Class JObserverUpdater

Observer updater pattern implementation for Joomla

JObserverUpdater implements JObserverUpdaterInterface

Package: Joomla\Platform\Observer
Copyright: Copyright (C) 2005 - 2017 Open Source Matters, Inc. All rights reserved.
License: General Public License version 2 or later; see LICENSE
Since: 3.1.2
Located at joomla/observer/updater.php

Methods summary

`public`	# `__construct( JObservableInterface $observable )` Constructor Constructor Parameters `$observable` `JObservableInterface` - $observable The observable subject object Since 3.1.2 Implementation of `JObserverUpdaterInterface::__construct()`
`public`	# `attachObserver( JObserverInterface $observer )` Adds an observer to the JObservableInterface instance updated by this This method can be called from JObservableInterface::attachObserver Adds an observer to the JObservableInterface instance updated by this This method can be called from JObservableInterface::attachObserver Parameters `$observer` `JObserverInterface` - $observer The observer object Since 3.1.2 Implementation of `JObserverUpdaterInterface::attachObserver()`
`public`	# `detachObserver( String $observer )` Removes an observer from the JObservableInterface instance updated by this This method can be called from JObservableInterface::attachObserver Removes an observer from the JObservableInterface instance updated by this This method can be called from JObservableInterface::attachObserver Parameters `$observer` `String` - $observer The observer class name Since 3.6.0
`public JTableObserver\|null`	# `getObserverOfClass( string $observerClass )` Gets the instance of the observer of class $observerClass Gets the instance of the observer of class $observerClass Parameters `$observerClass` `string` - $observerClass The class name of the observer Returns `JTableObserver\|null` - The observer object of this class if any Since 3.1.2
`public`	# `update( string $event, array $params )` Call all observers for $event with $params Call all observers for $event with $params Parameters `$event` `string` - $event Name of the event `$params` `array` - $params Params of the event Since 3.1.2 Implementation of `JObserverUpdaterInterface::update()`
`public boolean`	# `doCallObservers( boolean $enabled )` Enable/Disable calling of observers (this is useful when calling parent:: function Enable/Disable calling of observers (this is useful when calling parent:: function Parameters `$enabled` `boolean` - $enabled Enable (true) or Disable (false) the observer events Returns `boolean` - Returns old state Since 3.1.2 Implementation of `JObserverUpdaterInterface::doCallObservers()`

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Properties summary

`protected JObserverInterface`	`$observers`	# Generic JObserverInterface observers for this JObservableInterface Generic JObserverInterface observers for this JObservableInterface Since 3.1.2
`protected boolean`	`$doCallObservers`	# Process observers (useful when a class extends significantly an observerved method, and calls observers itself Process observers (useful when a class extends significantly an observerved method, and calls observers itself Since 3.1.2

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Class JObserverUpdater

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