/*
* Copyright 2011-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://aws.amazon.com/apache2.0
*
* This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
* OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and
* limitations under the License.
*/
package com.amazonaws.mobileconnectors.dynamodbv2.dynamodbmapper;
import com.amazonaws.services.dynamodbv2.model.AttributeValue;
import java.lang.reflect.Method;
import java.text.ParseException;
/**
* Unmarshaller interface to make it possible to cache the expensive
* type-determination behavior necessary when turning a service result back into
* an object.
*/
public interface ArgumentUnmarshaller {
/**
* Asserts that the value given can be processed using the setter given.
*/
public void typeCheck(AttributeValue value, Method setter);
/**
* Unmarshalls the {@link AttributeValue} given into an instance of the
* appropriate type, as determined by {@link DynamoDBReflector} and
* {@link DynamoDBMapper}
*
* @throws ParseException when unable to parse a date string
*/
public Object unmarshall(AttributeValue value) throws ParseException;
}