snapshot of https://github.com/ent/ent.git (master, 2026-09-15; blobs > 131072B omitted)

entc/integration/gremlin/ent/node_update.go

@@ -0,0 +1,495 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"time"
+
+	"entgo.io/ent/dialect/gremlin"
+	"entgo.io/ent/dialect/gremlin/graph/dsl"
+	"entgo.io/ent/dialect/gremlin/graph/dsl/__"
+	"entgo.io/ent/dialect/gremlin/graph/dsl/g"
+	"entgo.io/ent/dialect/gremlin/graph/dsl/p"
+	"entgo.io/ent/entc/integration/gremlin/ent/node"
+	"entgo.io/ent/entc/integration/gremlin/ent/predicate"
+)
+
+// NodeUpdate is the builder for updating Node entities.
+type NodeUpdate struct {
+	config
+	hooks    []Hook
+	mutation *NodeMutation
+}
+
+// Where appends a list predicates to the NodeUpdate builder.
+func (_u *NodeUpdate) Where(ps ...predicate.Node) *NodeUpdate {
+	_u.mutation.Where(ps...)
+	return _u
+}
+
+// SetValue sets the "value" field.
+func (_u *NodeUpdate) SetValue(v int) *NodeUpdate {
+	_u.mutation.ResetValue()
+	_u.mutation.SetValue(v)
+	return _u
+}
+
+// SetNillableValue sets the "value" field if the given value is not nil.
+func (_u *NodeUpdate) SetNillableValue(v *int) *NodeUpdate {
+	if v != nil {
+		_u.SetValue(*v)
+	}
+	return _u
+}
+
+// AddValue adds value to the "value" field.
+func (_u *NodeUpdate) AddValue(v int) *NodeUpdate {
+	_u.mutation.AddValue(v)
+	return _u
+}
+
+// ClearValue clears the value of the "value" field.
+func (_u *NodeUpdate) ClearValue() *NodeUpdate {
+	_u.mutation.ClearValue()
+	return _u
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (_u *NodeUpdate) SetUpdatedAt(v time.Time) *NodeUpdate {
+	_u.mutation.SetUpdatedAt(v)
+	return _u
+}
+
+// ClearUpdatedAt clears the value of the "updated_at" field.
+func (_u *NodeUpdate) ClearUpdatedAt() *NodeUpdate {
+	_u.mutation.ClearUpdatedAt()
+	return _u
+}
+
+// SetPrevID sets the "prev" edge to the Node entity by ID.
+func (_u *NodeUpdate) SetPrevID(id string) *NodeUpdate {
+	_u.mutation.SetPrevID(id)
+	return _u
+}
+
+// SetNillablePrevID sets the "prev" edge to the Node entity by ID if the given value is not nil.
+func (_u *NodeUpdate) SetNillablePrevID(id *string) *NodeUpdate {
+	if id != nil {
+		_u = _u.SetPrevID(*id)
+	}
+	return _u
+}
+
+// SetPrev sets the "prev" edge to the Node entity.
+func (_u *NodeUpdate) SetPrev(v *Node) *NodeUpdate {
+	return _u.SetPrevID(v.ID)
+}
+
+// SetNextID sets the "next" edge to the Node entity by ID.
+func (_u *NodeUpdate) SetNextID(id string) *NodeUpdate {
+	_u.mutation.SetNextID(id)
+	return _u
+}
+
+// SetNillableNextID sets the "next" edge to the Node entity by ID if the given value is not nil.
+func (_u *NodeUpdate) SetNillableNextID(id *string) *NodeUpdate {
+	if id != nil {
+		_u = _u.SetNextID(*id)
+	}
+	return _u
+}
+
+// SetNext sets the "next" edge to the Node entity.
+func (_u *NodeUpdate) SetNext(v *Node) *NodeUpdate {
+	return _u.SetNextID(v.ID)
+}
+
+// Mutation returns the NodeMutation object of the builder.
+func (_u *NodeUpdate) Mutation() *NodeMutation {
+	return _u.mutation
+}
+
+// ClearPrev clears the "prev" edge to the Node entity.
+func (_u *NodeUpdate) ClearPrev() *NodeUpdate {
+	_u.mutation.ClearPrev()
+	return _u
+}
+
+// ClearNext clears the "next" edge to the Node entity.
+func (_u *NodeUpdate) ClearNext() *NodeUpdate {
+	_u.mutation.ClearNext()
+	return _u
+}
+
+// Save executes the query and returns the number of nodes affected by the update operation.
