Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
1 | <?php |
||
30 | class Queue |
||
31 | { |
||
32 | private $queueName; |
||
33 | private $client; |
||
34 | |||
35 | // boolean, whether the message body will be encoded in base64 |
||
36 | private $base64; |
||
37 | |||
38 | public function __construct(HttpClient $client, $queueName, $base64 = TRUE) |
||
39 | { |
||
40 | $this->queueName = $queueName; |
||
41 | $this->client = $client; |
||
42 | $this->base64 = $base64; |
||
43 | } |
||
44 | |||
45 | public function setBase64($base64) |
||
46 | { |
||
47 | $this->base64 = $base64; |
||
48 | } |
||
49 | |||
50 | public function isBase64() |
||
51 | { |
||
52 | return ($this->base64 == TRUE); |
||
53 | } |
||
54 | |||
55 | public function getQueueName() |
||
56 | { |
||
57 | return $this->queueName; |
||
58 | } |
||
59 | |||
60 | /** |
||
61 | * Set the QueueAttributes, detail API sepcs: |
||
62 | * https://docs.aliyun.com/?spm=#/pub/mns/api_reference/api_spec&queue_operation |
||
63 | * |
||
64 | * @param QueueAttributes $attributes: the QueueAttributes to set |
||
65 | * |
||
66 | * @return SetQueueAttributeResponse: the response |
||
67 | * |
||
68 | * @throws QueueNotExistException if queue does not exist |
||
69 | * @throws InvalidArgumentException if any argument value is invalid |
||
70 | * @throws MnsException if any other exception happends |
||
71 | */ |
||
72 | public function setAttribute(QueueAttributes $attributes) |
||
73 | { |
||
74 | $request = new SetQueueAttributeRequest($this->queueName, $attributes); |
||
75 | $response = new SetQueueAttributeResponse(); |
||
76 | return $this->client->sendRequest($request, $response); |
||
77 | } |
||
78 | |||
79 | public function setAttributeAsync(QueueAttributes $attributes, |
||
80 | AsyncCallback $callback = NULL) |
||
81 | { |
||
82 | $request = new SetQueueAttributeRequest($this->queueName, $attributes); |
||
83 | $response = new SetQueueAttributeResponse(); |
||
84 | return $this->client->sendRequestAsync($request, $response, $callback); |
||
85 | } |
||
86 | |||
87 | /** |
||
88 | * Get the QueueAttributes, detail API sepcs: |
||
89 | * https://docs.aliyun.com/?spm=#/pub/mns/api_reference/api_spec&queue_operation |
||
90 | * |
||
91 | * @return GetQueueAttributeResponse: containing the attributes |
||
92 | * |
||
93 | * @throws QueueNotExistException if queue does not exist |
||
94 | * @throws MnsException if any other exception happends |
||
95 | */ |
||
96 | public function getAttribute() |
||
97 | { |
||
98 | $request = new GetQueueAttributeRequest($this->queueName); |
||
99 | $response = new GetQueueAttributeResponse(); |
||
100 | return $this->client->sendRequest($request, $response); |
||
101 | } |
||
102 | |||
103 | public function getAttributeAsync(AsyncCallback $callback = NULL) |
||
104 | { |
||
105 | $request = new GetQueueAttributeRequest($this->queueName); |
||
106 | $response = new GetQueueAttributeResponse(); |
||
107 | return $this->client->sendRequestAsync($request, $response, $callback); |
||
108 | } |
||
109 | |||
110 | /** |
||
111 | * SendMessage, the messageBody will be automatically encoded in base64 |
||
112 | * If you do not need the message body to be encoded in Base64, |
||
113 | * please specify the $base64 = FALSE in Queue |
||
114 | * |
||
115 | * detail API sepcs: |
||
116 | * https://docs.aliyun.com/?spm=#/pub/mns/api_reference/api_spec&message_operation |
||
117 | * |
||
118 | * @param SendMessageRequest: containing the message body and properties |
||
119 | * |
||
120 | * @return SendMessageResponse: containing the messageId and bodyMD5 |
||
121 | * |
||
122 | * @throws QueueNotExistException if queue does not exist |
||
123 | * @throws InvalidArgumentException if any argument value is invalid |
||
124 | * @throws MalformedXMLException if any error in xml |
||
