snapshot of https://github.com/ent/ent.git (master, 2026-09-15; blobs > 131072B omitted)
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333
entc/integration/gremlin/ent/document_update.go
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333
entc/integration/gremlin/ent/document_update.go
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// Copyright 2019-present Facebook Inc. All rights reserved.
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// This source code is licensed under the Apache 2.0 license found
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// in the LICENSE file in the root directory of this source tree.
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// Code generated by ent, DO NOT EDIT.
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package ent
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import (
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"context"
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"errors"
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"entgo.io/ent/dialect/gremlin"
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"entgo.io/ent/dialect/gremlin/graph/dsl"
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"entgo.io/ent/dialect/gremlin/graph/dsl/__"
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"entgo.io/ent/dialect/gremlin/graph/dsl/g"
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"entgo.io/ent/dialect/gremlin/graph/dsl/p"
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"entgo.io/ent/entc/integration/ent/schema"
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"entgo.io/ent/entc/integration/gremlin/ent/document"
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"entgo.io/ent/entc/integration/gremlin/ent/predicate"
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)
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// DocumentUpdate is the builder for updating Document entities.
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type DocumentUpdate struct {
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config
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hooks []Hook
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mutation *DocumentMutation
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}
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// Where appends a list predicates to the DocumentUpdate builder.
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func (_u *DocumentUpdate) Where(ps ...predicate.Document) *DocumentUpdate {
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_u.mutation.Where(ps...)
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return _u
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}
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// SetName sets the "name" field.
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func (_u *DocumentUpdate) SetName(v string) *DocumentUpdate {
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_u.mutation.SetName(v)
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return _u
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}
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// SetNillableName sets the "name" field if the given value is not nil.
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func (_u *DocumentUpdate) SetNillableName(v *string) *DocumentUpdate {
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if v != nil {
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_u.SetName(*v)
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}
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return _u
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}
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// Mutation returns the DocumentMutation object of the builder.
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func (_u *DocumentUpdate) Mutation() *DocumentMutation {
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return _u.mutation
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}
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// Save executes the query and returns the number of nodes affected by the update operation.
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func (_u *DocumentUpdate) Save(ctx context.Context) (int, error) {
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return withHooks(ctx, _u.gremlinSave, _u.mutation, _u.hooks)
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}
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// SaveX is like Save, but panics if an error occurs.
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func (_u *DocumentUpdate) SaveX(ctx context.Context) int {
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affected, err := _u.Save(ctx)
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if err != nil {
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panic(err)
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}
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return affected
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}
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// Exec executes the query.
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func (_u *DocumentUpdate) Exec(ctx context.Context) error {
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_, err := _u.Save(ctx)
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return err
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}
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// ExecX is like Exec, but panics if an error occurs.
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func (_u *DocumentUpdate) ExecX(ctx context.Context) {
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if err := _u.Exec(ctx); err != nil {
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panic(err)
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}
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}
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func (_u *DocumentUpdate) gremlinSave(ctx context.Context) (int, error) {
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res := &gremlin.Response{}
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query, bindings := _u.gremlin().Query()
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if err := _u.driver.Exec(ctx, query, bindings, res); err != nil {
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return 0, err
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}
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if err, ok := isConstantError(res); ok {
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return 0, err
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}
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_u.mutation.done = true
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return res.ReadInt()
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}
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func (_u *DocumentUpdate) gremlin() *dsl.Traversal {
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type constraint struct {
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pred *dsl.Traversal // constraint predicate.
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test *dsl.Traversal // test matches and its constant.
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}
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constraints := make([]*constraint, 0, 1)
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v := g.V().HasLabel(document.Label)
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for _, p := range _u.mutation.Predicates() {
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p(v)
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}
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var (
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rv = v.Clone()
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_ = rv
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trs []*dsl.Traversal
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)
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if value, ok := _u.mutation.Name(); ok {
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constraints = append(constraints, &constraint{
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pred: g.V().Has(document.Label, document.FieldName, value).Count(),
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test: __.Is(p.NEQ(0)).Constant(NewErrUniqueField(document.Label, document.FieldName, value)),
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})
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v.Property(dsl.Single, document.FieldName, value)
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}
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var properties []any
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if len(properties) > 0 {
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v.SideEffect(__.Properties(properties...).Drop())
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}
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v.Count()
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if len(constraints) > 0 {
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constraints = append(constraints, &constraint{
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pred: rv.Count(),
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test: __.Is(p.GT(1)).Constant(&ConstraintError{msg: "update traversal contains more than one vertex"}),
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})
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v = constraints[0].pred.Coalesce(constraints[0].test, v)
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for _, cr := range constraints[1:] {
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v = cr.pred.Coalesce(cr.test, v)
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}
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}
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trs = append(trs, v)
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return dsl.Join(trs...)
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}
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// DocumentUpdateOne is the builder for updating a single Document entity.
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type DocumentUpdateOne struct {
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config
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fields []string
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hooks []Hook
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mutation *DocumentMutation
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}
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// SetName sets the "name" field.
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func (_u *DocumentUpdateOne) SetName(v string) *DocumentUpdateOne {
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_u.mutation.SetName(v)
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return _u
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}
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// SetNillableName sets the "name" field if the given value is not nil.
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func (_u *DocumentUpdateOne) SetNillableName(v *string) *DocumentUpdateOne {
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if v != nil {
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_u.SetName(*v)
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}
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return _u
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}
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// SetAttachment sets the "attachment" field.
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func (_u *DocumentUpdateOne) SetAttachment(v []byte) *DocumentUpdateOne {
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_u.mutation.SetAttachment(v)
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return _u
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}
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// SetNillableAttachment sets the "attachment" field if the given value is not nil.
