disneystreaming / alloy

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Alloy

A collection of commonly used Smithy shapes.

Table of Contents

Why Alloy?

Alloy is smithy library that contains traits and protocols that are not currently provided by the smithy standard library. Alloy can be seen as a companion library to the smithy standard library (smithy.api).

The goals of alloy are :

Core alloy library

The core alloy library, containing shapes and validators, is published to Maven Central at the following coordinates.

com.disneystreaming.alloy:alloy-core:x.y.z

It contains, in particular, traits and validators associated to the following aspects :

Constraints and behavioural traits

Alloy provides a number of constraint and behavioural traits that may be leverage by tooling and protocols.

Serialisation

Alloy defines a number of behavioural traits that can be leveraged by protocols to tweak serialisation. In particular for the following formats :

Protocols

Alloy defines two protocols :

Protocol Compliance Module

Alloy provides a suite of protocol tests that utilise the [AWS HTTP Protocol Compliance Test Module]("https://smithy.io/2.0/additional-specs/http-protocol-compliance-tests.html. These tests accompany the specification of the alloy#simpleRestJson protocol, allowing implementations of that protocol to build confidence that the implemented behaviour is correct as per the specification.

These tests are available on maven central at the following coordinates :

com.disneystreaming.alloy:alloy-protocol-tests:x.y.z

Working on Alloy

Publish Local

> ./mill __.publishLocal

Run Tests

> ./mill __.test