ExtensionRegistry class

A registry of Extensions, looked up by (extendee, number) and by Any-style type-url.

Generated code emits one registry per file and merges them (via merge) for option resolution and Any-in-JSON, mirroring protobuf-es's registry API and protobuf-go's protoregistry.

Constructors

ExtensionRegistry()

Creates an empty registry.

ExtensionRegistry.of(Iterable<Extension> extensions)

Creates a registry pre-populated with extensions.

factory

Properties

extensions → Iterable<Extension>

All registered extensions.

no setter

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

lookup(String extendeeFullName, int number) → Extension?

Looks up an extension by its extendeeFullName and field number, or null when none is registered.

lookupByTypeUrl(String typeUrl) → Extension?

Looks up an extension by Any-style typeUrl (the part after the final / is matched against the extension's fully-qualified name), or null when none is registered. A bare fully-qualified name is also accepted.

merge(ExtensionRegistry other) → void

Merges other into this registry (entries from other win on conflict).

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

register(Extension extension) → void

Registers extension for lookup by (extendee, number) and by type-url.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited