internal/queue/queue.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 queue

import "github.com/apache/incubator-eventmesh/eventmesh-workflow-go/internal/dal/model"

type ObserveQueue interface {
	Name() string

	Publish(tasks []*model.WorkflowTaskInstance) error

	Ack(tasks *model.WorkflowTaskInstance) error

	Observe()
}

var queueFactory = make(map[string]ObserveQueue)

// RegisterQueue registers a queue by its name.
func RegisterQueue(q ObserveQueue) {
	queueFactory[q.Name()] = q
}

// GetQueue returns the queue by name.
func GetQueue(name string) ObserveQueue {
	return queueFactory[name]
}