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registry.go
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registry.go
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// Copyright 2019-present Open Networking Foundation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package primitive
import (
"github.com/atomix/api/proto/atomix/primitive"
"google.golang.org/grpc"
)
// Primitive is a primitive type
type Primitive interface {
// RegisterServer registers the primitive server with the gRPC server
RegisterServer(server *grpc.Server, protocol Protocol)
// NewService creates a new primitive service
NewService(scheduler Scheduler, context ServiceContext) Service
}
// Registry is a primitive registry
type Registry interface {
// Register registers a primitive
Register(primitiveType primitive.PrimitiveType, primitive Primitive)
// GetPrimitives gets a list of primitives
GetPrimitives() []Primitive
// GetPrimitive gets a primitive by type
GetPrimitive(primitiveType primitive.PrimitiveType) Primitive
}
// primitiveRegistry is the default primitive registry
type primitiveRegistry struct {
primitives map[primitive.PrimitiveType]Primitive
}
func (r *primitiveRegistry) Register(primitiveType primitive.PrimitiveType, primitive Primitive) {
r.primitives[primitiveType] = primitive
}
func (r *primitiveRegistry) GetPrimitives() []Primitive {
primitives := make([]Primitive, 0, len(r.primitives))
for _, primitive := range r.primitives {
primitives = append(primitives, primitive)
}
return primitives
}
func (r *primitiveRegistry) GetPrimitive(primitiveType primitive.PrimitiveType) Primitive {
return r.primitives[primitiveType]
}
// NewRegistry creates a new primitive registry
func NewRegistry() Registry {
return &primitiveRegistry{
primitives: make(map[primitive.PrimitiveType]Primitive),
}
}