Add queue and queuefile support

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@5264 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

queue.php

@@ -0,0 +1,79 @@
+<?php
+/** Manage a queue in multiple storages
+  * A process can add entries to the end of a queue
+  * A process can get all the entries in a queue
+  * A process can clear all the entries in a queue
+  * A process can get the first entry in the queue (FIFO), with optional
+  * removing of the entry
+  * A process can get the last entry in the queue (LIFO), with optional
+  * removing of the entry
+  * A process can get X entries starting at position Y
+  */
+class queue
+{
+  /** The queue connected object
+    */
+  private $queue = null;
+
+  /** Connect to the queue
+    */
+  public function connect ($dsn)
+  {
+    return $this;
+  }
+
+  /** Add a new entry to the end of the queue
+    * @param mixed $entry The entry to add
+    */
+  public function add ($entry)
+  {
+
+    return $this;
+  }
+
+  /** Get all the entries of the queue
+    * @return array
+    */
+  public function getAll ()
+  {
+
+  }
+
+  /** Clear all the entries of the queue
+    */
+  public function clear ()
+  {
+    return $this;
+  }
+
+  /** Get the first entry in the queue with optional removing of the entry
+    * @param boolean|null $delete If true, delete the read entry
+    * @return mixed Return null if there is no entry, or the first entry in the
+    * queue (FIFO)
+    */
+  public function getFirst ($delete = false)
+  {
+
+  }
+
+  /** Get the last entry in the queue with optional removing of the entry
+    * @param boolean|null $delete If true, delete the read entry
+    * @return mixed Return null if there is no entry, or the last entry in the
+    * queue (LIFO)
+    */
+  public function getLast ($delete = false)
+  {
+
+  }
+
+  /** Get X entries starting at position Y
+    * @param integer $start the starting position
+    * @param integer $number The number of entries to get
+    * @param boolean|null $delete If true, delete the read entries
+    * @return array An array of mixed entries
+    */
+  public function getRange ($start, $number, $delete = false)
+  {
+
+  }
+}