+func (_u *NodeUpdate) Save(ctx context.Context) (int, error) {
+	_u.defaults()
+	return withHooks(ctx, _u.gremlinSave, _u.mutation, _u.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_u *NodeUpdate) SaveX(ctx context.Context) int {
+	affected, err := _u.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return affected
+}
+
+// Exec executes the query.
+func (_u *NodeUpdate) Exec(ctx context.Context) error {
+	_, err := _u.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_u *NodeUpdate) ExecX(ctx context.Context) {
+	if err := _u.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (_u *NodeUpdate) defaults() {
+	if _, ok := _u.mutation.UpdatedAt(); !ok && !_u.mutation.UpdatedAtCleared() {
+		v := node.UpdateDefaultUpdatedAt()
+		_u.mutation.SetUpdatedAt(v)
+	}
+}
+
+func (_u *NodeUpdate) gremlinSave(ctx context.Context) (int, error) {
+	res := &gremlin.Response{}
+	query, bindings := _u.gremlin().Query()
+	if err := _u.driver.Exec(ctx, query, bindings, res); err != nil {
+		return 0, err
+	}
+	if err, ok := isConstantError(res); ok {
+		return 0, err
+	}
+	_u.mutation.done = true
+	return res.ReadInt()
+}
+
+func (_u *NodeUpdate) gremlin() *dsl.Traversal {
+	type constraint struct {
+		pred *dsl.Traversal // constraint predicate.
+		test *dsl.Traversal // test matches and its constant.
+	}
+	constraints := make([]*constraint, 0, 2)
+	v := g.V().HasLabel(node.Label)
+	for _, p := range _u.mutation.Predicates() {
+		p(v)
+	}
+	var (
+		rv = v.Clone()
+		_  = rv
+
+		trs []*dsl.Traversal
+	)
+	if value, ok := _u.mutation.Value(); ok {
+		v.Property(dsl.Single, node.FieldValue, value)
+	}
+	if value, ok := _u.mutation.AddedValue(); ok {
+		v.Property(dsl.Single, node.FieldValue, __.Union(__.Values(node.FieldValue), __.Constant(value)).Sum())
+	}
+	if value, ok := _u.mutation.UpdatedAt(); ok {
+		v.Property(dsl.Single, node.FieldUpdatedAt, value)
+	}
+	var properties []any
+	if _u.mutation.ValueCleared() {
+		properties = append(properties, node.FieldValue)
+	}
+	if _u.mutation.UpdatedAtCleared() {
+		properties = append(properties, node.FieldUpdatedAt)
+	}
+	if len(properties) > 0 {
+		v.SideEffect(__.Properties(properties...).Drop())
+	}
+	if _u.mutation.PrevCleared() {
+		tr := rv.Clone().InE(node.NextLabel).Drop().Iterate()
+		trs = append(trs, tr)
+	}
+	for _, id := range _u.mutation.PrevIDs() {
+		v.AddE(node.NextLabel).From(g.V(id)).InV()
+		constraints = append(constraints, &constraint{
+			pred: g.E().HasLabel(node.NextLabel).OutV().HasID(id).Count(),
+			test: __.Is(p.NEQ(0)).Constant(NewErrUniqueEdge(node.Label, node.NextLabel, id)),
+		})
+	}
+	if _u.mutation.NextCleared() {
+		tr := rv.Clone().OutE(node.NextLabel).Drop().Iterate()
+		trs = append(trs, tr)
+	}
+	for _, id := range _u.mutation.NextIDs() {
+		v.AddE(node.NextLabel).To(g.V(id)).OutV()
+		constraints = append(constraints, &constraint{
+			pred: g.E().HasLabel(node.NextLabel).InV().HasID(id).Count(),
+			test: __.Is(p.NEQ(0)).Constant(NewErrUniqueEdge(node.Label, node.NextLabel, id)),
+		})
+	}
+	v.Count()
+	if len(constraints) > 0 {
+		constraints = append(constraints, &constraint{
+			pred: rv.Count(),
+			test: __.Is(p.GT(1)).Constant(&ConstraintError{msg: "update traversal contains more than one vertex"}),
+		})
+		v = constraints[0].pred.Coalesce(constraints[0].test, v)
+		for _, cr := range constraints[1:] {
+			v = cr.pred.Coalesce(cr.test, v)
+		}
+	}
+	trs = append(trs, v)
+	return dsl.Join(trs...)
