diff options
Diffstat (limited to 'framework/Web/UI/WebControls/TOutputCache.php')
| -rw-r--r-- | framework/Web/UI/WebControls/TOutputCache.php | 48 |
1 files changed, 40 insertions, 8 deletions
diff --git a/framework/Web/UI/WebControls/TOutputCache.php b/framework/Web/UI/WebControls/TOutputCache.php index cb46b2f5..317d87b8 100644 --- a/framework/Web/UI/WebControls/TOutputCache.php +++ b/framework/Web/UI/WebControls/TOutputCache.php @@ -84,6 +84,7 @@ class TOutputCache extends TControl implements INamingContainer private $_keyPrefix='';
private $_varyBySession=false;
private $_cachePostBack=false;
+ private $_cacheTime=0;
/**
* Returns a value indicating whether body contents are allowed for this control.
@@ -116,11 +117,17 @@ class TOutputCache extends TControl implements INamingContainer {
$this->_cacheAvailable=true;
$data=$this->_cache->get($this->getCacheKey());
- $param=new TOutputCacheCheckDependencyEventParameter;
- $this->onCheckDependency($param);
- $this->_dataCached=($data!==false && $param->getIsValid());
+ if(is_array($data))
+ {
+ $param=new TOutputCacheCheckDependencyEventParameter;
+ $param->setCacheTime(isset($data[3])?$data[3]:0);
+ $this->onCheckDependency($param);
+ $this->_dataCached=$param->getIsValid();
+ }
+ else
+ $this->_dataCached=false;
if($this->_dataCached)
- list($this->_contents,$this->_state,$this->_actions)=$data;
+ list($this->_contents,$this->_state,$this->_actions,$this->_cacheTime)=$data;
}
}
}
@@ -329,6 +336,15 @@ class TOutputCache extends TControl implements INamingContainer }
/**
+ * @return integer the timestamp of the cached content. This is only valid if the content is being cached.
+ * @since 3.1.1
+ */
+ public function getCacheTime()
+ {
+ return $this->_cacheTime;
+ }
+
+ /**
* Returns the dependency of the data to be cached.
* The default implementation simply returns null, meaning no specific dependency.
* This method may be overriden to associate the data to be cached
@@ -470,7 +486,7 @@ class TOutputCache extends TControl implements INamingContainer $stack->pop();
$content=$textWriter->flush();
- $data=array($content,$this->_state,$this->_actions);
+ $data=array($content,$this->_state,$this->_actions,time());
$this->_cache->set($this->getCacheKey(),$data,$this->getDuration(),$this->getCacheDependency());
$writer->write($content);
}
@@ -492,10 +508,8 @@ class TOutputCache extends TControl implements INamingContainer */
class TOutputCacheCheckDependencyEventParameter extends TEventParameter
{
- /**
- * @var boolean whether the dependency remains valid
- */
private $_isValid=true;
+ private $_cacheTime=0;
/**
* @return boolean whether the dependency remains valid. Defaults to true.
@@ -512,6 +526,24 @@ class TOutputCacheCheckDependencyEventParameter extends TEventParameter {
$this->_isValid=TPropertyValue::ensureBoolean($value);
}
+
+ /**
+ * @return integer the timestamp of the cached result. You may use this to help determine any dependency is changed.
+ * @since 3.1.1
+ */
+ public function getCacheTime()
+ {
+ return $this->_cacheTime;
+ }
+
+ /**
+ * @param integer the timestamp of the cached result. This is used internally.
+ * @since 3.1.1
+ */
+ public function setCacheTime($value)
+ {
+ $this->_cacheTime=TPropertyValue::ensureInteger($value);
+ }
}
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