de.sfuhrm.radiobrowser4j

Class Paging

java.lang.Object

de.sfuhrm.radiobrowser4j.Paging

public final class Paging
extends Object

Immutable paging configuration. The paging is used to address a sub list that can be retrieved in one logical page. This enables the client to itereate thru a long list without needing to store the whole result in memory.

Author:

Stephan fuhrmann

Field Summary

Fields

Modifier and Type	Field and Description
static Paging	DEFAULT_START A default start page with offset 0 and limit 64.

Method Summary

Modifier and Type	Method and Description
static Paging	at(int offset, int limit) Creates a new paging at the given offset and limit.
Paging	next() Address the next paging.
Paging	previous() Address the previous paging.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_START

public static final Paging DEFAULT_START

A default start page with offset 0 and limit 64.

Method Detail

at

public static Paging at(int offset,
                        int limit)

Creates a new paging at the given offset and limit.

Parameters:

offset - the positive offset of the page.

limit - the maximum number of entries.

Returns:

the paging instance created.

previous

public Paging previous()

Address the previous paging. Will never go beyond offset 0.

Returns:

returns the paging at offset - limit and keeps the limit. Will return 0 if going beyond offset 0.

next

public Paging next()

Address the next paging.

Returns:

returns the paging at offset + limit and keeps the limit.