125 | * @throws MnsException if any other exception happends |
||
126 | */ |
||
127 | public function sendMessage(SendMessageRequest $request) |
||
128 | { |
||
129 | $request->setQueueName($this->queueName); |
||
130 | $request->setBase64($this->base64); |
||
131 | $response = new SendMessageResponse(); |
||
132 | return $this->client->sendRequest($request, $response); |
||
133 | } |
||
134 | |||
135 | public function sendMessageAsync(SendMessageRequest $request, |
||
136 | AsyncCallback $callback = NULL) |
||
137 | { |
||
138 | $request->setQueueName($this->queueName); |
||
139 | $request->setBase64($this->base64); |
||
140 | $response = new SendMessageResponse(); |
||
141 | return $this->client->sendRequestAsync($request, $response, $callback); |
||
142 | } |
||
143 | |||
144 | /** |
||
145 | * PeekMessage, the messageBody will be automatically decoded as base64 if the $base64 in Queue is TRUE |
||
146 | * |
||
147 | * detail API sepcs: |
||
148 | * https://docs.aliyun.com/?spm=#/pub/mns/api_reference/api_spec&message_operation |
||
149 | * |
||
150 | * @return PeekMessageResponse: containing the messageBody and properties |
||
151 | * |
||
152 | * @throws QueueNotExistException if queue does not exist |
||
153 | * @throws MessageNotExistException if no message exists in the queue |
||
154 | * @throws MnsException if any other exception happends |
||
155 | */ |
||
156 | public function peekMessage() |
||
157 | { |
||
158 | $request = new PeekMessageRequest($this->queueName); |
||
159 | $response = new PeekMessageResponse($this->base64); |
||
160 | return $this->client->sendRequest($request, $response); |
||
161 | } |
||
162 | |||
163 | public function peekMessageAsync(AsyncCallback $callback = NULL) |
||
164 | { |
||
165 | $request = new PeekMessageRequest($this->queueName); |
||
166 | $response = new PeekMessageResponse($this->base64); |
||
167 | return $this->client->sendRequestAsync($request, $response, $callback); |
||
168 | } |
||
169 | |||
170 | /** |
||
171 | * ReceiveMessage, the messageBody will be automatically decoded as base64 if $base64 = TRUE in Queue |
||
172 | * detail API sepcs: |
||
173 | * https://docs.aliyun.com/?spm=#/pub/mns/api_reference/api_spec&message_operation |
||
174 | * |
||
175 | * @return ReceiveMessageResponse: containing the messageBody and properties |
||
176 | * the response is same as PeekMessageResponse, |
||
177 | * except that the receiptHandle is also returned in receiveMessage |
||
178 | * |
||
179 | * @throws QueueNotExistException if queue does not exist |
||
180 | * @throws MessageNotExistException if no message exists in the queue |
||
181 | * @throws MnsException if any other exception happends |
||
182 | */ |
||
183 | public function receiveMessage() |
||
184 | { |
||
185 | $request = new ReceiveMessageRequest($this->queueName); |
||
186 | $response = new ReceiveMessageResponse($this->base64); |
||
187 | return $this->client->sendRequest($request, $response); |
||
188 | } |
||
189 | |||
190 | public function receiveMessageAsync(AsyncCallback $callback = NULL) |
||
191 | { |
||
192 | $request = new ReceiveMessageRequest($this->queueName); |
||
193 | $response = new ReceiveMessageResponse($this->base64); |
||
194 | return $this->client->sendRequestAsync($request, $response, $callback); |
||
195 | } |
||
196 | |||
197 | /** |
||
198 | * DeleteMessage |
||
199 | * detail API sepcs: |
||
200 | * https://docs.aliyun.com/?spm=#/pub/mns/api_reference/api_spec&message_operation |
||
201 | * |
||
202 | * @param $receiptHandle: the receiptHandle returned from receiveMessage |
||
203 | * |
||
204 | * @return ReceiveMessageResponse |
||
205 | * |
||
206 | * @throws QueueNotExistException if queue does not exist |
||
207 | * @throws InvalidArgumentException if the argument is invalid |
||
208 | * @throws ReceiptHandleErrorException if the $receiptHandle is invalid |
||
