// Licensed to the LF AI & Data foundation 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 datacoord

import (
	"github.com/milvus-io/milvus/internal/proto/datapb"
)

// positionProvider provides vchannel pair related position pairs
type positionProvider interface {
	GetVChanPositions(channel string, collectionID UniqueID, seekFromStartPosition bool) *datapb.VchannelInfo
}

var _ positionProvider = (*dummyPosProvider)(nil)

type dummyPosProvider struct{}

//GetVChanPositions implements positionProvider
func (dp dummyPosProvider) GetVChanPositions(channel string, collectionID UniqueID, seekFromStartPosition bool) *datapb.VchannelInfo {
	return &datapb.VchannelInfo{
		CollectionID: collectionID,
		ChannelName:  channel,
	}
}