  
com.liferay.portal.background.task.exception  
com.liferay.portal.background.task.model  
com.liferay.portal.background.task.service  
com.liferay.portal.background.task.service.persistence