889 lines
28 KiB
PHP
889 lines
28 KiB
PHP
<?php
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require_once("Exception/Find.class.php");
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require_once("Exception/Mapping.class.php");
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require_once("Exception/PrimaryKey.class.php");
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require_once("Configurable.php");
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/**
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* Doctrine_Table represents a database table
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* each Doctrine_Table holds the information of foreignKeys and associations
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*
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*
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* @author Konsta Vesterinen
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* @package Doctrine ORM
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* @url www.phpdoctrine.com
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* @license LGPL
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* @version 1.0 alpha
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*/
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class Doctrine_Table extends Doctrine_Configurable {
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/**
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* @var boolean $isNewEntry whether ot not this table created a new record or not, used only internally
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*/
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private $isNewEntry = false;
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/**
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* @var array $data temporary data which is then loaded into Doctrine_Record::$data
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*/
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private $data = array();
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/**
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* @var array $relations an array containing all the Doctrine_Relation objects for this table
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*/
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private $relations = array();
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/**
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* @var array $primaryKeys an array containing all primary key column names
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*/
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private $primaryKeys = array();
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/**
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* @var mixed $identifier
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*/
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private $identifier;
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/**
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* @var integer $identifierType
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*/
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private $identifierType;
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/**
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* @var string $query cached simple query
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*/
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private $query;
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/**
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* @var Doctrine_Session $session Doctrine_Session object that created this table
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*/
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private $session;
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/**
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* @var string $name name of the component, for example component name of the GroupTable is 'Group'
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*/
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private $name;
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/**
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* @var string $tableName database table name, in most cases this is the same as component name but in some cases
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* where one-table-multi-class inheritance is used this will be the name of the inherited table
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*/
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private $tableName;
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/**
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* @var string $sequenceName Some databases need sequences instead of auto incrementation primary keys, you can set specific
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* sequence for your table by calling setSequenceName()
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*/
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private $sequenceName;
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/**
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* @var array $identityMap first level cache
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*/
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private $identityMap = array();
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/**
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* @var Doctrine_Repository $repository record repository
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*/
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private $repository;
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/**
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* @var Doctrine_Cache $cache second level cache
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*/
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private $cache;
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/**
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* @var array $columns an array of column definitions
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*/
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private $columns;
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/**
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* @var array $bound bound relations
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*/
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private $bound = array();
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/**
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* @var array $boundAliases bound relation aliases
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*/
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private $boundAliases = array();
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/**
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* @var integer $columnCount cached column count
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*/
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private $columnCount;
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/**
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* @var array $inheritanceMap inheritanceMap is used for inheritance mapping, keys representing columns and values
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* the column values that should correspond to child classes
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*/
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private $inheritanceMap = array();
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/**
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* @var array $parents the parent classes of this component
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*/
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private $parents = array();
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/**
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* the constructor
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* @throws Doctrine_ManagerException if there are no opened sessions
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* @throws Doctrine_TableException if there is already an instance of this table
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* @return void
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*/
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public function __construct($name) {
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$this->session = Doctrine_Manager::getInstance()->getCurrentSession();
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$this->setParent($this->session);
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$this->name = $name;
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if( ! class_exists($name) || empty($name))
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throw new Doctrine_Exception("Couldn't find class $name");
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$record = new $name($this);
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$names = array();
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$class = $name;
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// get parent classes
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do {
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if($class == "Doctrine_Record") break;
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$name = $class;
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$names[] = $name;
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} while($class = get_parent_class($class));
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// reverse names
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$names = array_reverse($names);
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// create database table
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if(method_exists($record,"setTableDefinition")) {
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$record->setTableDefinition();
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$this->columnCount = count($this->columns);
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if(isset($this->columns)) {
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$method = new ReflectionMethod($this->name,"setTableDefinition");
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$class = $method->getDeclaringClass();
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if( ! isset($this->tableName))
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$this->tableName = strtolower($class->getName());
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switch(count($this->primaryKeys)):
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case 0:
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$this->columns = array_merge(array("id" => array("integer",11,"autoincrement|primary")), $this->columns);
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$this->primaryKeys[] = "id";
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$this->identifier = "id";
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$this->identifierType = Doctrine_Identifier::AUTO_INCREMENT;
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break;
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default:
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if(count($this->primaryKeys) > 1) {
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$this->identifier = $this->primaryKeys;
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$this->identifierType = Doctrine_Identifier::COMPOSITE;
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} else {
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foreach($this->primaryKeys as $pk) {
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$o = $this->columns[$pk][2];
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$e = explode("|",$o);
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$found = false;
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foreach($e as $option) {
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if($found)
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break;
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$e2 = explode(":",$option);
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switch(strtolower($e2[0])):
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case "unique":
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$this->identifierType = Doctrine_Identifier::UNIQUE;
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$found = true;
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break;
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case "autoincrement":
