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<?php |
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|
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/* |
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* Copyright 2016 Google LLC |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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namespace Dudlewebs\WPMCS\Google\ApiCore; |
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|
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use Dudlewebs\WPMCS\Google\Rpc\Code; |
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/** |
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* ServerStream is the response object from a server streaming API call. |
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*/ |
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class ServerStream |
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{ |
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private $call; |
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private $resourcesGetMethod; |
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/** |
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* ServerStream constructor. |
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* |
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* @param ServerStreamingCallInterface $serverStreamingCall The server streaming call object |
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* @param array $streamingDescriptor |
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*/ |
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public function __construct($serverStreamingCall, array $streamingDescriptor = []) |
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{ |
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$this->call = $serverStreamingCall; |
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if (array_key_exists('resourcesGetMethod', $streamingDescriptor)) { |
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$this->resourcesGetMethod = $streamingDescriptor['resourcesGetMethod']; |
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} |
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} |
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/** |
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* A generator which yields results from the server until the streaming call |
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* completes. Throws an ApiException if the streaming call failed. |
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* |
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* @throws ApiException |
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* @return \Generator|mixed |
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*/ |
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public function readAll() |
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{ |
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$resourcesGetMethod = $this->resourcesGetMethod; |
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if (!is_null($resourcesGetMethod)) { |
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foreach ($this->call->responses() as $response) { |
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foreach ($response->{$resourcesGetMethod}() as $resource) { |
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yield $resource; |
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} |
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} |
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} else { |
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foreach ($this->call->responses() as $response) { |
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yield $response; |
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} |
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} |
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// Errors in the REST transport will be thrown from there and not reach |
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// this handling. Successful REST server-streams will have an OK status. |
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$status = $this->call->getStatus(); |
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if ($status->code !== Code::OK) { |
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throw ApiException::createFromStdClass($status); |
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} |
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} |
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/** |
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* Return the underlying call object. |
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* |
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* @return ServerStreamingCallInterface |
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*/ |
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public function getServerStreamingCall() |
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{ |
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return $this->call; |
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} |
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} |
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