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package main
import (
"fmt"
"io"
"io/ioutil"
"gopkg.in/src-d/go-git.v4/core"
"github.com/aerospike/aerospike-client-go"
)
// CREATE INDEX commits ON test.commit (url) STRING;
// CREATE INDEX blobs ON test.blob (url) STRING;
type AerospikeStorage struct {
url string
client *aerospike.Client
os *AerospikeObjectStorage
rs *AerospikeReferenceStorage
}
func NewAerospikeStorage(url string, client *aerospike.Client) *AerospikeStorage {
return &AerospikeStorage{url: url, client: client}
}
func (s *AerospikeStorage) ObjectStorage() core.ObjectStorage {
if s.os == nil {
s.os = NewAerospikeObjectStorage(s.url, s.client)
}
return s.os
}
func (s *AerospikeStorage) ReferenceStorage() core.ReferenceStorage {
if s.rs == nil {
s.rs = NewAerospikeReferenceStorage(s.url, s.client)
}
return s.rs
}
type AerospikeObjectStorage struct {
url string
client *aerospike.Client
}
func NewAerospikeObjectStorage(url string, c *aerospike.Client) *AerospikeObjectStorage {
return &AerospikeObjectStorage{url, c}
}
func (s *AerospikeObjectStorage) NewObject() core.Object {
return &core.MemoryObject{}
}
func (o *AerospikeObjectStorage) Set(obj core.Object) (core.Hash, error) {
key, err := aerospike.NewKey("test", obj.Type().String(), obj.Hash().String())
if err != nil {
return obj.Hash(), err
}
r, err := obj.Reader()
if err != nil {
return obj.Hash(), err
}
c, err := ioutil.ReadAll(r)
if err != nil {
return obj.Hash(), err
}
bins := aerospike.BinMap{
"url": o.url,
"hash": obj.Hash().String(),
"type": obj.Type().String(),
"blob": c,
}
err = o.client.Put(nil, key, bins)
fmt.Println(err, key)
return obj.Hash(), err
}
func (o *AerospikeObjectStorage) Get(h core.Hash) (core.Object, error) {
key, err := keyFromObject(h)
if err != nil {
return nil, err
}
rec, err := o.client.Get(nil, key)
if err != nil {
return nil, err
}
fmt.Println(rec.Bins)
return nil, core.ErrObjectNotFound
}
func (o *AerospikeObjectStorage) Iter(t core.ObjectType) (core.ObjectIter, error) {
s := aerospike.NewStatement("test", t.String())
err := s.Addfilter(aerospike.NewEqualFilter("url", o.url))
rs, err := o.client.Query(nil, s)
if err != nil {
return nil, err
}
return &AerospikeObjectIter{t, rs.Records}, nil
}
func keyFromObject(h core.Hash) (*aerospike.Key, error) {
return aerospike.NewKey("test", "objects", h.String())
}
type AerospikeObjectIter struct {
t core.ObjectType
ch chan *aerospike.Record
}
func (i *AerospikeObjectIter) Next() (core.Object, error) {
r := <-i.ch
if r == nil {
return nil, io.EOF
}
content := r.Bins["blob"].([]byte)
o := &core.MemoryObject{}
o.SetType(i.t)
o.SetSize(int64(len(content)))
_, err := o.Write(content)
if err != nil {
return nil, err
}
return o, nil
}
func (i *AerospikeObjectIter) ForEach(cb func(obj core.Object) error) error {
for {
obj, err := i.Next()
if err != nil {
if err == io.EOF {
return nil
}
return err
}
if err := cb(obj); err != nil {
if err == core.ErrStop {
return nil
}
return err
}
}
}
func (i *AerospikeObjectIter) Close() {}
type AerospikeReferenceStorage struct {
url string
client *aerospike.Client
}
func NewAerospikeReferenceStorage(url string, c *aerospike.Client) *AerospikeReferenceStorage {
return &AerospikeReferenceStorage{url, c}
}
// Set stores a reference.
func (s *AerospikeReferenceStorage) Set(ref *core.Reference) error {
key, err := aerospike.NewKey("test", "references", ref.Name().String())
if err != nil {
return err
}
raw := ref.Strings()
bins := aerospike.BinMap{
"url": s.url,
"name": raw[0],
"target": raw[1],
}
return s.client.Put(nil, key, bins)
}
// Get returns a stored reference with the given name
func (s *AerospikeReferenceStorage) Get(n core.ReferenceName) (*core.Reference, error) {
key, err := aerospike.NewKey("test", "references", n.String())
if err != nil {
return nil, err
}
rec, err := s.client.Get(nil, key)
if err != nil {
return nil, err
}
return core.NewReferenceFromStrings(
rec.Bins["name"].(string),
rec.Bins["target"].(string),
), nil
}
// Iter returns a core.ReferenceIter
func (s *AerospikeReferenceStorage) Iter() (core.ReferenceIter, error) {
stmnt := aerospike.NewStatement("test", "references")
err := stmnt.Addfilter(aerospike.NewEqualFilter("url", s.url))
if err != nil {
return nil, err
}
rs, err := s.client.Query(nil, stmnt)
if err != nil {
return nil, err
}
var refs []*core.Reference
for r := range rs.Records {
refs = append(refs, core.NewReferenceFromStrings(
r.Bins["name"].(string),
r.Bins["target"].(string),
))
}
return core.NewReferenceSliceIter(refs), nil
}
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