/
list_collections.go
executable file
·198 lines (165 loc) · 5.42 KB
/
list_collections.go
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// Copyright (C) MongoDB, Inc. 2019-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
// Code generated by operationgen. DO NOT EDIT.
package operation
import (
"context"
"errors"
"go.mongodb.org/mongo-driver/event"
"go.mongodb.org/mongo-driver/mongo/readpref"
"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
"go.mongodb.org/mongo-driver/x/mongo/driver"
"go.mongodb.org/mongo-driver/x/mongo/driver/description"
"go.mongodb.org/mongo-driver/x/mongo/driver/session"
)
// ListCollections performs a listCollections operation.
type ListCollections struct {
filter bsoncore.Document
nameOnly *bool
session *session.Client
clock *session.ClusterClock
monitor *event.CommandMonitor
database string
deployment driver.Deployment
readPreference *readpref.ReadPref
selector description.ServerSelector
retry *driver.RetryMode
result driver.CursorResponse
}
// NewListCollections constructs and returns a new ListCollections.
func NewListCollections(filter bsoncore.Document) *ListCollections {
return &ListCollections{
filter: filter,
}
}
// Result returns the result of executing this operation.
func (lc *ListCollections) Result(opts driver.CursorOptions) (*driver.ListCollectionsBatchCursor, error) {
bc, err := driver.NewBatchCursor(lc.result, lc.session, lc.clock, opts)
if err != nil {
return nil, err
}
desc := lc.result.Desc
if desc.WireVersion == nil || desc.WireVersion.Max < 3 {
return driver.NewLegacyListCollectionsBatchCursor(bc)
}
return driver.NewListCollectionsBatchCursor(bc)
}
func (lc *ListCollections) processResponse(response bsoncore.Document, srvr driver.Server, desc description.Server) error {
var err error
lc.result, err = driver.NewCursorResponse(response, srvr, desc)
return err
}
// Execute runs this operations and returns an error if the operaiton did not execute successfully.
func (lc *ListCollections) Execute(ctx context.Context) error {
if lc.deployment == nil {
return errors.New("the ListCollections operation must have a Deployment set before Execute can be called")
}
return driver.Operation{
CommandFn: lc.command,
ProcessResponseFn: lc.processResponse,
RetryMode: lc.retry,
Type: driver.Read,
Client: lc.session,
Clock: lc.clock,
CommandMonitor: lc.monitor,
Database: lc.database,
Deployment: lc.deployment,
ReadPreference: lc.readPreference,
Selector: lc.selector,
Legacy: driver.LegacyListCollections,
}.Execute(ctx, nil)
}
func (lc *ListCollections) command(dst []byte, desc description.SelectedServer) ([]byte, error) {
dst = bsoncore.AppendInt32Element(dst, "listCollections", 1)
if lc.filter != nil {
dst = bsoncore.AppendDocumentElement(dst, "filter", lc.filter)
}
if lc.nameOnly != nil {
dst = bsoncore.AppendBooleanElement(dst, "nameOnly", *lc.nameOnly)
}
return dst, nil
}
// Filter determines what results are returned from listCollections.
func (lc *ListCollections) Filter(filter bsoncore.Document) *ListCollections {
if lc == nil {
lc = new(ListCollections)
}
lc.filter = filter
return lc
}
// NameOnly specifies whether to only return collection names.
func (lc *ListCollections) NameOnly(nameOnly bool) *ListCollections {
if lc == nil {
lc = new(ListCollections)
}
lc.nameOnly = &nameOnly
return lc
}
// Session sets the session for this operation.
func (lc *ListCollections) Session(session *session.Client) *ListCollections {
if lc == nil {
lc = new(ListCollections)
}
lc.session = session
return lc
}
// ClusterClock sets the cluster clock for this operation.
func (lc *ListCollections) ClusterClock(clock *session.ClusterClock) *ListCollections {
if lc == nil {
lc = new(ListCollections)
}
lc.clock = clock
return lc
}
// CommandMonitor sets the monitor to use for APM events.
func (lc *ListCollections) CommandMonitor(monitor *event.CommandMonitor) *ListCollections {
if lc == nil {
lc = new(ListCollections)
}
lc.monitor = monitor
return lc
}
// Database sets the database to run this operation against.
func (lc *ListCollections) Database(database string) *ListCollections {
if lc == nil {
lc = new(ListCollections)
}
lc.database = database
return lc
}
// Deployment sets the deployment to use for this operation.
func (lc *ListCollections) Deployment(deployment driver.Deployment) *ListCollections {
if lc == nil {
lc = new(ListCollections)
}
lc.deployment = deployment
return lc
}
// ReadPreference set the read prefernce used with this operation.
func (lc *ListCollections) ReadPreference(readPreference *readpref.ReadPref) *ListCollections {
if lc == nil {
lc = new(ListCollections)
}
lc.readPreference = readPreference
return lc
}
// ServerSelector sets the selector used to retrieve a server.
func (lc *ListCollections) ServerSelector(selector description.ServerSelector) *ListCollections {
if lc == nil {
lc = new(ListCollections)
}
lc.selector = selector
return lc
}
// Retry enables retryable mode for this operation. Retries are handled automatically in driver.Operation.Execute based
// on how the operation is set.
func (lc *ListCollections) Retry(retry driver.RetryMode) *ListCollections {
if lc == nil {
lc = new(ListCollections)
}
lc.retry = &retry
return lc
}