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GrapherHook: Rework hook

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refs #6932
This commit is contained in:
Marius Hein 2014-09-04 13:31:04 +02:00
parent f8b3ffb3c8
commit c8eaf66823
1 changed files with 43 additions and 61 deletions
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104
library/Icinga/Web/Hook/GrapherHook.php
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@ -5,26 +5,30 @@
namespace Icinga\Web\Hook; namespace Icinga\Web\Hook;
use Icinga\Exception\ProgrammingError; use Icinga\Exception\ProgrammingError;
use Icinga\Module\Monitoring\Object\MonitoredObject;
/** /**
* Icinga Web Grapher Hook base class * Icinga Web Grapher Hook base class
* *
* Extend this class if you want to integrate your graphing solution nicely into * Extend this class if you want to integrate your graphing solution nicely into
* Icinga Web * Icinga Web.
*
* @copyright Copyright (c) 2013 Icinga-Web Team <info@icinga.org>
* @author Icinga-Web Team <info@icinga.org>
* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License
*/ */
abstract class GrapherHook abstract class GrapherHook extends WebBaseHook
{ {
/** /**
* Whether this grapher provides preview images * Whether this grapher provides previews
* *
* @var bool * @var bool
*/ */
protected $hasPreviews = false; protected $hasPreviews = false;
/**
* Whether this grapher provides tiny previews
*
* @var bool
*/
protected $hasTinyPreviews = false;
/** /**
* Constructor must live without arguments right now * Constructor must live without arguments right now
* *
@ -36,16 +40,6 @@ abstract class GrapherHook
$this->init(); $this->init();
} }
/**
* Whether this grapher provides preview images
*
* @return bool
*/
public function hasPreviews()
{
return $this->hasPreviews;
}
/** /**
* Overwrite this function if you want to do some initialization stuff * Overwrite this function if you want to do some initialization stuff
* *
@ -56,75 +50,63 @@ abstract class GrapherHook
} }
/** /**
* Whether a graph for the given host[, service [, plot]] exists * Whether this grapher provides previews
*
* @param string $host
* @param string $service
* @param string $plot
* *
* @return bool * @return bool
*/ */
public function has($host, $service = null, $plot = null) public function hasPreviews()
{ {
return false; return $this->hasPreviews;
} }
/** /**
* Get a preview image for the given host[, service [, plot]] exists * Whether this grapher provides tiny previews
* *
* @param string $host * @return bool
* @param string $service
* @param string $plot
*
* @return string
*
* @throws ProgrammingError
*/ */
public function getPreviewHtml($host, $service = null, $plot = null) public function hasTinyPreviews()
{ {
throw new ProgrammingError('This backend has no preview images'); return $this->hasTinyPreviews;
} }
/** /**
* Whether a tiny graph for the given host[, service [, plot]] exists * Whether a graph for the monitoring object exist
* *
* @param string $host * @param MonitoredObject $object
* @param string $service
* @param string $plot
* *
* @return bool * @return bool
*/ */
public function hasTinyPreview($host, $service = null, $plot = null) abstract public function has(MonitoredObject $object);
{
return false;
}
/** /**
* Get a tiny preview image for the given host[, service [, plot]] exists * Get a preview for the given object
* *
* @param string $host * This function must return an empty string if no graph exists.
* @param string $service *
* @param string $plot * @param MonitoredObject $object
* *
* @return string * @return string
* @throws ProgrammingError
* *
*/
public function getPreviewHtml(MonitoredObject $object)
{
throw new ProgrammingError('This hook provide previews but it is not implemented');
}
/**
* Get a tiny preview for the given object
*
* This function must return an empty string if no graph exists.
*
* @param MonitoredObject $object
*
* @return string
* @throws ProgrammingError * @throws ProgrammingError
*/ */
public function getTinyPreviewHtml($host, $service = null, $plot = null) public function getTinyPreviewHtml(MonitoredObject $object)
{ {
throw new ProgrammingError('This backend has no tiny preview images'); throw new ProgrammingError('This hook provide tiny previews but it is not implemented');
} }
/**
* Get URL pointing to the grapher
*
* WARNING: We are not sure yet whether this will remain as is
*
* @param string $host
* @param string $service
* @param string $plot
*
* @return string
*/
abstract function getGraphUrl($host, $service = null, $plot = null);
} }