func (store *BoltStore) Del(uri string) error {
namespace, key := util.NamespaceKey(uri)
bucketkeys := util.PathFolders(namespace)
var bucket *bolt.Bucket = nil
var err error
e := store.db.Update(func(tx *bolt.Tx) error {
for _, bucketkey := range bucketkeys {
if bucket == nil {
bucket, err = tx.CreateBucketIfNotExists([]byte(bucketkey))
if err != nil {
return err
}
} else {
bucket, err = bucket.CreateBucketIfNotExists([]byte(bucketkey))
if err != nil {
return err
}
}
}
bucket.DeleteBucket([]byte(key))
bucket.Delete([]byte(key))
return nil
})
return e
}
func (store *BoltStore) Get(uri string, nested bool) (interface{}, error) {
namespace, key := util.NamespaceKey(uri)
bucketkeys := util.PathFolders(namespace)
var bucket *bolt.Bucket = nil
var result interface{}
e := store.db.View(func(tx *bolt.Tx) error {
for _, bucketkey := range bucketkeys {
if bucket == nil {
bucket = tx.Bucket([]byte(bucketkey))
if bucket == nil {
return errors.New(uri + " not exists")
}
} else {
bucket = bucket.Bucket([]byte(bucketkey))
if bucket == nil {
return errors.New(uri + " not exists")
}
}
}
if bucket == nil {
return errors.New(uri + " not exists")
}
val, err := store.get(bucket, key, nested)
if err != nil {
return err
}
result = val
return nil
})
return result, e
}
func (store *BoltStore) Size(uri string) (int64, error) {
namespace, key := util.NamespaceKey(uri)
bucketkeys := util.PathFolders(namespace)
var bucket *bolt.Bucket = nil
var result int64 = 0
e := store.db.View(func(tx *bolt.Tx) error {
for _, bucketkey := range bucketkeys {
if bucket == nil {
bucket = tx.Bucket([]byte(bucketkey))
if bucket == nil {
return errors.New(uri + " not exists")
}
} else {
bucket = bucket.Bucket([]byte(bucketkey))
if bucket == nil {
return errors.New(uri + " not exists")
}
}
}
if bucket == nil {
return errors.New(uri + " not exists")
}
result = store.size(bucket, key, nil)
return nil
})
return result, e
}
func (store *BoltStore) Put(uri string, value interface{}) error {
namespace, key := util.NamespaceKey(uri)
bucketkeys := util.PathFolders(namespace)
var bucket *bolt.Bucket = nil
var err error
e := store.db.Update(func(tx *bolt.Tx) error {
for _, bucketkey := range bucketkeys {
if bucket == nil {
bucket, err = tx.CreateBucketIfNotExists([]byte(bucketkey))
if err != nil {
return err
}
} else {
bucket, err = bucket.CreateBucketIfNotExists([]byte(bucketkey))
if err != nil {
return err
}
}
}
return store.put(bucket, key, value)
})
return e
}