Files
ent/ent.go
Ariel Mashraki bd07c86b60 all: add license header to all go files
Summary:
Used addlicense to generate this:
 addlicense -c "Facebook Inc" -f license_header .

example was taken from: https://github.com/facebook/litho/blob/master/lib/soloader/BUCK

Reviewed By: alexsn

Differential Revision: D17070152

fbshipit-source-id: e7b91398d7f6181727be3400c1872ad5f28e38ed
2019-08-27 04:48:28 -07:00

107 lines
2.5 KiB
Go

// 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.
// Package ent is the interface between end-user schemas and entc (ent codegen).
package ent
import (
"github.com/facebookincubator/ent/schema/edge"
"github.com/facebookincubator/ent/schema/field"
"github.com/facebookincubator/ent/schema/index"
)
type (
// The Interface type describes the requirements for an exported type defined in the schema package.
// It functions as the interface between the user's schema types and codegen loader.
// Users should use the Schema type for embedding as follows:
//
// type T struct {
// ent.Schema
// }
//
Interface interface {
// Type is a dummy method, that is used in edge declaration.
//
// The Type method should be used as follows:
//
// type S struct { ent.Schema }
//
// type T struct { ent.Schema }
//
// func (T) Edges() []ent.Edge {
// return []ent.Edge{
// edge.To("S", S.Type),
// }
// }
//
Type()
// Fields returns the fields of the schema.
Fields() []Field
// Edges returns the edges of the schema.
Edges() []Edge
// Indexes returns the indexes of the schema.
Indexes() []Index
}
// A Field interface returns a field descriptor for vertex fields/properties.
// The usage for the interface is as follows:
//
// func (T) Fields() []ent.Field {
// return []ent.Field{
// field.Int("int"),
// }
// }
//
Field interface {
Descriptor() *field.Descriptor
}
// A Edge interface returns an edge descriptor for vertex edges.
// The usage for the interface is as follows:
//
// func (T) Edges() []ent.Edge {
// return []ent.Edge{
// edge.To("S", S.Type),
// }
// }
//
Edge interface {
Descriptor() *edge.Descriptor
}
// A Index interface returns an index descriptor for vertex indexes.
// The usage for the interface is as follows:
//
// func (T) Indexes() []ent.Index {
// return []ent.Index{
// index.Fields("f1", "f2").
// Unique(),
// }
// }
//
Index interface {
Descriptor() *index.Descriptor
}
// Schema is the default implementation for the schema Interface.
// It can be embedded in end-user schemas as follows:
//
// type T struct {
// ent.Schema
// }
//
Schema struct {
Interface
}
)
// Fields of the schema.
func (Schema) Fields() []Field { return nil }
// Edges of the schema.
func (Schema) Edges() []Edge { return nil }
// Indexes of the schema.
func (Schema) Indexes() []Index { return nil }