// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// 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 datanode

import (
	"github.com/milvus-io/milvus/internal/msgstream"
	"github.com/milvus-io/milvus/internal/proto/internalpb"
	"github.com/milvus-io/milvus/internal/util/flowgraph"
)

type (
	// Msg is flowgraph.Msg
	Msg = flowgraph.Msg

	// MsgStreamMsg is flowgraph.MsgStreamMsg
	MsgStreamMsg = flowgraph.MsgStreamMsg
)

type flowGraphMsg struct {
	insertMessages []*msgstream.InsertMsg
	timeRange      TimeRange
	startPositions []*internalpb.MsgPosition
	endPositions   []*internalpb.MsgPosition
}

func (fgMsg *flowGraphMsg) TimeTick() Timestamp {
	return fgMsg.timeRange.timestampMax
}

type flushMsg struct {
	msgID        UniqueID
	timestamp    Timestamp
	segmentID    UniqueID
	collectionID UniqueID
}