Module composition 

Re-exports

pub use crate::supergraph::Merged;

pub use crate::supergraph::Satisfiable;

pub use crate::supergraph::Supergraph;

Structs

CompositionOptions

Options that configure composition. Mirrors the JS CompositionOptions interface (see composition-js/src/compose.ts). Most fields are not yet ported — add them here as needed.

Functions

compose

Mirrors the JS compose function.

compose_with_connectors

Mirrors the HybridComposition::compose from the apollo-composition crate.

expand_subgraphs

Apollo Federation allow subgraphs to specify partial schemas (i.e. “import” directives through @link). This function will update subgraph schemas with all missing federation definitions.

merge_subgraphs

post_merge_validations

pre_merge_validations

Perform validations that require information about all available subgraphs.

upgrade_subgraphs_if_necessary

Upgrade subgraphs if necessary and validate the result.

validate_satisfiability

validate_satisfiability_with_connectors

Mirroring HybridComposition in the apollo-composition crate.