--- /dev/null
+<?php
+/**
+ * A set of data storeable in databases
+ *
+ * @author Roland Haeder <webmaster@shipsimu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Core 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 DataSetCriteria extends BaseCriteria implements StoreableCriteria {
+ /**
+ * Table name
+ */
+ private $tableName = '';
+
+ /**
+ * Unique key
+ */
+ private $uniqueKey = '';
+
+ /**
+ * Primary key
+ */
+ private $primaryKey = '';
+
+ /**
+ * Primary keys
+ */
+ private $primaryKeys = array();
+
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+ }
+
+ /**
+ * Creates an instance of this criteria
+ *
+ * @param $tableName Name of the table
+ * @return $criteriaInstance An instance of this criteria
+ */
+ public static final function createDataSetCriteria ($tableName) {
+ // Get a new instance
+ $criteriaInstance = new DataSetCriteria();
+
+ // Set table name
+ $criteriaInstance->setTableName($tableName);
+
+ // Return the instance
+ return $criteriaInstance;
+ }
+
+ /**
+ * Setter for table name
+ *
+ * @param $tableName Name of the table to set
+ * @return void
+ */
+ public final function setTableName ($tableName) {
+ $this->tableName = (string) $tableName;
+ }
+
+ /**
+ * Getter for table name
+ *
+ * @return $tableName Name of the table to set
+ */
+ public final function getTableName () {
+ return $this->tableName;
+ }
+
+ /**
+ * Setter for unique key
+ *
+ * @param $uniqueKey Column to use as unique key
+ * @return void
+ */
+ public final function setUniqueKey ($uniqueKey) {
+ $this->uniqueKey = (string) $uniqueKey;
+ }
+
+ /**
+ * Getter for unique key
+ *
+ * @return $uniqueKey Column to use as unique key
+ */
+ public final function getUniqueKey () {
+ return $this->uniqueKey;
+ }
+
+ /**
+ * Getter for unique key value
+ *
+ * @return $uniqueValue Value of the unique key
+ */
+ public final function getUniqueValue () {
+ // Get primary key(s) first
+ $primaryKey = trim($this->getCriteriaElemnent($this->getPrimaryKey()));
+ $primaryKeys = $this->getPrimaryKeys();
+
+ // Debug message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']: tableName=' . $this->getTableName() . ',primaryKey=' . $primaryKey . ',primaryKeys()=' . count($primaryKeys));
+
+ /*
+ * If this is not set, this could mean a badly written frontend as
+ * tables should always have a primary key.
+ */
+ if (count($primaryKeys) > 0) {
+ /*
+ * Init return value, this can be put all together without any
+ * separator as it only aids as a "unique value" for generating the
+ * "row file name".
+ */
+ $return = '';
+
+ // Combination set, so get all
+ foreach ($primaryKeys as $primaryKey) {
+ // Add it
+ $return .= trim($this->getCriteriaElemnent($primaryKey));
+ } // END - foreach
+
+ // Debug message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']: tableName=' . $this->getTableName() . ',return=' . $return . ' - EXIT!');
+
+ // Return it
+ return $return;
+ } elseif (!empty($primaryKey)) {
+ // Return primary key
+ return $primaryKey;
+ } else {
+ // @TODO Issue a warning
+ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']: Primary key not set for table ' . $this->getTableName() . ', please fix your table. Falling back to unique key ...');
+
+ // Get unique key
+ $uniqueKey = trim($this->getCriteriaElemnent($this->getUniqueKey()));
+
+ // Debug message
+ //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']: tableName=' . $this->getTableName() . ',uniqueKey=' . $uniqueKey);
+
+ // Is it empty, too?
+ if (empty($uniqueKey)) {
+ // Bad news, nothing is "unique" by design for this table
+ ApplicationEntryPoint::app_exit('Table ' . $this->getTableName() . ' has both no primary and unique key, but ' . __METHOD__ . ' was called. Please fix your table.');
+ } else {
+ // Return unique key
+ return $uniqueKey;
+ }
+ }
+ }
+
+ /**
+ * Getter for primary key or unique key if not set
+ *
+ * @return $primaryKey Primary key or unique key if not set
+ */
+ public final function getPrimaryKey () {
+ // Get primary key by default
+ $primaryKey = $this->primaryKey;
+
+ if (empty($primaryKey)) {
+ // Get uniqueKey
+ $primaryKey = $this->getUniqueKey();
+ } // END - if
+
+ // Return it
+ return $primaryKey;
+ }
+
+ /**
+ * Setter for primary key
+ *
+ * @param $primaryKey Primary key to set
+ * @return void
+ */
+ public final function setPrimaryKey ($primaryKey) {
+ $this->primaryKey = (string) $primaryKey;
+ }
+
+ /**
+ * Setter for primary key array
+ *
+ * @param $primaryKeys Primary key array to set
+ * @return void
+ */
+ public function setPrimaryKeyCombined (array $primaryKeys) {
+ $this->primaryKeys = $primaryKeys;
+ }
+
+ /**
+ * Getter for primary keys
+ *
+ * @return $primaryKeys Primary key array
+ */
+ public final function getPrimaryKeys () {
+ // Return it
+ return $this->primaryKeys;
+ }
+}
+
+// [EOF]
+?>