software.amazon.awssdk.extensions.dynamodb.mappingclient

Class Page<T>

java.lang.Object

software.amazon.awssdk.extensions.dynamodb.mappingclient.Page<T>

Type Parameters:

T - The modelled type of the object that has been read.

public class Page<T>
extends Object

An immutable object that holds a page of queried or scanned results from DynamoDb.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
List<T>	getItems() Returns a page of mapped objects that represent records from a database query or scan.
Map<String,AttributeValue>	getLastEvaluatedKey() Returns the 'lastEvaluatedKey' that DynamoDB returned from the last page query or scan.
int	hashCode()
static <T> Page<T>	of(List<T> items) Static constructor for this object that sets a null 'lastEvaluatedKey' which indicates this is the final page of results.
static <T> Page<T>	of(List<T> items, Map<String,AttributeValue> lastEvaluatedKey) Static constructor for this object.

Methods inherited from class java.lang.Object

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

Method Detail

of

public static <T> Page<T> of(List<T> items,
                             Map<String,AttributeValue> lastEvaluatedKey)

Static constructor for this object.

Type Parameters:

T - The modelled type of the object that has been read.

Parameters:

items - A list of items to store for the page.

lastEvaluatedKey - A 'lastEvaluatedKey' to store for the page.

Returns:

A newly constructed Page object.

of

public static <T> Page<T> of(List<T> items)

Static constructor for this object that sets a null 'lastEvaluatedKey' which indicates this is the final page of results.

Type Parameters:

T - The modelled type of the object that has been read.

Parameters:

items - A list of items to store for the page.

Returns:

A newly constructed Page object.

getItems

public List<T> getItems()

Returns a page of mapped objects that represent records from a database query or scan.

Returns:

A list of mapped objects.

getLastEvaluatedKey

public Map<String,AttributeValue> getLastEvaluatedKey()

Returns the 'lastEvaluatedKey' that DynamoDB returned from the last page query or scan. This key can be used to continue the query or scan if passed into a request.

Returns:

The 'lastEvaluatedKey' from the last query or scan operation or null if the no more pages are available.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object