modelRT/real-time-data/real_time_cache.go

// Package realtimedata define real time data operation functions
package realtimedata

import (
	"time"
)

// CacheItem define structure for caching real time data with calculation capabilities
type CacheItem struct {
	key            string
	value          []any
	noticeChan     chan struct{}
	calculatorFunc func(done chan struct{}, params []any)
	lastAccessed   time.Time
}

// Reset defines func to reset the CacheItem to its zero state
func (ci *CacheItem) Reset() {
	ci.key = ""
	ci.value = nil
	ci.noticeChan = nil
	ci.calculatorFunc = nil
	ci.lastAccessed = time.Time{}
}

// IsExpired defines func to check if the cache item has expired based on a given TTL
func (ci *CacheItem) IsExpired(ttl time.Duration) bool {
	return time.Since(ci.lastAccessed) > ttl
}