com.amazonaws.mobileconnectors.dynamodbv2.dynamodbmapper.unmarshallers

Class MapUnmarshaller

java.lang.Object

com.amazonaws.mobileconnectors.dynamodbv2.dynamodbmapper.unmarshallers.MapUnmarshaller

All Implemented Interfaces:

ArgumentUnmarshaller

public class MapUnmarshaller
extends java.lang.Object

An unmarshaller that unmarshals DynamoDB Map type to a Java Map.

Constructor Summary

Constructors

Constructor and Description
MapUnmarshaller(ArgumentUnmarshaller memberUnmarshaller) Constructor.

Method Summary

Modifier and Type	Method and Description
static MapUnmarshaller	instance() returns a singleton instance.
void	typeCheck(AttributeValue value, java.lang.reflect.Method setter) Asserts that the value given can be processed using the setter given.
java.lang.Object	unmarshall(AttributeValue value) Unmarshalls the AttributeValue given into an instance of the appropriate type, as determined by DynamoDBReflector and DynamoDBMapper

Methods inherited from class java.lang.Object

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

Constructor Detail

MapUnmarshaller

public MapUnmarshaller(ArgumentUnmarshaller memberUnmarshaller)

Constructor.

Parameters:

memberUnmarshaller - a ArgumentUnmarshaller

Method Detail

instance

public static MapUnmarshaller instance()

returns a singleton instance.

Returns:

instance of MapUnmarshaller

unmarshall

public java.lang.Object unmarshall(AttributeValue value)
                            throws java.text.ParseException

Description copied from interface: ArgumentUnmarshaller

Unmarshalls the AttributeValue given into an instance of the appropriate type, as determined by DynamoDBReflector and DynamoDBMapper

Parameters:

value - the attribute value.

Returns:

the unmarshalled object.

Throws:

java.text.ParseException - when unable to parse a date string

typeCheck

public void typeCheck(AttributeValue value,
                      java.lang.reflect.Method setter)

Description copied from interface: ArgumentUnmarshaller

Asserts that the value given can be processed using the setter given.

Specified by:

typeCheck in interface ArgumentUnmarshaller

Parameters:

value - the attribute value.

setter - the method.