@Override
    public java.util.concurrent.Future<GetItemResult> getItemAsync(String tableName, java.util.Map<String, AttributeValue> key) {

        return getItemAsync(new GetItemRequest().withTableName(tableName).withKey(key));
    }
Simplified method form for invoking the GetItem operation.

@see #getItemAsync(GetItemRequest)
aws-java-sdk-dynamodb/src/main/java/com/amazonaws/services/dynamodbv2/AbstractAmazonDynamoDBAsync.java