3 * A set of data storeable in databases
5 * @author Roland Haeder <webmaster@shipsimu.org>
7 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Core Developer Team
8 * @license GNU GPL 3.0 or any newer version
9 * @link http://www.shipsimu.org
11 * This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 class DataSetCriteria extends BaseCriteria implements StoreableCriteria {
28 private $tableName = '';
33 private $uniqueKey = '';
38 private $primaryKey = '';
41 * Protected constructor
45 protected function __construct () {
46 // Call parent constructor
47 parent::__construct(__CLASS__);
51 * Creates an instance of this criteria
53 * @param $tableName Name of the table
54 * @return $criteriaInstance An instance of this criteria
56 public static final function createDataSetCriteria ($tableName) {
58 $criteriaInstance = new DataSetCriteria();
61 $criteriaInstance->setTableName($tableName);
63 // Return the instance
64 return $criteriaInstance;
68 * Setter for table name
70 * @param $tableName Name of the table to set
73 public final function setTableName ($tableName) {
74 $this->tableName = (string) $tableName;
78 * Getter for table name
80 * @return $tableName Name of the table to set
82 public final function getTableName () {
83 return $this->tableName;
87 * Setter for unique key
89 * @param $uniqueKey Column to use as unique key
92 public final function setUniqueKey ($uniqueKey) {
93 $this->uniqueKey = (string) $uniqueKey;
97 * Getter for unique key
99 * @return $uniqueKey Column to use as unique key
101 public final function getUniqueKey () {
102 return $this->uniqueKey;
106 * Getter for unique key value
108 * @return $uniqueValue Value of the unique key
110 public final function getUniqueValue () {
111 // Get primary key(s) first
112 $primaryKey = trim($this->getCriteriaElemnent($this->getPrimaryKey()));
113 $primaryKeys = $this->getPrimaryKeys();
116 //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']: tableName=' . $this->getTableName() . ',primaryKey=' . $primaryKey . ',primaryKeys()=' . count($primaryKeys));
119 * If this is not set, this could mean a badly written frontend as
120 * tables should always have a primary key.
122 if (count($primaryKeys) > 0) {
124 * Init return value, this can be put all together without any
125 * separator as it only aids as a "unique value" for generating the
130 // Combination set, so get all
131 foreach ($primaryKeys as $primaryKey) {
133 $return .= trim($this->getCriteriaElemnent($primaryKey));
137 //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']: tableName=' . $this->getTableName() . ',return=' . $return . ' - EXIT!');
141 } elseif (!empty($primaryKey)) {
142 // Return primary key
145 // @TODO Issue a warning
146 self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']: Primary key not set for table ' . $this->getTableName() . ', please fix your table. Falling back to unique key ...');
149 $uniqueKey = trim($this->getCriteriaElemnent($this->getUniqueKey()));
152 //* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . ']: tableName=' . $this->getTableName() . ',uniqueKey=' . $uniqueKey);
155 if (empty($uniqueKey)) {
156 // Bad news, nothing is "unique" by design for this table
157 ApplicationEntryPoint::app_exit('Table ' . $this->getTableName() . ' has both no primary and unique key, but ' . __METHOD__ . ' was called. Please fix your table.');
166 * Getter for primary key or unique key if not set
168 * @return $primaryKey Primary key or unique key if not set
170 public final function getPrimaryKey () {
171 // Get primary key by default
172 $primaryKey = $this->primaryKey;
174 if (empty($primaryKey)) {
176 $primaryKey = $this->getUniqueKey();
184 * Setter for primary key
186 * @param $primaryKey Primary key to set
189 public final function setPrimaryKey ($primaryKey) {
190 $this->primaryKey = (string) $primaryKey;
194 * Setter for primary key array
196 * @param $primaryKeys Primary key array to set
199 public function setPrimaryKeyCombined (array $primaryKeys) {
200 $this->primaryKeys = $primaryKeys;
204 * Getter for primary keys
206 * @return $primaryKeys Primary key array
208 public final function getPrimaryKeys () {
210 return $this->primaryKeys;