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<?php
/*
* Copyright 2016 Google LLC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
namespace Google\ApiCore;
use Google\Rpc\Code;
use Grpc\ClientStreamingCall;
/**
* ClientStream is the response object from a gRPC client streaming API call.
*/
class ClientStream
{
private $call;
/**
* ClientStream constructor.
*
* @param ClientStreamingCall $clientStreamingCall The gRPC client streaming call object
* @param array $streamingDescriptor
*/
public function __construct( // @phpstan-ignore-line
ClientStreamingCall $clientStreamingCall,
array $streamingDescriptor = []
) {
$this->call = $clientStreamingCall;
}
/**
* Write request to the server.
*
* @param mixed $request The request to write
*/
public function write($request)
{
$this->call->write($request);
}
/**
* Read the response from the server, completing the streaming call.
*
* @throws ApiException
* @return mixed The response object from the server
*/
public function readResponse()
{
list($response, $status) = $this->call->wait();
if ($status->code == Code::OK) {
return $response;
} else {
throw ApiException::createFromStdClass($status);
}
}
/**
* Write all data in $dataArray and read the response from the server, completing the streaming
* call.
*
* @param mixed[] $requests An iterator of request objects to write to the server
* @return mixed The response object from the server
*/
public function writeAllAndReadResponse(array $requests)
{
foreach ($requests as $request) {
$this->write($request);
}
return $this->readResponse();
}
/**
* Return the underlying gRPC call object
*
* @return \Grpc\ClientStreamingCall|mixed
*/
public function getClientStreamingCall()
{
return $this->call;
}
}
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