net.php.pear/Log/composite.php

<?php
// $Horde: horde/lib/Log/composite.php,v 1.2 2000/06/28 21:36:13 jon Exp $

/**
 * The Log_composite:: class implements a Composite pattern which
 * allows multiple Log implementations to get sent the same events.
 *
 * @author  Chuck Hagenbuch <chuck@horde.org>
 * @version $Revision: 1.1 $
 * @since Horde 1.3
*/
class Log_composite {
    
    // {{{ properties
    
    /** Array holding all Log instances which should be sent events
        sent to the composite. */
    var $children = array();
        
    // }}}
    
    
    // {{{ constructor
    /**
     * Constructs a new composite Log object.
     * 
     * @param $log_name (optional) This is ignored.
     * @param $ident    (optional) This is ignored.
     * @param $conf     (optional) This is ignored.
     */
    function Log_composite ($log_name = false, $ident = false, $conf = false) {
    }
    // }}}
    
        
    // {{{ open()
    /**
     * Open the log connections of each and every child of this
     * composite.
         */
    function open () {
        if (!$this->opened) {
                        reset($this->children);
                        foreach ($this->children as $child) {
                                $child->open();
                        }
                }
    }
    // }}}
    
    // {{{ close()
    /**
     * If we've gone ahead and opened each child, go through and close
     * each child.
         */
    function close () {
        if ($this->opened) {
                        reset($this->children);
                        foreach ($this->children as $child) {
                                $child->close();
                        }
                }
        }
        // }}}
    
    // {{{ log()
    /**
     * Sends $message and $priority to every child of this composite.
     * 
     * @param $message  The textual message to be logged.
     * @param $priority (optional) The priority of the message. Valid
     *                  values are: LOG_EMERG, LOG_ALERT, LOG_CRIT,
     *                  LOG_ERR, LOG_WARNING, LOG_NOTICE, LOG_INFO,
     *                  and LOG_DEBUG. The default is LOG_INFO.
     */
    function log ($message, $priority = LOG_INFO) {
        reset($this->children);
        foreach ($this->children as $child) {
            $child->log($message, $priority);
        }
                
        $this->notifyAll(array('priority' => $priority, 'message' => $message));
    }
    // }}}
        
    // {{{ isComposite()
    /**
     * @return a Boolean: true if this is a composite class, false
     * otherwise. Always returns true since this is the composite
     * subclass.
         */
    function isComposite () {
                return true;
    }
    // }}}
        
        // {{{ addChild()
        /**
         * Add a Log instance to the list of children that messages sent
         * to us should be passed on to.
         *
         * @param $child The Log instance to add.
         */
        function addChild (&$child) {
        if (!is_object($child))
            return false;
        
        $child->_childID = uniqid(rand());
        
        $this->children[$child->_listenerID] = &$child;
        }
        // }}}
        
        // {{{ removeChild()
        /**
         * Remove a Log instance from the list of children that messages
         * sent to us should be passed on to.
         *
         * @param $child The Log instance to remove.
         */
        function removeChild ($child) {
                if (isset($this->children[$child->_childID]))
                        unset($this->children[$child->_childID]);
        }
        // }}}
        
}

?>
1	<?php
2	// $Horde: horde/lib/Log/composite.php,v 1.2 2000/06/28 21:36:13 jon Exp $
3
4	/**
5	* The Log_composite:: class implements a Composite pattern which
6	* allows multiple Log implementations to get sent the same events.
7	*
8	* @author Chuck Hagenbuch <chuck@horde.org>
9	* @version $Revision: 1.1 $
10	* @since Horde 1.3
11	*/
12	class Log_composite {
13
14	// {{{ properties
15
16	/** Array holding all Log instances which should be sent events
17	sent to the composite. */
18	var $children = array();
19
20	// }}}
21
22
23	// {{{ constructor
24	/**
25	* Constructs a new composite Log object.
26	*
27	* @param $log_name (optional) This is ignored.
28	* @param $ident (optional) This is ignored.
29	* @param $conf (optional) This is ignored.
30	*/
31	function Log_composite ($log_name = false, $ident = false, $conf = false) {
32	}
33	// }}}
34
35
36	// {{{ open()
37	/**
38	* Open the log connections of each and every child of this
39	* composite.
40	*/
41	function open () {
42	if (!$this->opened) {
43	reset($this->children);
44	foreach ($this->children as $child) {
45	$child->open();
46	}
47	}
48	}
49	// }}}
50
51	// {{{ close()
52	/**
53	* If we've gone ahead and opened each child, go through and close
54	* each child.
55	*/
56	function close () {
57	if ($this->opened) {
58	reset($this->children);
59	foreach ($this->children as $child) {
60	$child->close();
61	}
62	}
63	}
64	// }}}
65
66	// {{{ log()
67	/**
68	* Sends $message and $priority to every child of this composite.
69	*
70	* @param $message The textual message to be logged.
71	* @param $priority (optional) The priority of the message. Valid
72	* values are: LOG_EMERG, LOG_ALERT, LOG_CRIT,
73	* LOG_ERR, LOG_WARNING, LOG_NOTICE, LOG_INFO,
74	* and LOG_DEBUG. The default is LOG_INFO.
75	*/
76	function log ($message, $priority = LOG_INFO) {
77	reset($this->children);
78	foreach ($this->children as $child) {
79	$child->log($message, $priority);
80	}
81
82	$this->notifyAll(array('priority' => $priority, 'message' => $message));
83	}
84	// }}}
85
86	// {{{ isComposite()
87	/**
88	* @return a Boolean: true if this is a composite class, false
89	* otherwise. Always returns true since this is the composite
90	* subclass.
91	*/
92	function isComposite () {
93	return true;
94	}
95	// }}}
96
97	// {{{ addChild()
98	/**
99	* Add a Log instance to the list of children that messages sent
100	* to us should be passed on to.
101	*
102	* @param $child The Log instance to add.
103	*/
104	function addChild (&$child) {
105	if (!is_object($child))
106	return false;
107
108	$child->_childID = uniqid(rand());
109
110	$this->children[$child->_listenerID] = &$child;
111	}
112	// }}}
113
114	// {{{ removeChild()
115	/**
116	* Remove a Log instance from the list of children that messages
117	* sent to us should be passed on to.
118	*
119	* @param $child The Log instance to remove.
120	*/
121	function removeChild ($child) {
122	if (isset($this->children[$child->_childID]))
123	unset($this->children[$child->_childID]);
124	}
125	// }}}
126
127	}
128
129	?>
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