com.amazonaws.mobileconnectors.dynamodbv2.dynamodbmapper.unmarshallers

Class ObjectUnmarshaller

java.lang.Object

com.amazonaws.mobileconnectors.dynamodbv2.dynamodbmapper.unmarshallers.ObjectUnmarshaller

All Implemented Interfaces:

ArgumentUnmarshaller

public class ObjectUnmarshaller
extends java.lang.Object

An unmarshaller that unmarshals DynamoDB Object.

Constructor Summary

Constructors

Constructor and Description
ObjectUnmarshaller(ItemConverter converter, java.lang.Class<?> clazz) Constructor.

Method Summary

Modifier and Type	Method and Description
static ObjectUnmarshaller	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

ObjectUnmarshaller

public ObjectUnmarshaller(ItemConverter converter,
                          java.lang.Class<?> clazz)

Constructor.

Parameters:

converter - an ItemConverter

clazz - a class to unmarshal to

Method Detail

instance

public static ObjectUnmarshaller instance()

returns a singleton instance.

Returns:

instance of ObjectUnmarshaller

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.