open-vault/vendor/go.mongodb.org/mongo-driver/mongo/batch_cursor.go
Michel Vocks 027ada452e
Mongodb driver switch to mongo-driver (#8140)
* Switch mongodb driver to mongo-driver

* Tidy mod

* Make writeConcern private

* Implement review feedback

* Add retry functionality

* Added backoff time

* go mod vendor

* Fix failing test

* goimport
2020-01-24 09:32:47 +01:00

43 lines
1.3 KiB
Go

package mongo
import (
"context"
"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
"go.mongodb.org/mongo-driver/x/mongo/driver"
)
// batchCursor is the interface implemented by types that can provide batches of document results.
// The Cursor type is built on top of this type.
type batchCursor interface {
// ID returns the ID of the cursor.
ID() int64
// Next returns true if there is a batch available.
Next(context.Context) bool
// Batch will return a DocumentSequence for the current batch of documents. The returned
// DocumentSequence is only valid until the next call to Next or Close.
Batch() *bsoncore.DocumentSequence
// Server returns a pointer to the cursor's server.
Server() driver.Server
// Err returns the last error encountered.
Err() error
// Close closes the cursor.
Close(context.Context) error
}
// changeStreamCursor is the interface implemented by batch cursors that also provide the functionality for retrieving
// a postBatchResumeToken from commands and allows for the cursor to be killed rather than closed
type changeStreamCursor interface {
batchCursor
// PostBatchResumeToken returns the latest seen post batch resume token.
PostBatchResumeToken() bsoncore.Document
// KillCursor kills cursor on server without closing batch cursor
KillCursor(context.Context) error
}