func (e *Elasticsearch) applyOp(msg *message.Msg) (*message.Msg, error) {
if msg.Op == message.Command {
err := e.runCommand(msg)
if err != nil {
e.pipe.Err <- NewError(ERROR, e.path, fmt.Sprintf("elasticsearch error (%s)", err), msg.Data)
}
return msg, nil
}
// TODO there might be some inconsistency here. elasticsearch uses the _id field for an primary index,
// and we're just mapping it to a string here.
id, err := msg.IDString("_id")
if err != nil {
id = ""
}
_, _type, err := msg.SplitNamespace()
if err != nil {
e.pipe.Err <- NewError(ERROR, e.path, fmt.Sprintf("unable to determine type from msg.Namespace (%s)", msg.Namespace), msg)
return msg, nil
}
switch msg.Op {
case message.Delete:
e.indexer.Delete(e.index, _type, id, false)
err = nil
default:
err = e.indexer.Index(e.index, _type, id, "", "", nil, msg.Data, false)
}
if err != nil {
e.pipe.Err <- NewError(ERROR, e.path, fmt.Sprintf("elasticsearch error (%s)", err), msg.Data)
}
return msg, nil
}
func (a *Appbase) addBulkCommand(msg *message.Msg) (*message.Msg, error) {
id, err := msg.IDString("_id")
if err != nil {
id = ""
}
switch msg.Op {
case message.Delete:
bulkRequest := elastic.NewBulkDeleteRequest().Index(a.appName).Type(a.typename).Id(id)
a.AddBulkRequestSize(bulkRequest)
a.bulkService.Add(bulkRequest)
break
case message.Update:
bulkRequest := elastic.NewBulkUpdateRequest().Index(a.appName).Type(a.typename).Id(id).Doc(msg.Data)
a.AddBulkRequestSize(bulkRequest)
a.bulkService.Add(bulkRequest)
break
default:
bulkRequest := elastic.NewBulkIndexRequest().Index(a.appName).Type(a.typename).Id(id).Doc(msg.Data)
a.AddBulkRequestSize(bulkRequest)
a.bulkService.Add(bulkRequest)
break
}
a.commitBulk(false)
return msg, nil
}
// applyOp applies one operation to the database
func (cloudant *Cloudant) applyOp(msg *message.Msg) (*message.Msg, error) {
var err error
doc := msg.Map()
database := cloudant.client.DB(cloudant.database)
switch msg.Op {
case message.Delete:
id, err := msg.IDString("_id")
if err != nil {
cloudant.pipe.Err <- NewError(ERROR, cloudant.path, "cloudant error (cannot delete an object with a nil id)", msg.Data)
return msg, err
}
rev, err := msg.IDString("_rev")
if err != nil {
cloudant.pipe.Err <- NewError(ERROR, cloudant.path, "cloudant error (cannot delete an object with a nil rev)", msg.Data)
return msg, err
}
tombstone, err := database.Delete(id, rev)
if err == nil && cloudant.debug {
fmt.Printf("Deleted document {_id=%s, _rev=%s} => tombstode rev: %s\n", id, rev, tombstone)
}
case message.Insert: // If the doc contains _id this will be respected
_, err := msg.IDString("_rev") // If the doc contains a _rev, it can't be an insert, as this would mean a conflict.
if err == nil {
cloudant.pipe.Err <- NewError(ERROR, cloudant.path, "cloudant error (cannot insert doc that already has a rev)", msg.Data)
return msg, err
}
newid, newrev, err := database.Post(doc)
if err == nil && cloudant.debug {
fmt.Printf("Inserted new document as {_id=%s, _rev=%s}\n", newid, newrev)
}
case message.Update:
id, err := msg.IDString("_id")
if err != nil {
cloudant.pipe.Err <- NewError(ERROR, cloudant.path, "cloudant error (cannot update an object with a nil id)", msg.Data)
return msg, err
}
rev, _ := msg.IDString("_rev")
newrev, err := database.Put(id, doc, rev)
if err == nil && cloudant.debug {
fmt.Printf("Updated document as {_id=%s, _rev=%s}\n", id, newrev)
}
}
if err != nil {
errmsg := fmt.Sprintf("cloudant error (database '%s') %+v %+v", cloudant.database, err, msg)
if cloudant.debug {
fmt.Println(errmsg)
}
cloudant.pipe.Err <- NewError(ERROR, cloudant.path, errmsg, err)
}
return msg, err
}
// applyOp applies one operation to the database
func (r *Rethinkdb) applyOp(msg *message.Msg) (*message.Msg, error) {
var (
resp gorethink.WriteResponse
err error
)
_, msgTable, err := msg.SplitNamespace()
if err != nil {
r.pipe.Err <- NewError(ERROR, r.path, fmt.Sprintf("rethinkdb error (msg namespace improperly formatted, must be database.table, got %s)", msg.Namespace), msg.Data)
return msg, nil
}
if !msg.IsMap() {
r.pipe.Err <- NewError(ERROR, r.path, "rethinkdb error (document must be a json document)", msg.Data)
return msg, nil
}
doc := msg.Map()
switch msg.Op {
case message.Delete:
id, err := msg.IDString("id")
if err != nil {
r.pipe.Err <- NewError(ERROR, r.path, "rethinkdb error (cannot delete an object with a nil id)", msg.Data)
return msg, nil
}
resp, err = gorethink.Table(msgTable).Get(id).Delete().RunWrite(r.client)
case message.Insert:
resp, err = gorethink.Table(msgTable).Insert(doc).RunWrite(r.client)
case message.Update:
resp, err = gorethink.Table(msgTable).Insert(doc, gorethink.InsertOpts{Conflict: "replace"}).RunWrite(r.client)
}
if err != nil {
r.pipe.Err <- NewError(ERROR, r.path, "rethinkdb error (%s)", err)
return msg, nil
}
err = r.handleResponse(&resp)
if err != nil {
r.pipe.Err <- NewError(ERROR, r.path, "rethinkdb error (%s)", err)
}
return msg, nil
}
func (e *Elasticsearch) applyOp(msg *message.Msg) (*message.Msg, error) {
if msg.Op == message.Command {
err := e.runCommand(msg)
if err != nil {
e.pipe.Err <- NewError(ERROR, e.path, fmt.Sprintf("elasticsearch error (%s)", err), msg.Data)
}
return msg, nil
}
// TODO there might be some inconsistency here. elasticsearch uses the _id field for an primary index,
// and we're just mapping it to a string here.
id, err := msg.IDString("_id")
if err != nil {
id = ""
}
// Possible fix for #151 issue: code added to make it working with elastic 2 and mongo (now it's possible to use _id)
if len(id) > 0 {
var message = msg.Map()
delete(message, "_id")
msg.Data = message
}
_, _type, err := msg.SplitNamespace()
if err != nil {
e.pipe.Err <- NewError(ERROR, e.path, fmt.Sprintf("unable to determine type from msg.Namespace (%s)", msg.Namespace), msg)
return msg, nil
}
switch msg.Op {
case message.Delete:
e.indexer.Delete(e.index, _type, id)
err = nil
default:
err = e.indexer.Index(e.index, _type, id, "", "", nil, msg.Data)
}
if err != nil {
e.pipe.Err <- NewError(ERROR, e.path, fmt.Sprintf("elasticsearch error (%s)", err), msg.Data)
}
return msg, nil
}