internal/schedule/scheduler.go

// 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 schedule

import (
	"errors"
	"github.com/apache/incubator-eventmesh/eventmesh-workflow-go/config"
)

var schedulerBuilder = make(map[string]func() Scheduler)

type Scheduler interface {
	Run()
}

func NewScheduler() (Scheduler, error) {
	scheduler := schedulerBuilder[config.Get().Flow.Scheduler.Type]
	if scheduler == nil {
		return nil, errors.New("must config scheduler type")
	}
	return scheduler(), nil
}