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func (_u *DocumentUpdateOne) SetNillableAttachment(v *[]byte) *DocumentUpdateOne {
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if v != nil {
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_u.SetAttachment(*v)
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}
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return _u
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}
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// SetMetadata sets the "metadata" field.
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func (_u *DocumentUpdateOne) SetMetadata(v []byte) *DocumentUpdateOne {
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_u.mutation.SetMetadata(v)
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return _u
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}
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// SetNillableMetadata sets the "metadata" field if the given value is not nil.
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func (_u *DocumentUpdateOne) SetNillableMetadata(v *[]byte) *DocumentUpdateOne {
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if v != nil {
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_u.SetMetadata(*v)
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}
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return _u
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}
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// ClearMetadata clears the value of the "metadata" field.
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func (_u *DocumentUpdateOne) ClearMetadata() *DocumentUpdateOne {
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_u.mutation.ClearMetadata()
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return _u
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}
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// SetPayload sets the "payload" field.
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func (_u *DocumentUpdateOne) SetPayload(v *schema.DocPayload) *DocumentUpdateOne {
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_u.mutation.SetPayload(v)
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return _u
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}
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// ClearPayload clears the value of the "payload" field.
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func (_u *DocumentUpdateOne) ClearPayload() *DocumentUpdateOne {
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_u.mutation.ClearPayload()
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return _u
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}
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// SetDescription sets the "description" field.
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func (_u *DocumentUpdateOne) SetDescription(v string) *DocumentUpdateOne {
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_u.mutation.SetDescription(v)
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return _u
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}
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// SetNillableDescription sets the "description" field if the given value is not nil.
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func (_u *DocumentUpdateOne) SetNillableDescription(v *string) *DocumentUpdateOne {
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if v != nil {
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_u.SetDescription(*v)
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}
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return _u
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}
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// ClearDescription clears the value of the "description" field.
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func (_u *DocumentUpdateOne) ClearDescription() *DocumentUpdateOne {
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_u.mutation.ClearDescription()
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return _u
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}
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// Mutation returns the DocumentMutation object of the builder.
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func (_u *DocumentUpdateOne) Mutation() *DocumentMutation {
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return _u.mutation
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}
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// Where appends a list predicates to the DocumentUpdate builder.
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func (_u *DocumentUpdateOne) Where(ps ...predicate.Document) *DocumentUpdateOne {
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_u.mutation.Where(ps...)
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return _u
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}
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// Select allows selecting one or more fields (columns) of the returned entity.
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// The default is selecting all fields defined in the entity schema.
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func (_u *DocumentUpdateOne) Select(field string, fields ...string) *DocumentUpdateOne {
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_u.fields = append([]string{field}, fields...)
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return _u
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}
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// Save executes the query and returns the updated Document entity.
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func (_u *DocumentUpdateOne) Save(ctx context.Context) (*Document, error) {
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return withHooks(ctx, _u.gremlinSave, _u.mutation, _u.hooks)
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}
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// SaveX is like Save, but panics if an error occurs.
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func (_u *DocumentUpdateOne) SaveX(ctx context.Context) *Document {
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node, err := _u.Save(ctx)
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if err != nil {
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panic(err)
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}
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return node
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}
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// Exec executes the query on the entity.
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func (_u *DocumentUpdateOne) Exec(ctx context.Context) error {
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_, err := _u.Save(ctx)
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return err
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}
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// ExecX is like Exec, but panics if an error occurs.
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func (_u *DocumentUpdateOne) ExecX(ctx context.Context) {
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if err := _u.Exec(ctx); err != nil {
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panic(err)
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}
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}
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func (_u *DocumentUpdateOne) gremlinSave(ctx context.Context) (*Document, error) {
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res := &gremlin.Response{}
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id, ok := _u.mutation.ID()
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if !ok {
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return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "Document.id" for update`)}
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}
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query, bindings := _u.gremlin(id).Query()
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if err := _u.driver.Exec(ctx, query, bindings, res); err != nil {
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return nil, err
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}
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if err, ok := isConstantError(res); ok {
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return nil, err
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}
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_u.mutation.done = true
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_m := &Document{config: _u.config}
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if err := _m.FromResponse(res); err != nil {
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return nil, err
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}
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return _m, nil
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}
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func (_u *DocumentUpdateOne) gremlin(id string) *dsl.Traversal {
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type constraint struct {
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pred *dsl.Traversal // constraint predicate.
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test *dsl.Traversal // test matches and its constant.
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}
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constraints := make([]*constraint, 0, 1)
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v := g.V(id)
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var (
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rv = v.Clone()
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_ = rv
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trs []*dsl.Traversal
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)
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if value, ok := _u.mutation.Name(); ok {
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constraints = append(constraints, &constraint{
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pred: g.V().Has(document.Label, document.FieldName, value).Count(),
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test: __.Is(p.NEQ(0)).Constant(NewErrUniqueField(document.Label, document.FieldName, value)),
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})
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v.Property(dsl.Single, document.FieldName, value)
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}
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var properties []any
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if len(properties) > 0 {
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v.SideEffect(__.Properties(properties...).Drop())
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}
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if len(_u.fields) > 0 {
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fields := make([]any, 0, len(_u.fields)+1)
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fields = append(fields, true)
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for _, f := range _u.fields {
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fields = append(fields, f)
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}
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v.ValueMap(fields...)
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} else {
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v.ValueMap(true)
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}
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if len(constraints) > 0 {
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v = constraints[0].pred.Coalesce(constraints[0].test, v)
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for _, cr := range constraints[1:] {
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v = cr.pred.Coalesce(cr.test, v)
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}
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}
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trs = append(trs, v)
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return dsl.Join(trs...)
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}
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