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Merge NeedleFoundationExtension into NeedleFoundation
As part of the effort to simplify the dependency tree of Needle, NeedleFoundationExtension base classes are merged into NeedleFoundation. Also removed unnecessary targets and schemes.
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69
...dation/Sources/NeedleFoundation/Pluginized/Internal/PluginExtensionProviderRegistry.swift
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| // | ||
| // Copyright (c) 2018. Uber Technologies | ||
| // | ||
| // 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 COITIONS OF ANY KI, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
|
|
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| import Foundation | ||
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| /// Needle internal registry of plugin extension providers. | ||
| /// - note: This class is only needed until Swift supports extensions | ||
| /// overriding methods. This is an internal class to the Needle dependency | ||
| /// injection framework. Application code should never use this class. | ||
| // TODO: Remove this once Swift supports extension overriding methods. | ||
| // Once that happens, we can declare an `open createPluginExtensionProvider` | ||
| // method in the base pluginized component class. Generate extensions to | ||
| // all the pluginized component subclasses that override the method to | ||
| // instantiate the dependnecy providers. | ||
| public class __PluginExtensionProviderRegistry { | ||
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| /// The singleton instance. | ||
| public static let instance = __PluginExtensionProviderRegistry() | ||
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| /// Register the given factory closure with given key. | ||
| /// | ||
| /// - note: This method is thread-safe. | ||
| /// - parameter componentPath: The dependency graph path of the component | ||
| /// the provider is for. | ||
| /// - parameter pluginExtensionProviderFactory: The closure that takes in | ||
| /// a component to be injected and returns a provider instance that conforms | ||
| /// to the component's plugin extensions protocol. | ||
| public func registerPluginExtensionProviderFactory(`for` componentPath: String, _ pluginExtensionProviderFactory: @escaping (PluginizedComponentType) -> AnyObject) { | ||
| // Lock on `providerFactories` access. | ||
| lock.lock() | ||
| defer { | ||
| lock.unlock() | ||
| } | ||
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| providerFactories[componentPath.hashValue] = pluginExtensionProviderFactory | ||
| } | ||
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| func pluginExtensionProvider(`for` component: PluginizedComponentType) -> AnyObject { | ||
| // Lock on `providerFactories` access. | ||
| lock.lock() | ||
| defer { | ||
| lock.unlock() | ||
| } | ||
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| if let factory = providerFactories[component.path.hashValue] { | ||
| return factory(component) | ||
| } else { | ||
| fatalError("Missing plugin extension provider factory for \(component.path)") | ||
| } | ||
| } | ||
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| private let lock = NSRecursiveLock() | ||
| private var providerFactories = [Int: (PluginizedComponentType) -> AnyObject]() | ||
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| private init() {} | ||
| } |
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Foundation/Sources/NeedleFoundation/Pluginized/NonCoreComponent.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| // | ||
| // Copyright (c) 2018. Uber Technologies | ||
| // | ||
| // 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. | ||
| // | ||
|
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| import Foundation | ||
|
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| /// The base protocol for a non-core component defining its lifecycle to | ||
| /// support scope activation and deactivation. | ||
| /// | ||
| /// - note: A separate protocol is used to allow `PluginizableComponent` | ||
| /// to delcare a non-core component generic without having to specify the | ||
| /// dependency protocol nested generics. | ||
| public protocol NonCoreComponentType: AnyObject { | ||
| /// Initializer. | ||
| /// | ||
| /// - parameter parent: The parent component of this component. | ||
| init(parent: ComponentType) | ||
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| /// Indicate the corresponding core scope has become active, thereby | ||
| /// activating this non-core component as well. | ||
| /// | ||
| /// - note: This method is automatically invoked when the non-core component | ||
| /// is paired with a `PluginizableComponent` that is bound to a `Router`. | ||
| /// Otherwise, this method must be explicitly invoked. | ||
| func scopeDidBecomeActive() | ||
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| /// Indicate the corresponding core scope has become inactive, thereby | ||
| /// deactivating this non-core component as well. | ||
| /// | ||
| /// - note: This method is automatically invoked when the non-core component | ||
| /// is paired with a `PluginizableComponent` that is bound to a `Router`. | ||
| /// Otherwise, this method must be explicitly invoked. | ||
| func scopeDidBecomeInactive() | ||
| } | ||
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| /// The base non-core component class. All non-core components should inherit | ||
| /// from this class. | ||
| open class NonCoreComponent<DependencyType>: Component<DependencyType>, NonCoreComponentType { | ||
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| /// Initializer. | ||
| /// | ||
| /// - parameter parent: The parent component of this component. | ||
| public required override init(parent: ComponentType) { | ||
| super.init(parent: parent) | ||
| } | ||
|
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| /// Indicate the corresponding core scope has become active, thereby | ||
| /// activating this non-core component as well. | ||
| /// | ||
| /// - note: This method is automatically invoked when the non-core component | ||
| /// is paired with a `PluginizableComponent` that is bound to a `Router`. | ||
| /// Otherwise, this method must be explicitly invoked. | ||
| open func scopeDidBecomeActive() {} | ||
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| /// Indicate the corresponding core scope has become inactive, thereby | ||
| /// deactivating this non-core component as well. | ||
| /// | ||
| /// - note: This method is automatically invoked when the non-core component | ||
| /// is paired with a `PluginizableComponent` that is bound to a `Router`. | ||
| /// Otherwise, this method must be explicitly invoked. | ||
| open func scopeDidBecomeInactive() {} | ||
| } |
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