com.amazonaws.mobileconnectors.dynamodbv2.dynamodbmapper

Interface ArgumentUnmarshaller

All Known Implementing Classes:

BigDecimalSetUnmarshaller, BigDecimalUnmarshaller, BigIntegerSetUnmarshaller, BigIntegerUnmarshaller, BooleanSetUnmarshaller, BooleanUnmarshaller, ByteArraySetUnmarshaller, ByteArrayUnmarshaller, ByteBufferSetUnmarshaller, ByteBufferUnmarshaller, ByteSetUnmarshaller, ByteUnmarshaller, CalendarSetUnmarshaller, CalendarUnmarshaller, CustomUnmarshaller, DateSetUnmarshaller, DateUnmarshaller, DoubleSetUnmarshaller, DoubleUnmarshaller, FloatSetUnmarshaller, FloatUnmarshaller, IntegerSetUnmarshaller, IntegerUnmarshaller, ListUnmarshaller, LongSetUnmarshaller, LongUnmarshaller, MapUnmarshaller, NullableUnmarshaller, ObjectUnmarshaller, S3LinkUnmarshaller, ShortSetUnmarshaller, ShortUnmarshaller, StringSetUnmarshaller, StringUnmarshaller

public interface ArgumentUnmarshaller

Unmarshaller interface to make it possible to cache the expensive type-determination behavior necessary when turning a service result back into an object.

Method Summary

Modifier and Type	Method and Description
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

Method Detail

typeCheck

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

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

Parameters:

value - the attribute value.

setter - the method.

unmarshall

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

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