package json

import (
	"sync"
)

// clientRequest represents a JSON-RPC request sent by a client.
type serverNotification struct {
	// A String containing the name of the method to be invoked.
	Method string `json:"method"`

	// Object to pass as request parameter to the method.
	Params interface{} `json:"params"`
}

var serverNotificationPool sync.Pool

func retainServerNotification(method string, args interface{}) *serverNotification {
	var sn *serverNotification
	v := serverNotificationPool.Get()
	if v == nil {
		sn = &serverNotification{}
	} else {
		sn = v.(*serverNotification)
	}

	sn.Method = method
	sn.Params = args

	return sn
}

func releaseServerNotification(sn *serverNotification) {
	sn.Method = ""
	sn.Params = nil

	serverNotificationPool.Put(sn)
}