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$this->identifierType = Doctrine_Identifier::AUTO_INCREMENT;
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$found = true;
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break;
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case "seq":
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$this->identifierType = Doctrine_Identifier::SEQUENCE;
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$found = true;
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break;
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endswitch;
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}
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if( ! isset($this->identifierType))
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$this->identifierType = Doctrine_Identifier::NORMAL;
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$this->identifier = $pk;
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}
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}
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endswitch;
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if($this->getAttribute(Doctrine::ATTR_CREATE_TABLES)) {
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$dict = new Doctrine_DataDict($this->getSession()->getDBH());
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$dict->createTable($this->tableName, $this->columns);
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}
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}
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} else {
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throw new Doctrine_Exception("Class '$name' has no table definition.");
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}
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$record->setUp();
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// save parents
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array_pop($names);
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$this->parents = $names;
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$this->query = "SELECT ".implode(", ",array_keys($this->columns))." FROM ".$this->getTableName();
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// check if an instance of this table is already initialized
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if( ! $this->session->addTable($this))
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throw new Doctrine_Table_Exception();
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$this->initComponents();
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}
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/**
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* initializes components this table uses
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*
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* @return void
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*/
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final public function initComponents() {
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$this->repository = new Doctrine_Repository($this);
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switch($this->getAttribute(Doctrine::ATTR_CACHE)):
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case Doctrine::CACHE_SQLITE:
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$this->cache = new Doctrine_Cache_Sqlite($this);
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break;
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case Doctrine::CACHE_NONE:
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$this->cache = new Doctrine_Cache($this);
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break;
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endswitch;
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}
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/**
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* @return Doctrine_Repository
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*/
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public function getRepository() {
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return $this->repository;
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}
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/**
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* setColumn
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* @param string $name
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* @param string $type
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* @param integer $length
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* @param mixed $options
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* @return void
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*/
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final public function setColumn($name, $type, $length, $options = "") {
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$this->columns[$name] = array($type,$length,$options);
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$e = explode("|",$options);
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if(in_array("primary",$e)) {
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$this->primaryKeys[] = $name;
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}
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}
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/**
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* @return mixed
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*/
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final public function getIdentifier() {
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return $this->identifier;
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}
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/**
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* @return integer
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*/
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final public function getIdentifierType() {
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return $this->identifierType;
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}
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/**
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* hasColumn
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* @return boolean
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*/
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final public function hasColumn($name) {
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return isset($this->columns[$name]);
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}
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/**
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* @param mixed $key
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* @return void
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*/
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final public function setPrimaryKey($key) {
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switch(gettype($key)):
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case "array":
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$this->primaryKeys = array_values($key);
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break;
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case "string":
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$this->primaryKeys[] = $key;
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break;
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endswitch;
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}
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/**
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* returns all primary keys
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* @return array
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*/
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final public function getPrimaryKeys() {
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return $this->primaryKeys;
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}
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/**
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* @return boolean
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*/
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final public function hasPrimaryKey($key) {
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return in_array($key,$this->primaryKeys);
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}
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/**
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* @param $sequence
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* @return void
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*/
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final public function setSequenceName($sequence) {
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$this->sequenceName = $sequence;
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}
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/**
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* @return string sequence name
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*/
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final public function getSequenceName() {
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return $this->sequenceName;
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}
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/**
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* setInheritanceMap
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* @param array $inheritanceMap
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* @return void
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*/
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final public function setInheritanceMap(array $inheritanceMap) {
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$this->inheritanceMap = $inheritanceMap;
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}
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/**
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* @return array inheritance map (array keys as fields)
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*/
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final public function getInheritanceMap() {
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return $this->inheritanceMap;
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}
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/**
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* return all composite paths in the form [component1].[component2]. . .[componentN]
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* @return array
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*/
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final public function getCompositePaths() {
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$array = array();
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$name = $this->getComponentName();
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foreach($this->bound as $k=>$a) {
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try {
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$fk = $this->getForeignKey($k);
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switch($fk->getType()):
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case Doctrine_Relation::ONE_COMPOSITE:
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case Doctrine_Relation::MANY_COMPOSITE:
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$n = $fk->getTable()->getComponentName();
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$array[] = $name.".".$n;
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$e = $fk->getTable()->getCompositePaths();
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if( ! empty($e)) {
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foreach($e as $name) {
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$array[] = $name.".".$n.".".$name;
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}
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}
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break;
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endswitch;
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} catch(InvalidKeyException $e) {
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}
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}
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return $array;
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}
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/**
