Package com.datastax.astra.client.model

Class Page<R>

java.lang.Object

com.datastax.astra.client.model.Page<R>

Type Parameters:

R - document type

public class Page<R>
extends Object

Hold results for paging

Author:

Cedrick LUNVEN (@clunven)

Field Summary

Fields

Modifier and Type	Field	Description
protected float[]	sortVector	Sort vector retrieved in the status.

Constructor Summary

Constructors

Constructor	Description
Page(String pageState, List<R> results, float[] sortVector)	Default constructor.

Method Summary

Modifier and Type	Method	Description
Optional<R>	findFirst()	Expected from a stream of result.
Optional<String>	getPageState()	Getter accessor for attribute 'pageState'.
Optional<float[]>	getSortVector()	If the sort Vector has been retrieved in the status, it will be available here.
boolean	isEmpty()	Express if results is empty.
R	one()	When the result is a singleton.

Methods inherited from class java.lang.Object

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

Field Details

sortVector

protected float[] sortVector

Sort vector retrieved in the status.

Constructor Details

Page

public Page(String pageState,
 List<R> results,
 float[] sortVector)

Default constructor.

Parameters:

pageState - page state with the offset of the page

results - List list of items for the page

sortVector - float[] the sort vector if asked.

Method Details

isEmpty

public boolean isEmpty()

Express if results is empty.

Returns:

return value

findFirst

public Optional<R> findFirst()

Expected from a stream of result.

Returns:

first result if exist

one

public R one()

When the result is a singleton.

Returns:

result as a singleton

getPageState

public Optional<String> getPageState()

Getter accessor for attribute 'pageState'.

Returns:

current value of 'pageState'

getSortVector

public Optional<float[]> getSortVector()

If the sort Vector has been retrieved in the status, it will be available here.

Returns:

sort vector if available