209 | * @throws MnsException if any other exception happends |
||
210 | */ |
||
211 | public function deleteMessage($receiptHandle) |
||
212 | { |
||
213 | $request = new DeleteMessageRequest($this->queueName, $receiptHandle); |
||
214 | $response = new DeleteMessageResponse(); |
||
215 | return $this->client->sendRequest($request, $response); |
||
216 | } |
||
217 | |||
218 | public function deleteMessageAsync($receiptHandle, |
||
219 | AsyncCallback $callback = NULL) |
||
220 | { |
||
221 | $request = new DeleteMessageRequest($this->queueName, $receiptHandle); |
||
222 | $response = new DeleteMessageResponse(); |
||
223 | return $this->client->sendRequestAsync($request, $response, $callback); |
||
224 | } |
||
225 | |||
226 | /** |
||
227 | * ChangeMessageVisibility, set the nextVisibleTime for the message |
||
228 | * detail API sepcs: |
||
229 | * https://docs.aliyun.com/?spm=#/pub/mns/api_reference/api_spec&message_operation |
||
230 | * |
||
231 | * @param $receiptHandle: the receiptHandle returned from receiveMessage |
||
232 | * |
||
233 | * @return ChangeMessageVisibilityResponse |
||
234 | * |
||
235 | * @throws QueueNotExistException if queue does not exist |
||
236 | * @throws MessageNotExistException if the message does not exist |
||
237 | * @throws InvalidArgumentException if the argument is invalid |
||
238 | * @throws ReceiptHandleErrorException if the $receiptHandle is invalid |
||
239 | * @throws MnsException if any other exception happends |
||
240 | */ |
||
241 | public function changeMessageVisibility($receiptHandle, $visibilityTimeout) |
||
242 | { |
||
243 | $request = new ChangeMessageVisibilityRequest($this->queueName, $receiptHandle, $visibilityTimeout); |
||
244 | $response = new ChangeMessageVisibilityResponse(); |
||
245 | return $this->client->sendRequest($request, $response); |
||
246 | } |
||
247 | |||
248 | /** |
||
249 | * BatchSendMessage, message body will be automatically encoded in base64 |
||
250 | * If you do not need the message body to be encoded in Base64, |
||
251 | * please specify the $base64 = FALSE in Queue |
||
252 | * |
||
253 | * detail API sepcs: |
||
254 | * https://docs.aliyun.com/?spm=#/pub/mns/api_reference/api_spec&message_operation |
||
255 | * |
||
256 | * @param BatchSendMessageRequest: |
||
257 | * the requests containing an array of SendMessageRequestItems |
||
258 | * |
||
259 | * @return BatchSendMessageResponse |
||
260 | * |
||
261 | * @throws QueueNotExistException if queue does not exist |
||
262 | * @throws MalformedXMLException if any error in the xml |
||
263 | * @throws InvalidArgumentException if the argument is invalid |
||
264 | * @throws BatchSendFailException if some messages are not sent |
||
265 | * @throws MnsException if any other exception happends |
||
266 | */ |
||
267 | public function batchSendMessage(BatchSendMessageRequest $request) |
||
268 | { |
||
269 | $request->setQueueName($this->queueName); |
||
270 | $request->setBase64($this->base64); |
||
271 | $response = new BatchSendMessageResponse(); |
||
272 | return $this->client->sendRequest($request, $response); |
||
273 | } |
||
274 | |||
275 | public function batchSendMessageAsync(BatchSendMessageRequest $request, |
||
276 | AsyncCallback $callback = NULL) |
||
277 | { |
||
278 | $request->setQueueName($this->queueName); |
||
279 | $request->setBase64($this->base64); |
||
280 | $response = new BatchSendMessageResponse(); |
||
281 | return $this->client->sendRequestAsync($request, $response, $callback); |
||
282 | } |
||
283 | |||
284 | /** |
||
285 | * BatchReceiveMessage, message body will be automatically decoded as base64 if $base64 = TRUE in Queue |
||
286 | * |
||
287 | * detail API sepcs: |
||
288 | * https://docs.aliyun.com/?spm=#/pub/mns/api_reference/api_spec&message_operation |
||
289 | * |
||
290 | * @param BatchReceiveMessageRequest: |
||
