/[cvs]/nfo/php/libs/net.php.pear/Log/composite.php
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revision 1.1 by cvsjoko, Fri Oct 25 15:15:23 2002 UTC revision 1.2 by joko, Wed Feb 5 21:48:31 2003 UTC
# Line 1  Line 1 
1  <?php  <?php
2  // $Horde: horde/lib/Log/composite.php,v 1.2 2000/06/28 21:36:13 jon Exp $  // $Id$
3    // $Horde: horde/lib/Log/composite.php,v 1.2 2000/06/28 21:36:13 jon Exp $
4  /**  
5   * The Log_composite:: class implements a Composite pattern which  /**
6   * allows multiple Log implementations to get sent the same events.   * The Log_composite:: class implements a Composite pattern which
7   *   * allows multiple Log implementations to get sent the same events.
8   * @author  Chuck Hagenbuch <chuck@horde.org>   *
9   * @version $Revision$   * @author  Chuck Hagenbuch <chuck@horde.org>
10   * @since Horde 1.3   * @version $Revision$
11  */   * @since Horde 1.3
12  class Log_composite {   * @package Log
13         */
14      // {{{ properties  
15        class Log_composite extends Log {
16      /** Array holding all Log instances which should be sent events  
17          sent to the composite. */      /**
18      var $children = array();      * Array holding all Log instances
19                * which should be sent events sent to the composite.
20      // }}}      * @var array
21            */
22            var $_children = array();
23      // {{{ constructor  
24      /**  
25       * Constructs a new composite Log object.      /**
26       *       * Constructs a new composite Log object.
27       * @param $log_name (optional) This is ignored.       *
28       * @param $ident    (optional) This is ignored.       * @param boolean $name     This is ignored.
29       * @param $conf     (optional) This is ignored.       * @param boolean $ident    This is ignored.
30       */       * @param boolean $conf     This is ignored.
31      function Log_composite ($log_name = false, $ident = false, $conf = false) {       * @param boolean $maxLevel This is ignored.
32      }       * @access public
33      // }}}       */
34            function Log_composite($name = false, $ident = false, $conf = false,
35                                       $maxLevel = PEAR_LOG_DEBUG)
36      // {{{ open()      {
37      /**      }
38       * Open the log connections of each and every child of this      
39       * composite.      /**
40           */       * Open the log connections of each and every child of this
41      function open () {       * composite.
42          if (!$this->opened) {       * @access public    
43                          reset($this->children);       */
44                          foreach ($this->children as $child) {      function open()
45                                  $child->open();      {
46                          }          if (!$this->_opened) {
47                  }              reset($this->_children);
48      }              foreach ($this->_children as $child) {
49      // }}}                  $child->open();
50                    }
51      // {{{ close()          }
52      /**      }
53       * If we've gone ahead and opened each child, go through and close  
54       * each child.      /**
55           */       * If we've gone ahead and opened each child, go through and close
56      function close () {       * each child.
57          if ($this->opened) {       * @access public    
58                          reset($this->children);       */
59                          foreach ($this->children as $child) {      function close()
60                                  $child->close();      {
61                          }          if ($this->_opened) {
62                  }              reset($this->_children);
63          }              foreach ($this->_children as $child) {
64          // }}}                  $child->close();
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.       * Sends $message and $priority to every child of this composite.
71       * @param $priority (optional) The priority of the message. Valid       *
72       *                  values are: LOG_EMERG, LOG_ALERT, LOG_CRIT,       * @param string $message  The textual message to be logged.
73       *                  LOG_ERR, LOG_WARNING, LOG_NOTICE, LOG_INFO,       * @param string $priority (optional) The priority of the message. Valid
74       *                  and LOG_DEBUG. The default is LOG_INFO.       *                  values are: PEAR_LOG_EMERG, PEAR_LOG_ALERT,
75       */       *                  PEAR_LOG_CRIT, PEAR_LOG_ERR, PEAR_LOG_WARNING,
76      function log ($message, $priority = LOG_INFO) {       *                  PEAR_LOG_NOTICE, PEAR_LOG_INFO, and PEAR_LOG_DEBUG.
77          reset($this->children);       *                  The default is PEAR_LOG_INFO.
78          foreach ($this->children as $child) {       * @return boolean  True on success or false on failure.
79              $child->log($message, $priority);       */
80          }      function log($message, $priority = PEAR_LOG_INFO)
81                        {
82          $this->notifyAll(array('priority' => $priority, 'message' => $message));          reset($this->_children);
83      }          foreach ($this->_children as $child) {
84      // }}}              $child->log($message, $priority);
85                    }
86      // {{{ isComposite()          
87      /**          $this->notifyAll(array('priority' => $priority, 'message' => $message));
88       * @return a Boolean: true if this is a composite class, false  
89       * otherwise. Always returns true since this is the composite          return true;
90       * subclass.      }
91           */  
92      function isComposite () {      /**
93                  return true;       * @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          // {{{ addChild()       */
98          /**      function isComposite()
99           * Add a Log instance to the list of children that messages sent      {
100           * to us should be passed on to.          return true;
101           *      }
102           * @param $child The Log instance to add.  
103           */      /**
104          function addChild (&$child) {       * Add a Log instance to the list of children that messages sent
105          if (!is_object($child))       * to us should be passed on to.
106              return false;       *
107                 * @param object Log &$child The Log instance to add.
108          $child->_childID = uniqid(rand());       * @access public
109                 * @return boolean false, if &$child isn't a Log instance    
110          $this->children[$child->_listenerID] = &$child;       */
111          }      function addChild(&$child)
112          // }}}      {
113                    if (!is_object($child)) {
114          // {{{ removeChild()              return false;
115          /**          }
116           * Remove a Log instance from the list of children that messages  
117           * sent to us should be passed on to.          $child->_childID = uniqid(rand());
118           *  
119           * @param $child The Log instance to remove.          $this->_children[$child->_childID] = &$child;
120           */      }
121          function removeChild ($child) {  
122                  if (isset($this->children[$child->_childID]))      /**
123                          unset($this->children[$child->_childID]);       * 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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