net.php.pear/Log/composite.php

<?php
// $Id: composite.php,v 1.8 2002/12/02 05:23:00 jon Exp $
// $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: 1.8 $
 * @since Horde 1.3
 * @package Log 
 */

class Log_composite extends Log {

    /** 
    * Array holding all Log instances 
    * which should be sent events sent to the composite. 
    * @var array
    */
    var $_children = array();


    /**
     * Constructs a new composite Log object.
     * 
     * @param boolean $name     This is ignored.
     * @param boolean $ident    This is ignored.
     * @param boolean $conf     This is ignored.
     * @param boolean $maxLevel This is ignored.
     * @access public
     */
    function Log_composite($name = false, $ident = false, $conf = false,
                           $maxLevel = PEAR_LOG_DEBUG)
    {
    }
    
    /**
     * Open the log connections of each and every child of this
     * composite.
     * @access public     
     */
    function open()
    {
        if (!$this->_opened) {
            reset($this->_children);
            foreach ($this->_children as $child) {
                $child->open();
            }
        }
    }

    /**
     * If we've gone ahead and opened each child, go through and close
     * each child.
     * @access public     
     */
    function close()
    {
        if ($this->_opened) {
            reset($this->_children);
            foreach ($this->_children as $child) {
                $child->close();
            }
        }
    }

    /**
     * Sends $message and $priority to every child of this composite.
     * 
     * @param string $message  The textual message to be logged.
     * @param string $priority (optional) The priority of the message. Valid
     *                  values are: PEAR_LOG_EMERG, PEAR_LOG_ALERT,
     *                  PEAR_LOG_CRIT, PEAR_LOG_ERR, PEAR_LOG_WARNING,
     *                  PEAR_LOG_NOTICE, PEAR_LOG_INFO, and PEAR_LOG_DEBUG.
     *                  The default is PEAR_LOG_INFO.
     * @return boolean  True on success or false on failure.
     */
    function log($message, $priority = PEAR_LOG_INFO)
    {
        reset($this->_children);
        foreach ($this->_children as $child) {
            $child->log($message, $priority);
        }
        
        $this->notifyAll(array('priority' => $priority, 'message' => $message));

        return true;
    }

    /**
     * @return boolean true if this is a composite class, false
     * otherwise. Always returns true since this is the composite
     * subclass.
     * @access public
     */
    function isComposite()
    {
        return true;
    }

    /**
     * Add a Log instance to the list of children that messages sent
     * to us should be passed on to.
     *
     * @param object Log &$child The Log instance to add.
     * @access public 
     * @return boolean false, if &$child isn't a Log instance    
     */
    function addChild(&$child)
    {
        if (!is_object($child)) {
            return false;
        }

        $child->_childID = uniqid(rand());

        $this->_children[$child->_childID] = &$child;
    }

    /**
     * Remove a Log instance from the list of children that messages
     * sent to us should be passed on to.
     *
     * @param object Log $child The Log instance to remove.
     * @access public     
     */
    function removeChild($child)
    {
        if (isset($this->_children[$child->_childID])) {
            unset($this->_children[$child->_childID]);
        }
    }
}

?>
1	joko	1.2	<?php
2			// $Id: composite.php,v 1.8 2002/12/02 05:23:00 jon Exp $
3			// $Horde: horde/lib/Log/composite.php,v 1.2 2000/06/28 21:36:13 jon Exp $
4
5			/**
6			* The Log_composite:: class implements a Composite pattern which
7			* allows multiple Log implementations to get sent the same events.
8			*
9			* @author Chuck Hagenbuch <chuck@horde.org>
10			* @version $Revision: 1.8 $
11			* @since Horde 1.3
12			* @package Log
13			*/
14
15			class Log_composite extends Log {
16
17			/**
18			* Array holding all Log instances
19			* which should be sent events sent to the composite.
20			* @var array
21			*/
22			var $_children = array();
23
24
25			/**
26			* Constructs a new composite Log object.
27			*
28			* @param boolean $name This is ignored.
29			* @param boolean $ident This is ignored.
30			* @param boolean $conf This is ignored.
31			* @param boolean $maxLevel This is ignored.
32			* @access public
33			*/
34			function Log_composite($name = false, $ident = false, $conf = false,
35			$maxLevel = PEAR_LOG_DEBUG)
36			{
37			}
38
39			/**
40			* Open the log connections of each and every child of this
41			* composite.
42			* @access public
43			*/
44			function open()
45			{
46			if (!$this->_opened) {
47			reset($this->_children);
48			foreach ($this->_children as $child) {
49			$child->open();
50			}
51			}
52			}
53
54			/**
55			* If we've gone ahead and opened each child, go through and close
56			* each child.
57			* @access public
58			*/
59			function close()
60			{
61			if ($this->_opened) {
62			reset($this->_children);
63			foreach ($this->_children as $child) {
64			$child->close();
65			}
66			}
67			}
68
69			/**
70			* Sends $message and $priority to every child of this composite.
71			*
72			* @param string $message The textual message to be logged.
73			* @param string $priority (optional) The priority of the message. Valid
74			* values are: PEAR_LOG_EMERG, PEAR_LOG_ALERT,
75			* PEAR_LOG_CRIT, PEAR_LOG_ERR, PEAR_LOG_WARNING,
76			* PEAR_LOG_NOTICE, PEAR_LOG_INFO, and PEAR_LOG_DEBUG.
77			* The default is PEAR_LOG_INFO.
78			* @return boolean True on success or false on failure.
79			*/
80			function log($message, $priority = PEAR_LOG_INFO)
81			{
82			reset($this->_children);
83			foreach ($this->_children as $child) {
84			$child->log($message, $priority);
85			}
86
87			$this->notifyAll(array('priority' => $priority, 'message' => $message));
88
89			return true;
90			}
91
92			/**
93			* @return boolean true if this is a composite class, false
94			* otherwise. Always returns true since this is the composite
95			* subclass.
96			* @access public
97			*/
98			function isComposite()
99			{
100			return true;
101			}
102
103			/**
104			* Add a Log instance to the list of children that messages sent
105			* to us should be passed on to.
106			*
107			* @param object Log &$child The Log instance to add.
108			* @access public
109			* @return boolean false, if &$child isn't a Log instance
110			*/
111			function addChild(&$child)
112			{
113			if (!is_object($child)) {
114			return false;
115			}
116
117			$child->_childID = uniqid(rand());
118
119			$this->_children[$child->_childID] = &$child;
120			}
121
122			/**
123			* Remove a Log instance from the list of children that messages
124			* sent to us should be passed on to.
125			*
126			* @param object Log $child The Log instance to remove.
127			* @access public
128			*/
129			function removeChild($child)
130			{
131			if (isset($this->_children[$child->_childID])) {
132			unset($this->_children[$child->_childID]);
133			}
134			}
135			}
136
137			?>
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