Package software.amazon.awssdk.services.dynamodb.datamodeling

Annotation Type DynamoDbIndexHashKey

@Retention(RUNTIME)
@Target({FIELD,METHOD})
public @interface DynamoDbIndexHashKey

Annotation for marking a property in a class as the attribute to be used as the hash key for one or more global secondary indexes on a DynamoDB table. Applied to the getter method or the class field for the index hash key property. If the annotation is applied directly to the class field, the corresponding getter and setter must be declared in the same class.

This annotation is required if this attribute will be used as index key for item queries.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element	Description
String	attributeName	Optional parameter when the name of the attribute as stored in DynamoDB should differ from the name used by the getter / setter.
String	globalSecondaryIndexName	Parameter for the name of the global secondary index.
String[]	globalSecondaryIndexNames	Parameter for the names of the global secondary indexes.

Element Detail

attributeName

String attributeName

Optional parameter when the name of the attribute as stored in DynamoDB should differ from the name used by the getter / setter.

Default:

""

globalSecondaryIndexName

String globalSecondaryIndexName

Parameter for the name of the global secondary index.

This is required if this attribute is the index key for only one global secondary index.

Default:

""

globalSecondaryIndexNames

String[] globalSecondaryIndexNames

Parameter for the names of the global secondary indexes. This is required if this attribute is the index key for multiple global secondary indexes.

Default:

{}