Example: ServicePool

servicePoolExample.go

package example

import (
	"database/sql"
	"fmt"
	"time"

	"go.mongodb.org/mongo-driver/mongo"

	"your_project/cacheService"
	"your_project/servicePool"
)

type FooService struct {
	db  *sql.DB
	mdb *mongo.Client
	cs  *cacheService.CacheService
}

var fooServicePool = servicePool.NewServicePool[*FooService](10, 10*time.Minute)

func GetFooService(db *sql.DB, mdb *mongo.Client, cs *cacheService.CacheService) *FooService {
	key := fmt.Sprintf("fooService:%p:%p:%p", db, mdb, cs)
	return fooServicePool.GetOrPut(key, func() *FooService {
		return &FooService{db: db, mdb: mdb, cs: cs}
	})
}