Complex classes like DistanceMatrixRequest 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 DistanceMatrixRequest, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 22 | class DistanceMatrixRequest implements DistanceMatrixRequestInterface |
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| 23 | { |
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| 24 | /** |
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| 25 | * @var LocationInterface[] |
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| 26 | */ |
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| 27 | private $origins = []; |
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| 28 | |||
| 29 | /** |
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| 30 | * @var LocationInterface[] |
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| 31 | */ |
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| 32 | private $destinations = []; |
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| 33 | |||
| 34 | /** |
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| 35 | * @var \DateTime|null |
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| 36 | */ |
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| 37 | private $departureTime; |
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| 38 | |||
| 39 | /** |
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| 40 | * @var \DateTime|null |
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| 41 | */ |
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| 42 | private $arrivalTime; |
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| 43 | |||
| 44 | /** |
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| 45 | * @var string|null |
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| 46 | */ |
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| 47 | private $travelMode; |
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| 48 | |||
| 49 | /** |
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| 50 | * @var string|null |
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| 51 | */ |
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| 52 | private $avoid; |
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| 53 | |||
| 54 | /** |
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| 55 | * @var string|null |
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| 56 | */ |
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| 57 | private $trafficModel; |
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| 58 | |||
| 59 | /** |
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| 60 | * @var string[] |
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| 61 | */ |
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| 62 | private $transitModes = []; |
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| 63 | |||
| 64 | /** |
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| 65 | * @var string|null |
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| 66 | */ |
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| 67 | private $transitRoutingPreference; |
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| 68 | |||
| 69 | /** |
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| 70 | * @var string|null |
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| 71 | */ |
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| 72 | private $region; |
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| 73 | |||
| 74 | /** |
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| 75 | * @var string|null |
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| 76 | */ |
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| 77 | private $unitSystem; |
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| 78 | |||
| 79 | /** |
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| 80 | * @var string|null |
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| 81 | */ |
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| 82 | private $language; |
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| 83 | |||
| 84 | /** |
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| 85 | * @param LocationInterface[] $origins |
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| 86 | * @param LocationInterface[] $destinations |
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| 87 | 340 | */ |
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| 88 | public function __construct(array $origins, array $destinations) |
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| 93 | |||
| 94 | /** |
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| 95 | * @return bool |
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| 96 | 20 | */ |
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| 97 | public function hasOrigins() |
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| 101 | |||
| 102 | /** |
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| 103 | * @return LocationInterface[] |
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| 104 | 20 | */ |
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| 105 | public function getOrigins() |
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| 109 | |||
| 110 | /** |
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| 111 | * @param LocationInterface[] $origins |
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| 112 | 340 | */ |
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| 113 | public function setOrigins(array $origins) |
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| 118 | |||
| 119 | /** |
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| 120 | * @param LocationInterface[] $origins |
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| 121 | 340 | */ |
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| 122 | public function addOrigins(array $origins) |
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| 128 | |||
| 129 | /** |
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| 130 | * @param LocationInterface $origin |
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| 131 | * |
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| 132 | * @return bool |
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| 133 | 340 | */ |
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| 134 | public function hasOrigin(LocationInterface $origin) |
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| 138 | |||
| 139 | /** |
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| 140 | * @param LocationInterface $origin |
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| 141 | 340 | */ |
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| 142 | public function addOrigin(LocationInterface $origin) |
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| 148 | |||
| 149 | /** |
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| 150 | * @param LocationInterface $origin |
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| 151 | 4 | */ |
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| 152 | public function removeOrigin(LocationInterface $origin) |
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| 157 | |||
| 158 | /** |
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| 159 | * @return bool |
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| 160 | 20 | */ |
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| 161 | public function hasDestinations() |
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| 165 | |||
| 166 | /** |
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| 167 | * @return LocationInterface[] |
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| 168 | 20 | */ |
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| 169 | public function getDestinations() |
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| 173 | |||
| 174 | /** |
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| 175 | * @param LocationInterface[] $destinations |
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| 176 | 340 | */ |
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| 177 | public function setDestinations(array $destinations) |
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| 182 | |||
| 183 | /** |
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| 184 | * @param LocationInterface[] $destinations |
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| 185 | 340 | */ |
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| 186 | public function addDestinations(array $destinations) |
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| 192 | |||
| 193 | /** |
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| 194 | * @param LocationInterface $destination |
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| 195 | * |
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| 196 | * @return bool |
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| 197 | 340 | */ |
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| 198 | public function hasDestination(LocationInterface $destination) |
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| 202 | |||
| 203 | /** |
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| 204 | * @param LocationInterface $destination |
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| 205 | 340 | */ |
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| 206 | public function addDestination(LocationInterface $destination) |
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| 212 | |||
| 213 | /** |
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| 214 | * @param LocationInterface $destination |
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| 215 | 4 | */ |
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| 216 | public function removeDestination(LocationInterface $destination) |
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| 221 | |||
| 222 | /** |
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| 223 | * @return bool |
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| 224 | 224 | */ |
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| 225 | public function hasDepartureTime() |
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| 229 | |||
| 230 | /** |
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| 231 | * @return \DateTime|null |
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| 232 | 12 | */ |
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| 233 | public function getDepartureTime() |
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| 237 | |||
| 238 | /** |
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| 239 | * @param \DateTime|null $departureTime |
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| 240 | 28 | */ |
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| 241 | public function setDepartureTime(\DateTime $departureTime = null) |
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| 245 | |||
| 246 | /** |
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| 247 | * @return bool |
