Package com.adobe.granite.ui.components.ds

Class EmptyDataSource

java.lang.Object

com.adobe.granite.ui.components.ds.EmptyDataSource

All Implemented Interfaces:

DataSource

public final class EmptyDataSource
extends Object
implements DataSource

A datasource that has no data.

Method Summary

Modifier and Type	Method	Description
Long	getGuessTotal()	Returns the total count or the total as far as it is known.
static DataSource	instance()	Returns the singleton instance.
Iterator<Resource>	iterator()	Returns the data.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.adobe.granite.ui.components.ds.DataSource

getLimit, getOffset

Method Details

instance

@Nonnull
public static DataSource instance()

Returns the singleton instance.

Returns:

the singleton instance

iterator

@Nonnull
public Iterator<Resource> iterator()

Description copied from interface: DataSource

Returns the data.

Specified by:

iterator in interface DataSource

Returns:

The iterator of the data.

getGuessTotal

public Long getGuessTotal()

Description copied from interface: DataSource

Returns the total count or the total as far as it is known. It returns null by default.

Specified by:

getGuessTotal in interface DataSource

Returns:

The total count, or null if it is not known.