Package org.aksw.commons.util.page

Class PageUtils

java.lang.Object

org.aksw.commons.util.page.PageUtils

public class PageUtils
extends Object

Utility methods for working with (fixed-size) pages.

Author:

raven

Constructor Summary

Constructors

Constructor	Description
PageUtils()

Method Summary

Modifier and Type	Method	Description
static int	getIndexInPage(long offset, int pageSize)
static long	getIndexInPage(long offset, long pageSize)
static long	getPageIndexForOffset(long offset, long pageSize)
static long	getPageOffsetForId(long pageId, long pageSize)
static java.util.stream.LongStream	touchedPageIndices(com.google.common.collect.Range<Long> range, long pageSize)	Return a stream of the page indices touched by the range w.r.t.
static NavigableSet<Long>	touchedPageIndices(Collection<com.google.common.collect.Range<Long>> ranges, long pageSize)

Methods inherited from class java.lang.Object

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

Constructor Detail

PageUtils

public PageUtils()

Method Detail

getPageIndexForOffset

public static long getPageIndexForOffset(long offset,
                                         long pageSize)

getIndexInPage

public static long getIndexInPage(long offset,
                                  long pageSize)

getIndexInPage

public static int getIndexInPage(long offset,
                                 int pageSize)

getPageOffsetForId

public static long getPageOffsetForId(long pageId,
                                      long pageSize)

touchedPageIndices

public static java.util.stream.LongStream touchedPageIndices(com.google.common.collect.Range<Long> range,
                                                             long pageSize)

Return a stream of the page indices touched by the range w.r.t. the page size

touchedPageIndices

public static NavigableSet<Long> touchedPageIndices(Collection<com.google.common.collect.Range<Long>> ranges,
                                                    long pageSize)