--- /dev/null
+<?php
+/**
+ * A database wrapper for node informations
+ *
+ * @author Roland Haeder <webmaster@shipsimu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 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 NodeInformationDatabaseWrapper extends BaseDatabaseWrapper implements NodeInformationWrapper, Registerable {
+ // Constants for database table names
+ const DB_TABLE_NODE_INFORMATION = 'node_data';
+
+ // Constants for database column names
+ const DB_COLUMN_NODE_NR = 'node_nr';
+ const DB_COLUMN_NODE_ID = 'node_id';
+ const DB_COLUMN_SESSION_ID = 'session_id';
+ const DB_COLUMN_PRIVATE_KEY = 'private_key';
+ const DB_COLUMN_PRIVATE_KEY_HASH = 'private_key_hash';
+ const DB_COLUMN_NODE_MODE = 'node_mode';
+
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+ }
+
+ /**
+ * Creates an instance of this database wrapper by a provided user class
+ *
+ * @return $wrapperInstance An instance of the created wrapper class
+ */
+ public static final function createNodeInformationDatabaseWrapper () {
+ // Get a new instance
+ $wrapperInstance = new NodeInformationDatabaseWrapper();
+
+ // Set (primary!) table name
+ $wrapperInstance->setTableName(self::DB_TABLE_NODE_INFORMATION);
+
+ // Return the instance
+ return $wrapperInstance;
+ }
+
+ /**
+ * Checks whether there is an entry for given node instance
+ *
+ * @param $nodeInstance An instance of a NodeHelper class
+ * @return $isFound Whether a node id has been found for this node
+ */
+ public function ifNodeDataIsFound (NodeHelper $nodeInstance) {
+ // Is there cache?
+ if (!isset($GLOBALS[__METHOD__])) {
+ // Now get a search criteria instance
+ $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
+
+ // Search for the node number one which is hard-coded the default
+ $searchInstance->addCriteria(NodeInformationDatabaseWrapper::DB_COLUMN_NODE_NR , 1);
+ $searchInstance->addCriteria(NodeInformationDatabaseWrapper::DB_COLUMN_NODE_MODE, $nodeInstance->getRequestInstance()->getRequestElement('mode'));
+ $searchInstance->setLimit(1);
+
+ // Get a result back
+ $resultInstance = $this->doSelectByCriteria($searchInstance);
+
+ // Set result instance in node instance
+ $nodeInstance->setResultInstance($resultInstance);
+
+ // Is it valid?
+ $GLOBALS[__METHOD__] = $resultInstance->next();
+ } // END - if
+
+ // Return it
+ return $GLOBALS[__METHOD__];
+ }
+
+ /**
+ * 'Registers' a new node id along with data provided in the node instance.
+ * This may sound confusing but avoids double code very nicely...
+ *
+ * @param $nodeInstance A node instance
+ * @param $requestInstance An instance of a Requestable class
+ * @return void
+ */
+ public function registerNodeId (BaseHubNode $nodeInstance, Requestable $requestInstance) {
+ // Get a dataset instance
+ $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_INFORMATION));
+
+ // Set the primary key
+ $dataSetInstance->setUniqueKey(self::DB_COLUMN_NODE_ID);
+
+ // Add registration elements to the dataset
+ $nodeInstance->addElementsToDataSet($dataSetInstance, $requestInstance);
+
+ // "Insert" this dataset instance completely into the database
+ $this->queryInsertDataSet($dataSetInstance);
+ }
+
+ /**
+ * 'Registers' a new session id along with data provided in the node instance.
+ * This may sound confusing but avoids double code very nicely...
+ *
+ * @param $nodeInstance An instance of a BaseHubNode class
+ * @param $requestInstance An instance of a Requestable class
+ * @param $searchInstance An instance of a LocalSearchCriteria class
+ * @return void
+ */
+ public function registerSessionId (BaseHubNode $nodeInstance, Requestable $requestInstance, LocalSearchCriteria $searchInstance) {
+ // Get a dataset instance
+ $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_INFORMATION));
+
+ // Set search instance
+ $dataSetInstance->setSearchInstance($searchInstance);
+
+ // Set the primary key
+ $dataSetInstance->setUniqueKey(self::DB_COLUMN_NODE_ID);
+
+ // Add registration elements to the dataset
+ $nodeInstance->addElementsToDataSet($dataSetInstance, $requestInstance);
+
+ // Update database record
+ $this->queryUpdateDataSet($dataSetInstance);
+ }
+
+ /**
+ * 'Registers' a private key along with data provided in the node instance.
+ * This may sound confusing but avoids double code very nicely...
+ *
+ * @param $nodeInstance An instance of a BaseHubNode class
+ * @param $requestInstance An instance of a Requestable class
+ * @param $searchInstance An instance of a LocalSearchCriteria class
+ * @return void
+ */
+ public function registerPrivateKey (BaseHubNode $nodeInstance, Requestable $requestInstance, LocalSearchCriteria $searchInstance) {
+ // Get a dataset instance
+ $dataSetInstance = ObjectFactory::createObjectByConfiguredName('dataset_criteria_class', array(self::DB_TABLE_NODE_INFORMATION));
+
+ // Set the primary key
+ $dataSetInstance->setUniqueKey(self::DB_COLUMN_NODE_ID);
+
+ // Set search instance
+ $dataSetInstance->setSearchInstance($searchInstance);
+
+ // Add registration elements to the dataset
+ $nodeInstance->addElementsToDataSet($dataSetInstance, $requestInstance);
+
+ // Update database record
+ $this->queryUpdateDataSet($dataSetInstance);
+ }
+
+ /**
+ * Removes non-public data from given array.
+ *
+ * @param $data An array with possible non-public data that needs to be removed.
+ * @return $data A cleaned up array with only public data.
+ */
+ public function removeNonPublicDataFromArray(array $data) {
+ // Currently call only inner method
+ /* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('NODE-WRAPPER[' . $this->__toString() . ']: Calling parent::removeNonPublicDataFromArray(data) ...');
+ $data = parent::removeNonPublicDataFromArray($data);
+
+ // Return cleaned data
+ return $data;
+ }
+}
+
+// [EOF]
+?>