org.openepics.cable.ui.lazymodels

Class PagerUtil

java.lang.Object

org.openepics.cable.ui.lazymodels.PagerUtil

public class PagerUtil
extends Object

Utility class for paging of database.

Author:

Zoltan Runyo

Method Summary

Modifier and Type	Method and Description
static <E> List<E>	findLazyPaged(LazyService<E> lazyService, int offset, int totalSize, int pageSize, String sortField, org.primefaces.model.SortOrder sortOrder, Map<String,Object> filters, Query customQuery) Queries the DB for entries in paged way.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

findLazyPaged

public static <E> List<E> findLazyPaged(LazyService<E> lazyService,
                                        int offset,
                                        int totalSize,
                                        int pageSize,
                                        String sortField,
                                        org.primefaces.model.SortOrder sortOrder,
                                        Map<String,Object> filters,
                                        Query customQuery)

Queries the DB for entries in paged way.

Parameters:

lazyService - the concrete lazy service which implements lazy loading

offset - offset of result before index of the first result to return

totalSize - the maximum size of the query that can be expected

pageSize - the maximum page size

sortField - the field by which to sort

sortOrder - ascending/descending

filters - filters to use

customQuery - query to add

Returns:

null if query was empty, or list of History entries