+}
+
+// NodeUpdateOne is the builder for updating a single Node entity.
+type NodeUpdateOne struct {
+	config
+	fields   []string
+	hooks    []Hook
+	mutation *NodeMutation
+}
+
+// SetValue sets the "value" field.
+func (_u *NodeUpdateOne) SetValue(v int) *NodeUpdateOne {
+	_u.mutation.ResetValue()
+	_u.mutation.SetValue(v)
+	return _u
+}
+
+// SetNillableValue sets the "value" field if the given value is not nil.
+func (_u *NodeUpdateOne) SetNillableValue(v *int) *NodeUpdateOne {
+	if v != nil {
+		_u.SetValue(*v)
+	}
+	return _u
+}
+
+// AddValue adds value to the "value" field.
+func (_u *NodeUpdateOne) AddValue(v int) *NodeUpdateOne {
+	_u.mutation.AddValue(v)
+	return _u
+}
+
+// ClearValue clears the value of the "value" field.
+func (_u *NodeUpdateOne) ClearValue() *NodeUpdateOne {
+	_u.mutation.ClearValue()
+	return _u
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (_u *NodeUpdateOne) SetUpdatedAt(v time.Time) *NodeUpdateOne {
+	_u.mutation.SetUpdatedAt(v)
+	return _u
+}
+
+// ClearUpdatedAt clears the value of the "updated_at" field.
+func (_u *NodeUpdateOne) ClearUpdatedAt() *NodeUpdateOne {
+	_u.mutation.ClearUpdatedAt()
+	return _u
+}
+
+// SetPrevID sets the "prev" edge to the Node entity by ID.
+func (_u *NodeUpdateOne) SetPrevID(id string) *NodeUpdateOne {
+	_u.mutation.SetPrevID(id)
+	return _u
+}
+
+// SetNillablePrevID sets the "prev" edge to the Node entity by ID if the given value is not nil.
+func (_u *NodeUpdateOne) SetNillablePrevID(id *string) *NodeUpdateOne {
+	if id != nil {
+		_u = _u.SetPrevID(*id)
+	}
+	return _u
+}
+
+// SetPrev sets the "prev" edge to the Node entity.
+func (_u *NodeUpdateOne) SetPrev(v *Node) *NodeUpdateOne {
+	return _u.SetPrevID(v.ID)
+}
+
+// SetNextID sets the "next" edge to the Node entity by ID.
+func (_u *NodeUpdateOne) SetNextID(id string) *NodeUpdateOne {
+	_u.mutation.SetNextID(id)
+	return _u
+}
+
+// SetNillableNextID sets the "next" edge to the Node entity by ID if the given value is not nil.
+func (_u *NodeUpdateOne) SetNillableNextID(id *string) *NodeUpdateOne {
+	if id != nil {
+		_u = _u.SetNextID(*id)
+	}
+	return _u
+}
+
+// SetNext sets the "next" edge to the Node entity.
+func (_u *NodeUpdateOne) SetNext(v *Node) *NodeUpdateOne {
+	return _u.SetNextID(v.ID)
+}
+
+// Mutation returns the NodeMutation object of the builder.
+func (_u *NodeUpdateOne) Mutation() *NodeMutation {
+	return _u.mutation
+}
+
+// ClearPrev clears the "prev" edge to the Node entity.
+func (_u *NodeUpdateOne) ClearPrev() *NodeUpdateOne {
+	_u.mutation.ClearPrev()
+	return _u
+}
+
+// ClearNext clears the "next" edge to the Node entity.
+func (_u *NodeUpdateOne) ClearNext() *NodeUpdateOne {
+	_u.mutation.ClearNext()
+	return _u
+}
+
+// Where appends a list predicates to the NodeUpdate builder.
+func (_u *NodeUpdateOne) Where(ps ...predicate.Node) *NodeUpdateOne {
+	_u.mutation.Where(ps...)
+	return _u
+}
+
+// Select allows selecting one or more fields (columns) of the returned entity.
+// The default is selecting all fields defined in the entity schema.
+func (_u *NodeUpdateOne) Select(field string, fields ...string) *NodeUpdateOne {
+	_u.fields = append([]string{field}, fields...)
+	return _u
+}
+
+// Save executes the query and returns the updated Node entity.
+func (_u *NodeUpdateOne) Save(ctx context.Context) (*Node, error) {
+	_u.defaults()
+	return withHooks(ctx, _u.gremlinSave, _u.mutation, _u.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_u *NodeUpdateOne) SaveX(ctx context.Context) *Node {
+	node, err := _u.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// Exec executes the query on the entity.
