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CGlobalStateCacheDependency

Package system.caching.dependencies
Inheritance class CGlobalStateCacheDependency » CCacheDependency » CComponent
Implements ICacheDependency
Since 1.0
Version $Id: CGlobalStateCacheDependency.php 433 2008-12-30 22:59:17Z qiang.xue $
CGlobalStateCacheDependency represents a dependency based on a global state value.

CGlobalStateCacheDependency checks if a global state is changed or not. If the global state is changed, the dependency is reported as changed. To specify which global state this dependency should check with, set stateName to the name of the global state.

Public Properties

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PropertyTypeDescriptionDefined By
dependentData mixed the data used to determine if dependency has been changed. CCacheDependency
hasChanged boolean whether the dependency has changed. CCacheDependency
stateName string the name of the global state whose value is to check if the dependency has changed. CGlobalStateCacheDependency

Public Methods

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MethodDescriptionDefined By
__call() Calls the named method which is not a class method. CComponent
__construct() Constructor. CGlobalStateCacheDependency
__get() Returns a property value, an event handler list or a behavior based on its name. CComponent
__isset() Checks if a property value is null. CComponent
__set() Sets value of a component property. CComponent
__unset() Sets a component property to be null. CComponent
asa() Returns the named behavior object. CComponent
attachBehavior() Attaches a behavior to this component. CComponent
attachBehaviors() Attaches a list of behaviors to the component. CComponent
attachEventHandler() Attaches an event handler to an event. CComponent
canGetProperty() Determines whether a property can be read. CComponent
canSetProperty() Determines whether a property can be set. CComponent
detachBehavior() Detaches a behavior from the component. CComponent
detachBehaviors() Detaches all behaviors from the component. CComponent
detachEventHandler() Detaches an existing event handler. CComponent
disableBehavior() Disables an attached behavior. CComponent
disableBehaviors() Disables all behaviors attached to this component. CComponent
enableBehavior() Enables an attached behavior. CComponent
enableBehaviors() Enables all behaviors attached to this component. CComponent
evaluateDependency() Evaluates the dependency by generating and saving the data related with dependency. CCacheDependency
getDependentData() CCacheDependency
getEventHandlers() Returns the list of attached event handlers for an event. CComponent
getHasChanged() CCacheDependency
hasEvent() Determines whether an event is defined. CComponent
hasEventHandler() Checks whether the named event has attached handlers. CComponent
hasProperty() Determines whether a property is defined. CComponent
raiseEvent() Raises an event. CComponent

Protected Methods

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MethodDescriptionDefined By
generateDependentData() Generates the data needed to determine if dependency has been changed. CGlobalStateCacheDependency

Property Details

stateName property
public string $stateName;

the name of the global state whose value is to check if the dependency has changed.

Method Details

__construct() method
public void __construct(string $name=NULL)
$name string the name of the global state

Constructor.

generateDependentData() method
protected mixed generateDependentData()
{return} mixed the data needed to determine if dependency has been changed.

Generates the data needed to determine if dependency has been changed. This method returns the value of the global state.

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