Package org.springframework.graphql.data.query

Class SliceConnectionAdapter

java.lang.Object

org.springframework.graphql.data.pagination.ConnectionAdapterSupport<org.springframework.data.domain.ScrollPosition>

org.springframework.graphql.data.query.SliceConnectionAdapter

All Implemented Interfaces:

ConnectionAdapter

public final class SliceConnectionAdapter
extends ConnectionAdapterSupport<org.springframework.data.domain.ScrollPosition>
implements ConnectionAdapter

Adapter for Slice to Connection.

Since:

1.2.0

Author:

Rossen Stoyanchev, Oliver Drotbohm

Constructor Summary

Constructors

Constructor	Description
SliceConnectionAdapter(CursorStrategy<org.springframework.data.domain.ScrollPosition> strategy)	Constructor with the CursorStrategy to use to encode the ScrollPosition of page items.

Method Summary

Modifier and Type	Method	Description
String	cursorAt(Object container, int index)	Return a cursor for the item at the given index.
<T> Collection<T>	getContent(Object container)	Return the contained items as a List.
boolean	hasNext(Object container)	Whether there are more pages after this one.
boolean	hasPrevious(Object container)	Whether there are more pages before this one.
boolean	supports(Class<?> containerType)	Whether the adapter supports the given Object container type.

Methods inherited from class org.springframework.graphql.data.pagination.ConnectionAdapterSupport

getCursorStrategy

Methods inherited from class java.lang.Object

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

Constructor Details

SliceConnectionAdapter

public SliceConnectionAdapter(CursorStrategy<org.springframework.data.domain.ScrollPosition> strategy)

Constructor with the CursorStrategy to use to encode the ScrollPosition of page items.

Parameters:

strategy - the cursor strategy to use

Method Details

supports

public boolean supports(Class<?> containerType)

Description copied from interface: ConnectionAdapter

Whether the adapter supports the given Object container type.

Specified by:

supports in interface ConnectionAdapter

Parameters:

containerType - the container type to check for support

getContent

public <T> Collection<T> getContent(Object container)

Description copied from interface: ConnectionAdapter

Return the contained items as a List.

Specified by:

getContent in interface ConnectionAdapter

Type Parameters:

T - the type of objects in the collection

Parameters:

container - the container of elements

hasPrevious

public boolean hasPrevious(Object container)

Description copied from interface: ConnectionAdapter

Whether there are more pages before this one.

Specified by:

hasPrevious in interface ConnectionAdapter

Parameters:

container - the container of elements

hasNext

public boolean hasNext(Object container)

Description copied from interface: ConnectionAdapter

Whether there are more pages after this one.

Specified by:

hasNext in interface ConnectionAdapter

Parameters:

container - the container of elements

cursorAt

public String cursorAt(Object container,
 int index)

Description copied from interface: ConnectionAdapter

Return a cursor for the item at the given index.

Specified by:

cursorAt in interface ConnectionAdapter

Parameters:

container - the container of elements

index - the index of an element in the container