You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.6 KiB
82 lines
2.6 KiB
////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright 2014 Realm Inc.
|
|
//
|
|
// 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
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////
|
|
|
|
import Foundation
|
|
import Realm
|
|
|
|
/**
|
|
This class represents Realm model object schemas.
|
|
|
|
When using Realm, `ObjectSchema` instances allow performing migrations and introspecting the database's schema.
|
|
|
|
Object schemas map to tables in the core database.
|
|
*/
|
|
public struct ObjectSchema: CustomStringConvertible {
|
|
|
|
// MARK: Properties
|
|
|
|
internal let rlmObjectSchema: RLMObjectSchema
|
|
|
|
/**
|
|
An array of `Property` instances representing the managed properties of a class described by the schema.
|
|
|
|
- see: `Property`
|
|
*/
|
|
public var properties: [Property] {
|
|
return rlmObjectSchema.properties.map { Property($0) }
|
|
}
|
|
|
|
/// The name of the class the schema describes.
|
|
public var className: String { return rlmObjectSchema.className }
|
|
|
|
/// The property which serves as the primary key for the class the schema describes, if any.
|
|
public var primaryKeyProperty: Property? {
|
|
if let rlmProperty = rlmObjectSchema.primaryKeyProperty {
|
|
return Property(rlmProperty)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
/// A human-readable description of the properties contained in the object schema.
|
|
public var description: String { return rlmObjectSchema.description }
|
|
|
|
// MARK: Initializers
|
|
|
|
internal init(_ rlmObjectSchema: RLMObjectSchema) {
|
|
self.rlmObjectSchema = rlmObjectSchema
|
|
}
|
|
|
|
// MARK: Property Retrieval
|
|
|
|
/// Returns the property with the given name, if it exists.
|
|
public subscript(propertyName: String) -> Property? {
|
|
if let rlmProperty = rlmObjectSchema[propertyName] {
|
|
return Property(rlmProperty)
|
|
}
|
|
return nil
|
|
}
|
|
}
|
|
|
|
// MARK: Equatable
|
|
|
|
extension ObjectSchema: Equatable {
|
|
/// Returns whether the two object schemas are equal.
|
|
public static func == (lhs: ObjectSchema, rhs: ObjectSchema) -> Bool {
|
|
return lhs.rlmObjectSchema.isEqual(to: rhs.rlmObjectSchema)
|
|
}
|
|
}
|
|
|