When building HTTP based applications we are limited to a small set of HTTP methods in order to achieve the goals of our application. Once our needs go beyond simple CRUD style manipulation of resource representations, we need to be a little more creative in the way we manipulate resources in order to achieve more complex goals.
The following patterns are based on scenarios that I myself have used in production applications, or I have seen others implement. These patterns are language agnostic, domain agnostic and to my knowledge, exist within the limitations of the REST constraints.
|Alias||A resource designed to provide a logical identifier but without being responsible for incurring the costs of transferring the representation bytes.|
|Action||Coming soon A processing resource used to convey a client’s intent to invoke some kind of unsafe action on a secondary resource.|
|Bouncer||A resource designed to accept a request body containing complex query parameters and redirect to a new location to enable the results of complex and expensive queries to be cached.|
|Builder||Coming soon: A builder resource is much like a factory resource in that it is used to create another resource, however, a builder is a transient resource that enables idempotent creation and allows the client to specify values that cannot change over the lifetime of the created resource.|
|Bucket||A resource used to indicate the status of a “child” resource.|
|Discovery||This type of resource is used to provide a client with the information it needs to be able to access other resources.|
|Factory||A factory resource is one that is used to create another resource.|
|Miniput||A resource designed to enable doing a partial updates to another resource.|
|Progress||A progress resource is usually a temporary resource that is created automatically by the server to provide status on some long running process that has been initiated by a client.|
|Sandbox||Coming soon: A processing resource that is paired with a regular resource to enable making “whatif” style updates and seeing what the results would have been if applied against the regular resource.|
|Toggle||Coming soon: A resource that has two distinct states and can easily be switched between those states.|
|Whackamole||A type of resource that when deleted, re-appears as a different resource.|
|Window||Coming soon: A resource that provides access to a subset of a larger set of information through the use of parameters that filter, project and zoom information from the complete set.|