istio

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// Copyright Istio Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//     http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package serviceregistry
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import (
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	"istio.io/istio/pilot/pkg/model"
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	"istio.io/istio/pilot/pkg/serviceregistry/provider"
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	"istio.io/istio/pkg/cluster"
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)
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// Instance of a service registry. A single service registry combines the capabilities of service discovery
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// and the controller for managing asynchronous events.
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type Instance interface {
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	model.Controller
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	model.ServiceDiscovery
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	// Provider backing this service registry (i.e. Kubernetes etc.)
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	Provider() provider.ID
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	// Cluster for which the service registry applies. Only needed for multicluster systems.
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	Cluster() cluster.ID
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}
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var _ Instance = &Simple{}
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type DiscoveryController interface {
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	model.Controller
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	model.ServiceDiscovery
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}
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// Simple Instance implementation, where fields are set individually.
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type Simple struct {
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	ProviderID provider.ID
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	ClusterID  cluster.ID
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	DiscoveryController
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}
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func (r Simple) Provider() provider.ID {
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	return r.ProviderID
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}
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func (r Simple) Cluster() cluster.ID {
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	return r.ClusterID
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}
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