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package storage
var _ CHR = &Memory{}
// Memory is an in-memory non-persistent storage type
// using it in production is not recommended
type Memory struct {
store map[string]string
}
// Create will store a value in a key in memory
func (r *Memory) Create(key, value string, checkcollision bool) error {
if !r.Healthy() {
return Unhealthy
}
if checkcollision {
if _, ok := r.store[key]; ok {
return Collision
}
}
r.store[key] = value
return nil
}
// Read will read a key from memory, if it's there
func (r *Memory) Read(key string) (string, error) {
if !r.Healthy() {
return "", Unhealthy
}
if val, ok := r.store[key]; ok {
return val, nil
}
return "", Error("value not found")
}
// Healthy checks if the memory storage is initialized
func (r *Memory) Healthy() bool {
return r.store != nil
}
// NewMemory initializes a memory backend for use
func NewMemory() CHR {
m := Memory{
store: make(map[string]string),
}
return &m
}
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