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

examples/o2orecur/ent/node_create.go

@@ -0,0 +1,258 @@
+// 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"
+	"fmt"
+
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/examples/o2orecur/ent/node"
+	"entgo.io/ent/schema/field"
+)
+
+// NodeCreate is the builder for creating a Node entity.
+type NodeCreate struct {
+	config
+	mutation *NodeMutation
+	hooks    []Hook
+}
+
+// SetValue sets the "value" field.
+func (_c *NodeCreate) SetValue(v int) *NodeCreate {
+	_c.mutation.SetValue(v)
+	return _c
+}
+
+// SetPrevID sets the "prev_id" field.
+func (_c *NodeCreate) SetPrevID(v int) *NodeCreate {
+	_c.mutation.SetPrevID(v)
+	return _c
+}
+
+// SetNillablePrevID sets the "prev_id" field if the given value is not nil.
+func (_c *NodeCreate) SetNillablePrevID(v *int) *NodeCreate {
+	if v != nil {
+		_c.SetPrevID(*v)
+	}
+	return _c
+}
+
+// SetPrev sets the "prev" edge to the Node entity.
+func (_c *NodeCreate) SetPrev(v *Node) *NodeCreate {
+	return _c.SetPrevID(v.ID)
+}
+
+// SetNextID sets the "next" edge to the Node entity by ID.
+func (_c *NodeCreate) SetNextID(id int) *NodeCreate {
+	_c.mutation.SetNextID(id)
+	return _c
+}
+
+// SetNillableNextID sets the "next" edge to the Node entity by ID if the given value is not nil.
+func (_c *NodeCreate) SetNillableNextID(id *int) *NodeCreate {
+	if id != nil {
+		_c = _c.SetNextID(*id)
+	}
+	return _c
+}
+
+// SetNext sets the "next" edge to the Node entity.
+func (_c *NodeCreate) SetNext(v *Node) *NodeCreate {
+	return _c.SetNextID(v.ID)
+}
+
+// Mutation returns the NodeMutation object of the builder.
+func (_c *NodeCreate) Mutation() *NodeMutation {
+	return _c.mutation
+}
+
+// Save creates the Node in the database.
+func (_c *NodeCreate) Save(ctx context.Context) (*Node, error) {
+	return withHooks(ctx, _c.sqlSave, _c.mutation, _c.hooks)
+}
+
+// SaveX calls Save and panics if Save returns an error.
+func (_c *NodeCreate) SaveX(ctx context.Context) *Node {
+	v, err := _c.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (_c *NodeCreate) Exec(ctx context.Context) error {
+	_, err := _c.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_c *NodeCreate) ExecX(ctx context.Context) {
+	if err := _c.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (_c *NodeCreate) check() error {
+	if _, ok := _c.mutation.Value(); !ok {
+		return &ValidationError{Name: "value", err: errors.New(`ent: missing required field "Node.value"`)}
+	}
+	return nil
+}
+
+func (_c *NodeCreate) sqlSave(ctx context.Context) (*Node, error) {
+	if err := _c.check(); err != nil {
+		return nil, err
+	}
+	_node, _spec := _c.createSpec()
+	if err := sqlgraph.CreateNode(ctx, _c.driver, _spec); err != nil {
+		if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	id := _spec.ID.Value.(int64)
+	_node.ID = int(id)
+	_c.mutation.id = &_node.ID
+	_c.mutation.done = true
+	return _node, nil
+}
+
+func (_c *NodeCreate) createSpec() (*Node, *sqlgraph.CreateSpec) {
+	var (
+		_node = &Node{config: _c.config}
+		_spec = sqlgraph.NewCreateSpec(node.Table, sqlgraph.NewFieldSpec(node.FieldID, field.TypeInt))
+	)
+	if value, ok := _c.mutation.Value(); ok {
+		_spec.SetField(node.FieldValue, field.TypeInt, value)
+		_node.Value = value
+	}
+	if nodes := _c.mutation.PrevIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2O,
+			Inverse: true,
+			Table:   node.PrevTable,
+			Columns: []string{node.PrevColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(node.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_node.PrevID = nodes[0]
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	if nodes := _c.mutation.NextIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2O,
+			Inverse: false,
+			Table:   node.NextTable,
+			Columns: []string{node.NextColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(node.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	return _node, _spec
+}
+
+// NodeCreateBulk is the builder for creating many Node entities in bulk.
+type NodeCreateBulk struct {
+	config
+	err      error
+	builders []*NodeCreate
+}
+
+// Save creates the Node entities in the database.
+func (_c *NodeCreateBulk) Save(ctx context.Context) ([]*Node, error) {
+	if _c.err != nil {
+		return nil, _c.err
+	}
+	specs := make([]*sqlgraph.CreateSpec, len(_c.builders))
+	nodes := make([]*Node, len(_c.builders))
+	mutators := make([]Mutator, len(_c.builders))
+	for i := range _c.builders {
+		func(i int, root context.Context) {
+			builder := _c.builders[i]
+			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+				mutation, ok := m.(*NodeMutation)
+				if !ok {
+					return nil, fmt.Errorf("unexpected mutation type %T", m)
+				}
+				if err := builder.check(); err != nil {
+					return nil, err
+				}
+				builder.mutation = mutation
+				var err error
+				nodes[i], specs[i] = builder.createSpec()
+				if i < len(mutators)-1 {
+					_, err = mutators[i+1].Mutate(root, _c.builders[i+1].mutation)
+				} else {
+					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
+					// Invoke the actual operation on the latest mutation in the chain.
+					if err = sqlgraph.BatchCreate(ctx, _c.driver, spec); err != nil {
+						if sqlgraph.IsConstraintError(err) {
+							err = &ConstraintError{msg: err.Error(), wrap: err}
+						}
+					}
+				}
+				if err != nil {
+					return nil, err
+				}
+				mutation.id = &nodes[i].ID
+				if specs[i].ID.Value != nil {
+					id := specs[i].ID.Value.(int64)
+					nodes[i].ID = int(id)
+				}
+				mutation.done = true
+				return nodes[i], nil
+			})
+			for i := len(builder.hooks) - 1; i >= 0; i-- {
+				mut = builder.hooks[i](mut)
+			}
+			mutators[i] = mut
+		}(i, ctx)
+	}
+	if len(mutators) > 0 {
+		if _, err := mutators[0].Mutate(ctx, _c.builders[0].mutation); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_c *NodeCreateBulk) SaveX(ctx context.Context) []*Node {
+	v, err := _c.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (_c *NodeCreateBulk) Exec(ctx context.Context) error {
+	_, err := _c.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_c *NodeCreateBulk) ExecX(ctx context.Context) {
+	if err := _c.Exec(ctx); err != nil {
+		panic(err)
+	}
+}