/
memory.go
52 lines (45 loc) · 1.04 KB
/
memory.go
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package ez3
import (
"fmt"
"strings"
)
// MemoryEZ3 is an in-memory implementation of the EZ3 API.
type MemoryEZ3 struct {
storage map[string][]byte
}
// Get retrieves a value from memory.
func (e MemoryEZ3) Get(key string, dst Serializable) error {
data, ok := e.storage[key]
if !ok {
return fmt.Errorf("key not found: %s", key)
}
return dst.Deserialize(data)
}
// Set stores a value in memory.
func (e MemoryEZ3) Set(key string, val Serializable) error {
data, err := val.Serialize()
if err != nil {
return err
}
e.storage[key] = data
return nil
}
// Del removes a value from memory.
func (e MemoryEZ3) Del(key string) error {
delete(e.storage, key)
return nil
}
// List lists all keys in memory with the given prefix.
func (e MemoryEZ3) List(prefix string) ([]string, error) {
var keys []string
for k := range e.storage {
if strings.HasPrefix(k, prefix) {
keys = append(keys, k)
}
}
return keys, nil
}
// NewMemory creates a new memory-based EZ3 client.
func NewMemory() EZ3 {
return MemoryEZ3{storage: make(map[string][]byte)}
}