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package arangodb
import (
"context"
"fmt"
"github.com/arangodb/go-driver"
"github.com/seaweedfs/seaweedfs/weed/filer"
"github.com/seaweedfs/seaweedfs/weed/glog"
)
func (store *ArangodbStore) KvPut(ctx context.Context, key []byte, value []byte) (err error) {
model := &Model{
Key: hashString(".kvstore." + string(key)),
Directory: ".kvstore." + string(key),
Meta: bytesToArray(value),
}
exists, err := store.kvCollection.DocumentExists(ctx, model.Key)
if err != nil {
return fmt.Errorf("kv put: %v", err)
}
if exists {
_, err = store.kvCollection.UpdateDocument(ctx, model.Key, model)
} else {
_, err = store.kvCollection.CreateDocument(ctx, model)
}
if err != nil {
return fmt.Errorf("kv put: %v", err)
}
return nil
}
func (store *ArangodbStore) KvGet(ctx context.Context, key []byte) (value []byte, err error) {
var model Model
_, err = store.kvCollection.ReadDocument(ctx, hashString(".kvstore."+string(key)), &model)
if driver.IsNotFound(err) {
return nil, filer.ErrKvNotFound
}
if err != nil {
glog.ErrorfCtx(ctx, "kv get: %s %v", string(key), err)
return nil, filer.ErrKvNotFound
}
return arrayToBytes(model.Meta), nil
}
func (store *ArangodbStore) KvDelete(ctx context.Context, key []byte) (err error) {
_, err = store.kvCollection.RemoveDocument(ctx, hashString(".kvstore."+string(key)))
if err != nil {
glog.ErrorfCtx(ctx, "kv del: %v", err)
return filer.ErrKvNotFound
}
return nil
}
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