Add DatabaseObject base class
DatabaseObject exposes common behaviours for database table wrapper classes.
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@@ -68,7 +68,7 @@ class SihnonFramework_Database {
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}
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private function query($sql, $count = 0) {
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$results = $this->dbh->query($sql);
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$results = $this->dbh->query($sql, PDO::FETCH_ASSOC);
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if (! $results) {
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list($std_code, $driver_code, $message) = $this->dbh->errorInfo();
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@@ -123,7 +123,7 @@ class SihnonFramework_Database {
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}
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}
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return $stmt->fetchAll();
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return $stmt->fetchAll(PDO::FETCH_ASSOC);
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} else {
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$results = array();
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212
source/lib/SihnonFramework/DatabaseObject.class.php
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212
source/lib/SihnonFramework/DatabaseObject.class.php
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@@ -0,0 +1,212 @@
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<?php
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abstract class SihnonFramework_DatabaseObject {
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protected static $table;
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protected static function table() {
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return static::$table;
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}
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protected function setDatabaseProperties(array $properties) {
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foreach($properties as $property => $value) {
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if (property_exists(get_called_class(), '_db_' . $property)) {
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$this->{'_db_' . $property} = $value;
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} else {
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throw new Sihnon_Exception_InvalidProperty($property);
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}
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}
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}
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public static function fromDatabaseRow($row) {
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$object = new static();
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$object->setDatabaseProperties($row);
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return $object;
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}
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/**
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* Load a DatabaseObject given its ID
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*
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* @param int $id
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* @return SihnonFramework_DatabaseObject
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*/
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public static function fromId($id) {
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$database = SihnonFramework_Main::instance()->database();
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$object = self::fromDatabaseRow(
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$database->selectOne('SELECT * FROM `'.static::table().'` WHERE id=:id', array(
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array('name' => 'id', 'value' => $id, 'type' => PDO::PARAM_INT)
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)
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)
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);
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return $object;
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}
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/**
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* Load a DatabaseObject given a field name and value
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*
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* @param string $name Name of the field to match on
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* @param mixed $value Value of the field to match on
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*/
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public static function from($field, $value) {
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$database = SihnonFramework_Main::instance()->database();
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$object = self::fromDatabaseRow(
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$database->selectOne("SELECT * FROM `".static::table()."` WHERE `{$field}`=:{$field}", array(
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array('name' => $field, 'value' => $value, 'type' => PDO::PARAM_STR)
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)
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)
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);
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return $object;
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}
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/**
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* Load a list of all objects
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*
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* @return SihnonFramework_DatabaseObject
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*/
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public static function all() {
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$database = SihnonFramework_Main::instance()->database();
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$objects = array();
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foreach ($database->selectList('SELECT * FROM `'.static::table().'` WHERE `id` > 0 ORDER BY `id` DESC') as $row) {
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$objects[] = static::fromDatabaseRow($row);
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}
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return $objects;
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}
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public static function all_for($field, $value, $view = null) {
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$database = SihnonFramework_Main::instance()->database();
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if ($view === null) {
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$view = static::table();
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}
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$class = new ReflectionClass(get_called_class());
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$properties = $class->getproperties();
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$fields = array();
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foreach ($properties as $property) {
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$matches = array();
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if (preg_match('/^_db_(.*)/', $property->name, $matches)) {
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$fields[] = $matches[1];
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}
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}
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$field_list = join(', ', array_map(function($v) { return "`{$v}`"; }, $fields));$objects = array();
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foreach ($database->selectList("SELECT {$field_list} FROM `{$view}` WHERE `{$field}`=:{$field} ORDER BY `id` DESC", array(
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array('name' => $field, 'value' => $value, 'type' => PDO::PARAM_STR),
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)) as $row) {
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$objects[] = static::fromDatabaseRow($row);
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}
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return $objects;
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}
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public static function exists($field, $value, $view = null) {
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$database = Sihnon_Main::instance()->database();
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return $database->selectOne('SELECT COUNT(*) FROM `'.static::table().'` "WHERE `{$field}`=:{$field} LIMIT 1', array(
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array('name' => $field, 'value' => $value, 'type' => PDO::PARAM_STR),
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)
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);
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}
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protected function create() {
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$database = SihnonFramework_Main::instance()->database();
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$class = new ReflectionClass(get_called_class());
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$properties = $class->getproperties();
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$fields = array();
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$params = array();
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foreach ($properties as $property) {
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$matches = array();
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if (preg_match('/^_db_(.*)/', $property->name, $matches)) {
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$fields[] = $matches[1];
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$params[] = array(
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'name' => $matches[1],
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'value' => ($matches[1] == 'id') ? 'NULL' : $this->{"_db_{$matches[1]}"},
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'type' => PDO::PARAM_STR
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);
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}
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}
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$id_list = join(', ', array_map(function($v) { return "`{$v}`"; }, $fields));
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$value_list = join(', ', array_map(function($v) { return ":{$v}"; }, $fields));
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$database->insert('INSERT INTO `'.static::table().'` ({$id_list}) VALUES({$value_list})', $params);
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$this->id = $database->lastInsertId();
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}
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protected function save() {
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$database = SihnonFramework_Main::instance()->database();
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$class = new ReflectionClass(get_called_class());
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$properties = $class->getproperties();
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$fields = array();
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$params = array();
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foreach ($properties as $property) {
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$matches = array();
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if (preg_match('/^_db_(.*)/', $property->name, $matches)) {
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if ($matches[1] != 'id') {
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$fields[] = $matches[1];
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}
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$params[] = array(
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'name' => $matches[1],
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'value' => $this->{"_db_{$matches[1]}"},
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'type' => PDO::PARAM_STR
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);
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}
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}
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$id_list = join(', ', array_map(function($v) { return "`{$v}`"; }, $fields));
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$value_list = join(', ', array_map(function($v) { return ":{$v}"; }, $fields));
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$database->update('UPDATE `'.static::table().'` ({$id_list}) VALUES({$value_list}) WHERE `id`=:id', $params);
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}
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public function delete() {
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$database = SihnonFramework_Main::instance()->database();
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$database->update(
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'DELETE FROM `'.static::table().'` WHERE `id`=:id LIMIT 1',
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array(
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array('name' => 'id', 'value' => $this->id, 'type' => PDO::PARAM_INT),
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)
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);
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$this->id = null;
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}
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public function __set($name, $value) {
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$fullname = "_db_{$name}";
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if ( ! property_exists(get_called_class(), $fullname)){
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throw new SihnonFramework_Exception_InvalidProperty($name);
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}
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$this->{$fullname} = $value;
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}
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public function __get($name) {
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$fullname = "_db_{$name}";
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if ( ! property_exists(get_called_class(), $fullname)){
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throw new SihnonFramework_Exception_InvalidProperty($name);
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}
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return $this->{$fullname};
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}
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}
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?>
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@@ -21,6 +21,7 @@ class SihnonFramework_Exception_DatabaseConnectFailed extends SihnonFramework_E
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class SihnonFramework_Exception_NoDatabaseConnection extends SihnonFramework_Exception_DatabaseException {};
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class SihnonFramework_Exception_DatabaseQueryFailed extends SihnonFramework_Exception_DatabaseException {};
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class SihnonFramework_Exception_ResultCountMismatch extends SihnonFramework_Exception_DatabaseException {};
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class SihnonFramework_Exception_InvalidProperty extends SihnonFramework_Exception_DatabaseException {};
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class SihnonFramework_Exception_ConfigException extends SihnonFramework_Exception {};
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class SihnonFramework_Exception_UnknownSetting extends SihnonFramework_Exception_ConfigException {};
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