package fifo

import (
	"sync"
)

type Queue struct {
	DataList     []*IData
	mutex        sync.Mutex
	ResourceType string
}

func (q *Queue) Push(data IData) {
	q.mutex.Lock()
	defer q.mutex.Unlock()

	q.DataList = append(q.DataList, &data)
}

func (q *Queue) Pop() IData {
	q.mutex.Lock()
	defer q.mutex.Unlock()

	if len(q.DataList) <= 0 {
		return nil
	}

	var data = q.DataList[0]
	q.DataList = q.DataList[1:]
	return data
}