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| 248 | 224 | */ |
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| 249 | public function hasArrivalTime() |
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| 253 | |||
| 254 | /** |
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| 255 | * @return \DateTime|null |
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| 256 | 12 | */ |
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| 257 | public function getArrivalTime() |
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| 261 | |||
| 262 | /** |
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| 263 | * @param \DateTime|null $arrivalTime |
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| 264 | 28 | */ |
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| 265 | public function setArrivalTime(\DateTime $arrivalTime = null) |
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| 269 | |||
| 270 | /** |
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| 271 | * @return bool |
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| 272 | 224 | */ |
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| 273 | public function hasTravelMode() |
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| 277 | |||
| 278 | /** |
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| 279 | * @return string|null |
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| 280 | 12 | */ |
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| 281 | public function getTravelMode() |
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| 285 | |||
| 286 | /** |
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| 287 | * @param string|null $travelMode |
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| 288 | 28 | */ |
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| 289 | public function setTravelMode($travelMode = null) |
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| 293 | |||
| 294 | /** |
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| 295 | * @return bool |
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| 296 | 224 | */ |
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| 297 | public function hasAvoid() |
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| 301 | |||
| 302 | /** |
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| 303 | * @return string|null |
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| 304 | 12 | */ |
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| 305 | public function getAvoid() |
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| 309 | |||
| 310 | /** |
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| 311 | * @param string|null $avoid |
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| 312 | 28 | */ |
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| 313 | public function setAvoid($avoid = null) |
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| 317 | |||
| 318 | /** |
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| 319 | * @return bool |
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| 320 | 224 | */ |
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| 321 | public function hasTrafficModel() |
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| 325 | |||
| 326 | /** |
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| 327 | * @return string|null |
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| 328 | 12 | */ |
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| 329 | public function getTrafficModel() |
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| 333 | |||
| 334 | /** |
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| 335 | * @param string|null $trafficModel |
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| 336 | 12 | */ |
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| 337 | public function setTrafficModel($trafficModel) |
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| 341 | |||
| 342 | /** |
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| 343 | * @return bool |
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| 344 | 232 | */ |
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| 345 | public function hasTransitModes() |
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| 349 | |||
| 350 | /** |
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| 351 | * @return string[] |
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| 352 | 20 | */ |
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| 353 | public function getTransitModes() |
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| 357 | |||
| 358 | /** |
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| 359 | * @param string[] $transitModes |
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| 360 | 12 | */ |
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| 361 | public function setTransitModes(array $transitModes) |
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| 366 | |||
| 367 | /** |
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| 368 | * @param string[] $transitModes |
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| 369 | 12 | */ |
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| 370 | public function addTransitModes(array $transitModes) |
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| 376 | |||
| 377 | /** |
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| 378 | * @param string $transitMode |
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| 379 | * |
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| 380 | * @return bool |
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| 381 | 20 | */ |
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| 382 | public function hasTransitMode($transitMode) |
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| 386 | |||
| 387 | /** |
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| 388 | * @param string $transitMode |
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| 389 | 20 | */ |
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| 390 | public function addTransitMode($transitMode) |
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| 396 | |||
| 397 | /** |
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| 398 | * @param string $transitMode |
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| 399 | 4 | */ |
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| 400 | public function removeTransitMode($transitMode) |
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| 405 | |||
| 406 | /** |
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| 407 | * @return bool |
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| 408 | 224 | */ |
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| 409 | public function hasTransitRoutingPreference() |
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| 413 | |||
| 414 | /** |
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| 415 | * @return string|null |
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| 416 | 12 | */ |
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| 417 | public function getTransitRoutingPreference() |
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| 421 | |||
| 422 | /** |
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| 423 | * @param string|null $transitRoutingPreference |
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| 424 | 12 | */ |
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| 425 | public function setTransitRoutingPreference($transitRoutingPreference) |
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| 429 | |||
| 430 | /** |
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| 431 | * @return bool |
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| 432 | 224 | */ |
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| 433 | public function hasRegion() |
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| 437 | |||
| 438 | /** |
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| 439 | * @return string|null |
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| 440 | 12 | */ |
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| 441 | public function getRegion() |
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| 445 | |||
| 446 | /** |
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| 447 | * @param string|null $region |
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| 448 | 28 | */ |
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| 449 | public function setRegion($region = null) |
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| 453 | |||
| 454 | /** |
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| 455 | * @return bool |
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| 456 | 224 | */ |
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| 457 | public function hasUnitSystem() |
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| 461 | |||
| 462 | /** |
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| 463 | * @return string|null |
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| 464 | 12 | */ |
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| 465 | public function getUnitSystem() |
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| 469 | |||
| 470 | /** |
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| 471 | * @param string|null $unitSystem |
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| 472 | 28 | */ |
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| 473 | public function setUnitSystem($unitSystem = null) |
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| 477 | |||
| 478 | /** |
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| 479 | * @return bool |
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| 480 | 224 | */ |
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| 481 | public function hasLanguage() |
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| 485 | |||
| 486 | /** |
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| 487 | * @return string|null |
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| 488 | 12 | */ |
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| 489 | public function getLanguage() |
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| 493 | |||
| 494 | /** |
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| 495 | * @param string|null $language |
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| 496 | 28 | */ |
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| 497 | public function setLanguage($language = null) |
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| 501 | |||
| 502 | /** |
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| 503 | * {@inheritdoc} |
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| 504 | */ |
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| 505 | public function buildQuery() |
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| 564 | } |
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| 565 |