+func (_u *NodeUpdateOne) Exec(ctx context.Context) error {
+	_, err := _u.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_u *NodeUpdateOne) ExecX(ctx context.Context) {
+	if err := _u.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (_u *NodeUpdateOne) defaults() {
+	if _, ok := _u.mutation.UpdatedAt(); !ok && !_u.mutation.UpdatedAtCleared() {
+		v := node.UpdateDefaultUpdatedAt()
+		_u.mutation.SetUpdatedAt(v)
+	}
+}
+
+func (_u *NodeUpdateOne) gremlinSave(ctx context.Context) (*Node, error) {
+	res := &gremlin.Response{}
+	id, ok := _u.mutation.ID()
+	if !ok {
+		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "Node.id" for update`)}
+	}
+	query, bindings := _u.gremlin(id).Query()
+	if err := _u.driver.Exec(ctx, query, bindings, res); err != nil {
+		return nil, err
+	}
+	if err, ok := isConstantError(res); ok {
+		return nil, err
+	}
+	_u.mutation.done = true
+	_m := &Node{config: _u.config}
+	if err := _m.FromResponse(res); err != nil {
+		return nil, err
+	}
+	return _m, nil
+}
+
+func (_u *NodeUpdateOne) gremlin(id string) *dsl.Traversal {
+	type constraint struct {
+		pred *dsl.Traversal // constraint predicate.
+		test *dsl.Traversal // test matches and its constant.
+	}
+	constraints := make([]*constraint, 0, 2)
+	v := g.V(id)
+	var (
+		rv = v.Clone()
+		_  = rv
+
+		trs []*dsl.Traversal
+	)
+	if value, ok := _u.mutation.Value(); ok {
+		v.Property(dsl.Single, node.FieldValue, value)
+	}
+	if value, ok := _u.mutation.AddedValue(); ok {
+		v.Property(dsl.Single, node.FieldValue, __.Union(__.Values(node.FieldValue), __.Constant(value)).Sum())
+	}
+	if value, ok := _u.mutation.UpdatedAt(); ok {
+		v.Property(dsl.Single, node.FieldUpdatedAt, value)
+	}
+	var properties []any
+	if _u.mutation.ValueCleared() {
+		properties = append(properties, node.FieldValue)
+	}
+	if _u.mutation.UpdatedAtCleared() {
+		properties = append(properties, node.FieldUpdatedAt)
+	}
+	if len(properties) > 0 {
+		v.SideEffect(__.Properties(properties...).Drop())
+	}
+	if _u.mutation.PrevCleared() {
+		tr := rv.Clone().InE(node.NextLabel).Drop().Iterate()
+		trs = append(trs, tr)
+	}
+	for _, id := range _u.mutation.PrevIDs() {
+		v.AddE(node.NextLabel).From(g.V(id)).InV()
+		constraints = append(constraints, &constraint{
+			pred: g.E().HasLabel(node.NextLabel).OutV().HasID(id).Count(),
+			test: __.Is(p.NEQ(0)).Constant(NewErrUniqueEdge(node.Label, node.NextLabel, id)),
+		})
+	}
+	if _u.mutation.NextCleared() {
+		tr := rv.Clone().OutE(node.NextLabel).Drop().Iterate()
+		trs = append(trs, tr)
+	}
+	for _, id := range _u.mutation.NextIDs() {
+		v.AddE(node.NextLabel).To(g.V(id)).OutV()
+		constraints = append(constraints, &constraint{
+			pred: g.E().HasLabel(node.NextLabel).InV().HasID(id).Count(),
+			test: __.Is(p.NEQ(0)).Constant(NewErrUniqueEdge(node.Label, node.NextLabel, id)),
+		})
+	}
+	if len(_u.fields) > 0 {
+		fields := make([]any, 0, len(_u.fields)+1)
+		fields = append(fields, true)
+		for _, f := range _u.fields {
+			fields = append(fields, f)
+		}
+		v.ValueMap(fields...)
+	} else {
+		v.ValueMap(true)
+	}
+	if len(constraints) > 0 {
+		v = constraints[0].pred.Coalesce(constraints[0].test, v)
+		for _, cr := range constraints[1:] {
+			v = cr.pred.Coalesce(cr.test, v)
+		}
+	}
+	trs = append(trs, v)
+	return dsl.Join(trs...)
+}