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<?php
/*
*
* Copyright 2015, Google Inc.
* 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 Grpc;
/**
* Represents an active call that sends a single message and then gets a single
* response.
*/
class UnaryCall extends AbstractCall {
/**
* Start the call
* @param $arg The argument to send
* @param array $metadata Metadata to send with the call, if applicable
*/
public function start($arg, $metadata = array()) {
$event = $this->call->startBatch([
OP_SEND_INITIAL_METADATA => $metadata,
OP_RECV_INITIAL_METADATA => true,
OP_SEND_MESSAGE => $arg->serialize(),
OP_SEND_CLOSE_FROM_CLIENT => true]);
$this->metadata = $event->metadata;
}
/**
* Wait for the server to respond with data and a status
* @return [response data, status]
*/
public function wait() {
$event = $this->call->startBatch([
OP_RECV_MESSAGE => true,
OP_RECV_STATUS_ON_CLIENT => true]);
return array($this->deserializeResponse($event->message), $event->status);
}
}
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