--- /dev/null
+<?php
+/**
+ * A Default iterator
+ *
+ * @author Roland Haeder <webmaster@shipsimu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Hub Developer Team
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.shipsimu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class DefaultIterator extends BaseIterator implements Iterator {
+ /**
+ * Key for the global list index
+ */
+ private $indexKey = 0;
+
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+ }
+
+ /**
+ * Creates an instance of this class
+ *
+ * @param $listInstance A list of a Listable
+ * @return $iteratorInstance An instance a Iterator class
+ */
+ public static final function createDefaultIterator (Listable $listInstance) {
+ // Get new instance
+ $iteratorInstance = new DefaultIterator();
+
+ // Set the list
+ $iteratorInstance->setListInstance($listInstance);
+
+ // Return the prepared instance
+ return $iteratorInstance;
+ }
+
+ /**
+ * Getter for current value from group or generic
+ *
+ * @return $current Current value in iteration
+ * @throws IndexOutOfBoundsException If $indexKey is out of bounds
+ */
+ public function current () {
+ // Default is null
+ $current = NULL;
+
+ // Is the entry valid?
+ if (!$this->valid()) {
+ // Throw an exception here
+ throw new IndexOutOfBoundsException($this->key(), self::EXCEPTION_INDEX_OUT_OF_BOUNDS);
+ } // END - if
+
+ // Now get the entry
+ $current = $this->getListInstance()->getEntry($this->key());
+
+ // Return it
+ return $current;
+ }
+
+ /**
+ * Getter for key from group or generic
+ *
+ * @return $indexKey Current key in iteration
+ */
+ public function key () {
+ return $this->indexKey;
+ }
+
+ /**
+ * Advances to the next entry
+ *
+ * @return void
+ */
+ public function next () {
+ $this->indexKey++;
+ }
+
+ /**
+ * Rewinds to the beginning of the iteration
+ *
+ * @return void
+ */
+ public function rewind () {
+ $this->indexKey = 0;
+ }
+
+ /**
+ * Checks whether the current entry is valid (not at the end of the list)
+ *
+ * @return $isValid Whether the current entry is there
+ */
+ public function valid () {
+ // Check for total active peers and if we are not at the end
+ $isValid = ($this->key() < $this->getListInstance()->count());
+
+ // Return result
+ return $isValid;
+ }
+}
+
+// [EOF]
+?>