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	cvsjoko	1.1	<?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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