291 | * containing numOfMessages and waitSeconds |
||
292 | * |
||
293 | * @return BatchReceiveMessageResponse: |
||
294 | * the received messages |
||
295 | * |
||
296 | * @throws QueueNotExistException if queue does not exist |
||
297 | * @throws MessageNotExistException if no message exists |
||
298 | * @throws MnsException if any other exception happends |
||
299 | */ |
||
300 | public function batchReceiveMessage(BatchReceiveMessageRequest $request) |
||
301 | { |
||
302 | $request->setQueueName($this->queueName); |
||
303 | $response = new BatchReceiveMessageResponse($this->base64); |
||
304 | return $this->client->sendRequest($request, $response); |
||
305 | } |
||
306 | |||
307 | public function batchReceiveMessageAsync(BatchReceiveMessageRequest $request, AsyncCallback $callback = NULL) |
||
308 | { |
||
309 | $request->setQueueName($this->queueName); |
||
310 | $response = new BatchReceiveMessageResponse($this->base64); |
||
311 | return $this->client->sendRequestAsync($request, $response, $callback); |
||
312 | } |
||
313 | |||
314 | /** |
||
315 | * BatchPeekMessage, message body will be automatically decoded as base64 is $base64 = TRUE in Queue |
||
316 | * |
||
317 | * detail API sepcs: |
||
318 | * https://docs.aliyun.com/?spm=#/pub/mns/api_reference/api_spec&message_operation |
||
319 | * |
||
320 | * @param BatchPeekMessageRequest: |
||
321 | * containing numOfMessages and waitSeconds |
||
322 | * |
||
323 | * @return BatchPeekMessageResponse: |
||
324 | * the received messages |
||
325 | * |
||
326 | * @throws QueueNotExistException if queue does not exist |
||
327 | * @throws MessageNotExistException if no message exists |
||
328 | * @throws MnsException if any other exception happends |
||
329 | */ |
||
330 | public function batchPeekMessage($numOfMessages) |
||
331 | { |
||
332 | $request = new BatchPeekMessageRequest($this->queueName, $numOfMessages); |
||
333 | $response = new BatchPeekMessageResponse($this->base64); |
||
334 | return $this->client->sendRequest($request, $response); |
||
335 | } |
||
336 | |||
337 | public function batchPeekMessageAsync($numOfMessages, AsyncCallback $callback = NULL) |
||
338 | { |
||
339 | $request = new BatchPeekMessageRequest($this->queueName, $numOfMessages); |
||
340 | $response = new BatchPeekMessageResponse($this->base64); |
||
341 | return $this->client->sendRequestAsync($request, $response, $callback); |
||
342 | } |
||
343 | |||
344 | /** |
||
345 | * BatchDeleteMessage |
||
346 | * detail API sepcs: |
||
347 | * https://docs.aliyun.com/?spm=#/pub/mns/api_reference/api_spec&message_operation |
||
348 | * |
||
349 | * @param $receiptHandles: |
||
350 | * array of $receiptHandle, which is got from receiveMessage |
||
351 | * |
||
352 | * @return BatchDeleteMessageResponse |
||
353 | * |
||
354 | * @throws QueueNotExistException if queue does not exist |
||
355 | * @throws ReceiptHandleErrorException if the receiptHandle is invalid |
||
356 | * @throws InvalidArgumentException if the argument is invalid |
||
357 | * @throws BatchDeleteFailException if any message not deleted |
||
358 | * @throws MnsException if any other exception happends |
||
359 | */ |
||
360 | public function batchDeleteMessage($receiptHandles) |
||
361 | { |
||
362 | $request = new BatchDeleteMessageRequest($this->queueName, $receiptHandles); |
||
363 | $response = new BatchDeleteMessageResponse(); |
||
364 | return $this->client->sendRequest($request, $response); |
||
365 | } |
||
366 | |||
367 | public function batchDeleteMessageAsync($receiptHandles, AsyncCallback $callback = NULL) |
||
368 | { |
||
369 | $request = new BatchDeleteMessageRequest($this->queueName, $receiptHandles); |
||
370 | $response = new BatchDeleteMessageResponse(); |
||
371 | return $this->client->sendRequestAsync($request, $response, $callback); |
||
372 | } |
||
373 | } |
||
374 | |||
376 |