Package software.amazon.awssdk.enhanced.dynamodb.internal

Class AttributeValues

java.lang.Object
software.amazon.awssdk.enhanced.dynamodb.internal.AttributeValues
public final class AttributeValues extends Object
This static helper class contains some literal AttributeValue constants and converters. Primarily these will be used if constructing a literal key object or for use in a custom filter expression. Eg: Key<?> myKey = Key.create(stringValue("id123"), numberValue(4.23)); Expression filterExpression = Expression.of("id = :filter_id", singletonMap(":filter_id", stringValue("id123"));

  • Method Details

    • nullAttributeValue

      public static AttributeValue nullAttributeValue()
      The constant that represents a 'null' in a DynamoDb record.
      Returns:
      An AttributeValue of type NUL that represents 'null'.

    • stringValue

      public static AttributeValue stringValue(String value)
      Creates a literal string AttributeValue.
      Parameters:
      value - A string to create the literal from.
      Returns:
      An AttributeValue of type S that represents the string literal.

    • numberValue

      public static AttributeValue numberValue(Number value)
      Creates a literal numeric AttributeValue from any type of Java number.
      Parameters:
      value - A number to create the literal from.
      Returns:
      An AttributeValue of type n that represents the numeric literal.

    • binaryValue

      public static AttributeValue binaryValue(SdkBytes value)
      Creates a literal binary AttributeValue from raw bytes.
      Parameters:
      value - bytes to create the literal from.
      Returns:
      An AttributeValue of type B that represents the binary literal.