Convert Item to Map<String, AttributeValue> for DynamoDB in Java

Question

Is there any Java API for DynamoDB to convert from Item to Map<String, AttributeValue> without implementing it on my own?

EDIT

item.asMap() will return Map<String, Object>, not Map<String, AttributeValue>. Just wondering is there any direct API for this?

Answer 1

Yeah, but I've managed to find it:

// Item item
InternalUtils.toAttributeValues(item)

However, above API is deprecated in newer DynamoDB library which basically delegates the call to ItemUtils which is not deprecated fortunately. So I ended up using this:

ItemUtils.toAttributeValues(item)

Hope this will help others in future!

Answer 2

You can use the method asMap:

Returns all attributes of the current item as a map.

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Updated answer:

To get a Map<String, AttributeValue> you can use ItemUtils.toAttributeValue:

Converts an Item into the low-level representation; or null if the input is null.

as follow

Map<String, AttributeValue> map = ItemUtils.toAttributeValue(item);