Complex classes like Client often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Client, and based on these observations, apply Extract Interface, too.
1 | <?php |
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33 | class Client implements ResourceOwner, ContainsRecordedMessages, DomainObject |
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34 | { |
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35 | use PrivateMessageRecorderCapabilities; |
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36 | |||
37 | /** |
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38 | * @var bool |
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39 | */ |
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40 | private $deleted = false; |
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41 | |||
42 | /** |
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43 | * @var UserAccountId|null |
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44 | */ |
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45 | private $ownerId = null; |
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46 | |||
47 | /** |
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48 | * @var ClientId|null |
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49 | */ |
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50 | private $clientId = null; |
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51 | |||
52 | /** |
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53 | * @var DataBag |
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54 | */ |
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55 | protected $parameters; |
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56 | |||
57 | /** |
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58 | * ClientCredentials constructor. |
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59 | */ |
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60 | private function __construct() |
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64 | |||
65 | /** |
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66 | * {@inheritdoc} |
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67 | */ |
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68 | public static function getSchema(): string |
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72 | |||
73 | /** |
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74 | * @return Client |
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75 | */ |
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76 | public static function createEmpty(): self |
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80 | |||
81 | /** |
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82 | * @param ClientId $clientId |
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83 | * @param DataBag $parameters |
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84 | * @param UserAccountId|null $ownerId |
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85 | * |
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86 | * @return Client |
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87 | */ |
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88 | public function create(ClientId $clientId, DataBag $parameters, ? UserAccountId $ownerId): self |
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100 | |||
101 | /** |
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102 | * @return ClientId |
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103 | */ |
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104 | public function getClientId(): ClientId |
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113 | |||
114 | /** |
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115 | * @return UserAccountId|null |
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116 | */ |
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117 | public function getOwnerId(): ? UserAccountId |
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121 | |||
122 | /** |
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123 | * @param UserAccountId $ownerId |
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124 | * |
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125 | * @return Client |
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126 | */ |
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127 | public function withOwnerId(UserAccountId $ownerId): self |
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140 | |||
141 | /** |
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142 | * @param DataBag $parameters |
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143 | * |
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144 | * @return Client |
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145 | */ |
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146 | public function withParameters(DataBag $parameters): self |
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155 | |||
156 | /** |
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157 | * @return Client |
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158 | */ |
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159 | public function markAsDeleted(): self |
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168 | |||
169 | /** |
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170 | * @return bool |
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171 | */ |
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172 | public function isDeleted(): bool |
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176 | |||
177 | /** |
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178 | * @param string $grant_type |
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179 | * |
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180 | * @return bool |
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181 | */ |
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182 | public function isGrantTypeAllowed(string $grant_type): bool |
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191 | |||
192 | /** |
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193 | * @param string $response_type |
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194 | * |
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195 | * @return bool |
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196 | */ |
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197 | public function isResponseTypeAllowed(string $response_type): bool |
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206 | |||
207 | /** |
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208 | * @return bool |
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209 | */ |
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210 | public function isPublic(): bool |
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214 | |||
215 | /** |
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216 | * @return string |
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217 | */ |
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218 | public function getTokenEndpointAuthenticationMethod(): string |
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226 | |||
227 | /** |
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228 | * @return int |
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229 | */ |
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230 | public function getClientCredentialsExpiresAt(): int |
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238 | |||
239 | /** |
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240 | * @return bool |
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241 | */ |
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242 | public function areClientCredentialsExpired(): bool |
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250 | |||
251 | /** |
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252 | * {@inheritdoc} |
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253 | */ |
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254 | public function getPublicId(): ResourceOwnerId |
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262 | |||
263 | /** |
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264 | * {@inheritdoc} |
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265 | */ |
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266 | public function has(string $key): bool |
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270 | |||
271 | /** |
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272 | * {@inheritdoc} |
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273 | */ |
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274 | public function get(string $key) |
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282 | |||
283 | /** |
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284 | * @return array |
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285 | */ |
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286 | public function all(): array |
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293 | |||
294 | /** |
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295 | * {@inheritdoc} |
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296 | */ |
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297 | public function jsonSerialize() |
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310 | |||
311 | /** |
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312 | * {@inheritdoc} |
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313 | */ |
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314 | public static function createFromJson(\stdClass $json): DomainObject |
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329 | |||
330 | /** |
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331 | * @param Event $event |
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332 | * |
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333 | * @return Client |
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334 | */ |
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335 | public function apply(Event $event): self |
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348 | |||
349 | /** |
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350 | * @return array |
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351 | */ |
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352 | private function getEventMap(): array |
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361 | |||
362 | /** |
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363 | * @param ClientEvent\ClientCreatedEvent $event |
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364 | * |
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365 | * @return Client |
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366 | */ |
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367 | protected function applyClientCreatedEvent(ClientEvent\ClientCreatedEvent $event): self |
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376 | |||
377 | /** |
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378 | * @param ClientEvent\ClientOwnerChangedEvent $event |
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379 | * |
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380 | * @return Client |
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381 | */ |
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382 | protected function applyClientOwnerChangedEvent(ClientEvent\ClientOwnerChangedEvent $event): self |
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389 | |||
390 | /** |
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391 | * @param ClientEvent\ClientDeletedEvent $event |
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392 | * |
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393 | * @return Client |
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394 | */ |
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395 | protected function applyClientDeletedEvent(ClientEvent\ClientDeletedEvent $event): self |
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402 | |||
403 | /** |
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404 | * @param ClientEvent\ClientParametersUpdatedEvent $event |
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405 | * |
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406 | * @return Client |
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407 | */ |
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408 | protected function applyClientParametersUpdatedEvent(ClientEvent\ClientParametersUpdatedEvent $event): self |
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415 | } |
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416 |