Create ObjectCache and start using it.
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parent
bf11f88ea7
commit
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@ -13,10 +13,10 @@ import RSParser
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import Data
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final class StatusesTable: DatabaseTable {
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var cachedStatuses = [String: ArticleStatus]()
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let name: String
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let queue: RSDatabaseQueue
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let cache = ObjectCache<ArticleStatus>(keyPathForID: \ArticleStatus.articleID)
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init(name: String, queue: RSDatabaseQueue) {
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@ -35,11 +35,11 @@ final class StatusesTable: DatabaseTable {
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articles.forEach { (oneArticle) in
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if let cachedStatus = cachedStatusForArticleID(oneArticle.articleID) {
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if let cachedStatus = cache[oneArticle.articleID] {
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oneArticle.status = cachedStatus
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}
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else if let oneArticleStatus = oneArticle.status {
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cacheStatus(oneArticleStatus)
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cache.add(oneArticleStatus)
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}
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}
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}
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@ -170,11 +170,6 @@ private extension StatusesManager {
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// MARK: Cache
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func cachedStatusForArticleID(_ articleID: String) -> ArticleStatus? {
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return cachedStatuses[articleID]
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}
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func cacheStatus(_ status: ArticleStatus) {
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cacheStatuses(Set([status]))
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@ -33,6 +33,7 @@
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84419AE71B5ABD7F00C26BB2 /* RSDatabaseQueue.m in Sources */ = {isa = PBXBuildFile; fileRef = 84419ADD1B5ABD7F00C26BB2 /* RSDatabaseQueue.m */; };
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84419B051B5ABFF700C26BB2 /* FMResultSet+RSExtras.h in Headers */ = {isa = PBXBuildFile; fileRef = 84419B031B5ABFF700C26BB2 /* FMResultSet+RSExtras.h */; settings = {ATTRIBUTES = (Public, ); }; };
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84419B061B5ABFF700C26BB2 /* FMResultSet+RSExtras.m in Sources */ = {isa = PBXBuildFile; fileRef = 84419B041B5ABFF700C26BB2 /* FMResultSet+RSExtras.m */; };
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844D97411F2D32F300CEDDEA /* ObjectCache.swift in Sources */ = {isa = PBXBuildFile; fileRef = 844D97401F2D32F300CEDDEA /* ObjectCache.swift */; };
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849BF8C61C94FB8E0071D1DA /* libsqlite3.tbd in Frameworks */ = {isa = PBXBuildFile; fileRef = 849BF8C51C94FB8E0071D1DA /* libsqlite3.tbd */; };
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84DDF1961C94FC45005E6CF5 /* FMDatabase.h in Headers */ = {isa = PBXBuildFile; fileRef = 84DDF18B1C94FC45005E6CF5 /* FMDatabase.h */; settings = {ATTRIBUTES = (Public, ); }; };
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84DDF1971C94FC45005E6CF5 /* FMDatabase.m in Sources */ = {isa = PBXBuildFile; fileRef = 84DDF18C1C94FC45005E6CF5 /* FMDatabase.m */; };
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@ -68,6 +69,7 @@
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84419ADD1B5ABD7F00C26BB2 /* RSDatabaseQueue.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = RSDatabaseQueue.m; path = RSDatabase/RSDatabaseQueue.m; sourceTree = "<group>"; };
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84419B031B5ABFF700C26BB2 /* FMResultSet+RSExtras.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = "FMResultSet+RSExtras.h"; path = "RSDatabase/FMResultSet+RSExtras.h"; sourceTree = "<group>"; };
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84419B041B5ABFF700C26BB2 /* FMResultSet+RSExtras.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = "FMResultSet+RSExtras.m"; path = "RSDatabase/FMResultSet+RSExtras.m"; sourceTree = "<group>"; };
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844D97401F2D32F300CEDDEA /* ObjectCache.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = ObjectCache.swift; path = RSDatabase/ObjectCache.swift; sourceTree = "<group>"; };
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849BF8C51C94FB8E0071D1DA /* libsqlite3.tbd */ = {isa = PBXFileReference; lastKnownFileType = "sourcecode.text-based-dylib-definition"; name = libsqlite3.tbd; path = usr/lib/libsqlite3.tbd; sourceTree = SDKROOT; };
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84DDF18B1C94FC45005E6CF5 /* FMDatabase.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = FMDatabase.h; sourceTree = "<group>"; };
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84DDF18C1C94FC45005E6CF5 /* FMDatabase.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = FMDatabase.m; sourceTree = "<group>"; };
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@ -154,6 +156,7 @@
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84419AD81B5ABD7400C26BB2 /* NSString+RSDatabase.h */,
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84419AD91B5ABD7400C26BB2 /* NSString+RSDatabase.m */,
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840405DA1F1C158C00DF0296 /* DatabaseTable.swift */,
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844D97401F2D32F300CEDDEA /* ObjectCache.swift */,
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84DDF18A1C94FC45005E6CF5 /* FMDB */,
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84F22C5A1B52E0D9000060CE /* Info.plist */,
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849BF8C51C94FB8E0071D1DA /* libsqlite3.tbd */,
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@ -368,6 +371,7 @@
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84DDF1A01C94FC45005E6CF5 /* FMResultSet.m in Sources */,
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84419B061B5ABFF700C26BB2 /* FMResultSet+RSExtras.m in Sources */,
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84DDF1991C94FC45005E6CF5 /* FMDatabaseAdditions.m in Sources */,
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844D97411F2D32F300CEDDEA /* ObjectCache.swift in Sources */,
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);
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runOnlyForDeploymentPostprocessing = 0;
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};
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@ -0,0 +1,59 @@
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//
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// ObjectCache.swift
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// RSDatabase
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//
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// Created by Brent Simmons on 7/29/17.
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// Copyright © 2017 Ranchero Software, LLC. All rights reserved.
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//
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import Foundation
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public final class ObjectCache<T> {
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private let keyPathForID: KeyPath<T,String>
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private var dictionary = [String: T]()
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public init(keyPathForID: KeyPath<T,String>) {
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self.keyPathForID = keyPathForID
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}
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public func addObjects(_ objects: [T]) {
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objects.forEach { addObject($0) }
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}
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public func add(_ object: T) {
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let identifier = identifierForObject(object)
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self[identifier] = object
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}
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public func removeObjects(_ objects: [T]) {
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objects.forEach { removeObject($0) }
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}
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public func removeObject(_ object: T) {
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let identifier = identifierForObject(object)
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self[identifier] = nil
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}
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public subscript(_ identifier: String) -> T? {
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get {
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return dictionary[identifier]
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}
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set {
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dictionary[identifier] = T
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}
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}
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}
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private extension ObjectCache {
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func identifierForObject(_ object: T) -> String {
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return object[keyPath: keyPathForID]
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}
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}
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