/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 xds

import (
	"context"
)

type NoopCallbacks struct{}

func (n *NoopCallbacks) OnStreamOpen(context.Context, int64, string) error {
	return nil
}

func (n *NoopCallbacks) OnStreamClosed(int64) {
}

func (n *NoopCallbacks) OnStreamRequest(int64, DiscoveryRequest) error {
	return nil
}

func (n *NoopCallbacks) OnStreamResponse(int64, DiscoveryRequest, DiscoveryResponse) {
}

func (n *NoopCallbacks) OnDeltaStreamOpen(context.Context, int64, string) error {
	return nil
}

func (n *NoopCallbacks) OnDeltaStreamClosed(int64) {
}

func (n *NoopCallbacks) OnStreamDeltaRequest(int64, DeltaDiscoveryRequest) error {
	return nil
}

func (n *NoopCallbacks) OnStreamDeltaResponse(int64, DeltaDiscoveryRequest, DeltaDiscoveryResponse) {
}

var _ Callbacks = &NoopCallbacks{}
