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<?php
namespace React\Stream;
use Evenement\EventEmitter;
final class CompositeStream extends EventEmitter implements DuplexStreamInterface
{
private $readable;
private $writable;
private $closed = false;
public function __construct(ReadableStreamInterface $readable, WritableStreamInterface $writable)
{
$this->readable = $readable;
$this->writable = $writable;
if (!$readable->isReadable() || !$writable->isWritable()) {
return $this->close();
}
Util::forwardEvents($this->readable, $this, array('data', 'end', 'error'));
Util::forwardEvents($this->writable, $this, array('drain', 'error', 'pipe'));
$this->readable->on('close', array($this, 'close'));
$this->writable->on('close', array($this, 'close'));
}
public function isReadable()
{
return $this->readable->isReadable();
}
public function pause()
{
$this->readable->pause();
}
public function resume()
{
if (!$this->writable->isWritable()) {
return;
}
$this->readable->resume();
}
public function pipe(WritableStreamInterface $dest, array $options = array())
{
return Util::pipe($this, $dest, $options);
}
public function isWritable()
{
return $this->writable->isWritable();
}
public function write($data)
{
return $this->writable->write($data);
}
public function end($data = null)
{
$this->readable->pause();
$this->writable->end($data);
}
public function close()
{
if ($this->closed) {
return;
}
$this->closed = true;
$this->readable->close();
$this->writable->close();
$this->emit('close');
$this->removeAllListeners();
}
}
|
