ekuiper-new/internal/topo/state/store.go

// Copyright 2021 EMQ Technologies Co., Ltd.
//
// 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 state

import (
	"github.com/lf-edge/ekuiper/pkg/api"
)

const CheckpointListKey = "checkpoints"

func CreateStore(ruleId string, qos api.Qos) (api.Store, error) {
	if qos >= api.AtLeastOnce {
		return getKVStore(ruleId)
	} else {
		return newMemoryStore(), nil
	}
}