ICacheDependency
| Package | system.caching |
|---|---|
| Inheritance | interface ICacheDependency |
| Subclasses | CCacheDependency, CChainedCacheDependency, CDbCacheDependency, CDirectoryCacheDependency, CExpressionDependency, CFileCacheDependency, CGlobalStateCacheDependency |
| Since | 1.0 |
| Source Code | framework/base/interfaces.php |
ICacheDependency is the interface that must be implemented by cache dependency classes.
This interface must be implemented by classes meant to be used as cache dependencies.
Objects implementing this interface must be able to be serialized and unserialized.
This interface must be implemented by classes meant to be used as cache dependencies.
Objects implementing this interface must be able to be serialized and unserialized.
Public Methods
| Method | Description | Defined By |
|---|---|---|
| evaluateDependency() | Evaluates the dependency by generating and saving the data related with dependency. | ICacheDependency |
| getHasChanged() | Returns whether the dependency has changed. | ICacheDependency |
Method Details
evaluateDependency() method
abstract public void evaluateDependency() |
Evaluates the dependency by generating and saving the data related with dependency. This method is invoked by cache before writing data into it.
getHasChanged() method
abstract public boolean getHasChanged() | ||
| {return} | boolean | whether the dependency has changed. |
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http://www.yiiframework.com/doc/api/1.1/ICacheDependency