{
	"format": 1,
	"id": "saw-i_data_server",
	"kind": "class",
	"name": "i_data_server",
	"namespace": "saw",
	"module": "remote",
	"header": "modules/remote/c++/transfer.hpp",
	"brief_description": "Registry handle for a data server of unknown schema.",
	"detailed_description": [
		[
			"The one place the library erases a type. A",
			{"name": "remote", "id": "saw-remote"},
			"holds servers for many schemas in one map, which is only possible if they share a type. The class id recovers what was erased: a caller which knows the schema it wants asks for exactly that one and gets an error if the stored server is a different one."
		],
		[
			"The destructor is protected, so nothing can be deleted through this handle."
		]
	],
	"templates": [
		{
			"name": "Remote",
			"kind": "type",
			"brief_description": "Tag type of the backend."
		}
	],
	"functions": {
		"saw-i_data_server-get_class_id": {
			"id": "saw-i_data_server-get_class_id",
			"name": "get_class_id",
			"type": ["std::pair< uint32_t, uint32_t >"],
			"const": true,
			"virtual": true,
			"brief_description": "Schema hash and encoding hash of the server behind this handle."
		},
		"saw-i_data_server-cast_to": {
			"id": "saw-i_data_server-cast_to",
			"name": "cast_to",
			"type": ["error_or< ptr< To > >"],
			"brief_description": "Recovers the concrete server.",
			"detailed_description": [
				["Fails with invalid_state if the class ids don't match, which is what keeps the erasure honest."]
			],
			"templates": [
				{
					"name": "To",
					"kind": "type",
					"brief_description": "The concrete data server expected behind this handle."
				}
			]
		}
	}
}