/
store.go
72 lines (59 loc) · 1.12 KB
/
store.go
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package zzcache
import (
"fmt"
"github.com/armon/go-radix"
)
type Store interface {
Set(key string, value []byte) error
Get(key string) ([]byte, error)
Delete(key string) error
}
type Map struct {
data map[string][]byte
}
func NewMap() Store {
return &Map{
data: map[string][]byte{},
}
}
func (m *Map) Get(key string) ([]byte, error) {
v, ok := m.data[key]
if !ok {
return nil, fmt.Errorf("key: %s is not found", key)
}
return v, nil
}
func (m *Map) Set(key string, value []byte) error {
m.data[key] = value
return nil
}
func (m *Map) Delete(key string) error {
delete(m.data, key)
return nil
}
type Radix struct {
tree *radix.Tree
}
func NewRadix() Store {
return &Radix{
tree: radix.New(),
}
}
func (r *Radix) Get(key string) ([]byte, error) {
res, ok := r.tree.Get(key)
if !ok {
return nil, fmt.Errorf("unable to get value")
}
return res.([]byte), nil
}
func (r *Radix) Set(key string, value []byte) error {
r.tree.Insert(key, value)
return nil
}
func (r *Radix) Delete(key string) error {
_, ok := r.tree.Delete(key)
if !ok {
return fmt.Errorf("unable to delete key: %s", key)
}
return nil
}