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<?php
namespace Guzzle\Service\Command;
use Guzzle\Common\Collection;
use Guzzle\Common\Exception\InvalidArgumentException;
use Guzzle\Http\Message\Response;
use Guzzle\Http\Message\RequestInterface;
use Guzzle\Service\Exception\CommandException;
use Guzzle\Service\Description\OperationInterface;
use Guzzle\Service\ClientInterface;
use Guzzle\Common\ToArrayInterface;
/**
* A command object that contains parameters that can be modified and accessed like an array and turned into an array
*/
interface CommandInterface extends \ArrayAccess, ToArrayInterface
{
/**
* Get the short form name of the command
*
* @return string
*/
public function getName();
/**
* Get the API operation information about the command
*
* @return OperationInterface
*/
public function getOperation();
/**
* Execute the command and return the result
*
* @return mixed Returns the result of {@see CommandInterface::execute}
* @throws CommandException if a client has not been associated with the command
*/
public function execute();
/**
* Get the client object that will execute the command
*
* @return ClientInterface|null
*/
public function getClient();
/**
* Set the client object that will execute the command
*
* @param ClientInterface $client The client object that will execute the command
*
* @return self
*/
public function setClient(ClientInterface $client);
/**
* Get the request object associated with the command
*
* @return RequestInterface
* @throws CommandException if the command has not been executed
*/
public function getRequest();
/**
* Get the response object associated with the command
*
* @return Response
* @throws CommandException if the command has not been executed
*/
public function getResponse();
/**
* Get the result of the command
*
* @return Response By default, commands return a Response object unless overridden in a subclass
* @throws CommandException if the command has not been executed
*/
public function getResult();
/**
* Set the result of the command
*
* @param mixed $result Result to set
*
* @return self
*/
public function setResult($result);
/**
* Returns TRUE if the command has been prepared for executing
*
* @return bool
*/
public function isPrepared();
/**
* Returns TRUE if the command has been executed
*
* @return bool
*/
public function isExecuted();
/**
* Prepare the command for executing and create a request object.
*
* @return RequestInterface Returns the generated request
* @throws CommandException if a client object has not been set previously or in the prepare()
*/
public function prepare();
/**
* Get the object that manages the request headers that will be set on any outbound requests from the command
*
* @return Collection
*/
public function getRequestHeaders();
/**
* Specify a callable to execute when the command completes
*
* @param mixed $callable Callable to execute when the command completes. The callable must accept a
* {@see CommandInterface} object as the only argument.
* @return self
* @throws InvalidArgumentException
*/
public function setOnComplete($callable);
}
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