How to use orderbycomparator in liferay

Liferay provides one of the beautiful API is "orderbycomparator ", this api will work as "Order By" keyword in database, let see the example how to utilize this API.

import com.liferay.portal.kernel.util.OrderByComparator;
import com.liferay.portal.kernel.util.OrderByComparatorFactoryUtil;

//Fetching the DLFiles order by create date
OrderByComparator comparator = OrderByComparatorFactoryUtil.create("DLFileEntry", "createDate/modifiedDate", true/false);

Note :- createDate / modifiedDate should be your column name of your table.

 Long parentFolderId = DLFolderConstants.DEFAULT_PARENT_FOLDER_ID;
DLFileEntryLocalServiceUtil.getFileEntries(themeDisplay.getScopeGroupId(),parentFolderId,-1, -1, comparator);

//Fetching the custom table vlaues order by title
OrderByComparator comparator = OrderByComparatorFactoryUtil.create(customModelImpl.TABLE_NAME, "title", true);