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* returns all bound relations
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*
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* @return array
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*/
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final public function getBounds() {
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return $this->bound;
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}
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/**
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* returns a bound relation array
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*
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* @param string $name
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* @return array
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*/
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final public function getBound($name) {
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if( ! isset($this->bound[$name]))
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throw new InvalidKeyException();
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return $this->bound[$name];
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}
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/**
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* returns a bound relation array
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*
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* @param string $name
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* @return array
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*/
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final public function getBoundForName($name) {
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foreach($this->bound as $k => $bound) {
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if($bound[3] == $name) {
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return $this->bound[$k];
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}
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}
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throw new InvalidKeyException();
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}
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/**
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* returns the alias for given component name
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*
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* @param string $name
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* @return string
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*/
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final public function getAlias($name) {
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if(isset($this->boundAliases[$name]))
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return $this->boundAliases[$name];
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return $name;
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}
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/**
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* returns component name for given alias
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*
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* @param string $alias
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* @return string
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*/
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final public function getAliasName($alias) {
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if($name = array_search($this->boundAliases,$alias))
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return $name;
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throw new InvalidKeyException();
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}
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/**
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* unbinds all relations
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*
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* @return void
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*/
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final public function unbindAll() {
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$this->bound = array();
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$this->relations = array();
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$this->boundAliases = array();
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}
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/**
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* unbinds a relation
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* returns true on success, false on failure
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*
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* @param $name
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* @return boolean
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*/
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final public function unbind() {
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if( ! isset($this->bound[$name]))
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return false;
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unset($this->bound[$name]);
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if(isset($this->relations[$name]))
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unset($this->relations[$name]);
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if(isset($this->boundAliases[$name]))
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unset($this->boundAliases[$name]);
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return true;
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}
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/**
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* binds a relation
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*
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* @param string $name
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* @param string $field
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* @return void
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*/
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final public function bind($name,$field,$type,$localKey) {
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if(isset($this->relations[$name]))
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throw new InvalidKeyException();
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$e = explode(" as ",$name);
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$name = $e[0];
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if(isset($e[1])) {
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$alias = $e[1];
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$this->boundAliases[$name] = $alias;
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} else
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$alias = $name;
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$this->bound[$alias] = array($field,$type,$localKey,$name);
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}
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/**
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* getComponentName
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* @return string the component name
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*/
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final public function getComponentName() {
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return $this->name;
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}
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/**
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* @return Doctrine_Session
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*/
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final public function getSession() {
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return $this->session;
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}
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/**
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* @return Doctrine_Cache
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*/
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final public function getCache() {
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return $this->cache;
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}
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/**
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* @param string $name component name of which a foreign key object is bound
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* @return Doctrine_Relation
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*/
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final public function getForeignKey($name) {
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if(isset($this->relations[$name]))
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return $this->relations[$name];
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if(isset($this->bound[$name])) {
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$type = $this->bound[$name][1];
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$local = $this->bound[$name][2];
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list($component, $foreign) = explode(".",$this->bound[$name][0]);
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$alias = $name;
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$name = $this->bound[$alias][3];
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$table = $this->session->getTable($name);
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if($component == $this->name || in_array($component, $this->parents)) {
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// ONE-TO-ONE
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if($type == Doctrine_Relation::ONE_COMPOSITE ||
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$type == Doctrine_Relation::ONE_AGGREGATE) {
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if( ! isset($local))
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$local = $table->getIdentifier();
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$relation = new Doctrine_LocalKey($table,$foreign,$local,$type);
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} else
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throw new Doctrine_Mapping_Exception("Only one-to-one relations are possible when local reference key is used.");
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} elseif($component == $name || ($component == $alias && $name == $this->name)) {
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if( ! isset($local))
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$local = $this->identifier;
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// ONE-TO-MANY or ONE-TO-ONE
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$relation = new Doctrine_ForeignKey($table,$local,$foreign,$type);
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} else {
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// MANY-TO-MANY
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// only aggregate relations allowed
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if($type != Doctrine_Relation::MANY_AGGREGATE)
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throw new Doctrine_Mapping_Exception("Only aggregate relations are allowed for many-to-many relations");
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$classes = array_merge($this->parents, array($this->name));
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foreach(array_reverse($classes) as $class) {
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try {
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$bound = $table->getBoundForName($class);
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break;
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} catch(InvalidKeyException $exc) { }
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}
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if( ! isset($local))
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$local = $this->identifier;
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$e2 = explode(".",$bound[0]);
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$fields = explode("-",$e2[1]);
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if($e2[0] != $component)
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throw new Doctrine_Mapping_Exception($e2[0]." doesn't match ".$component);
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$associationTable = $this->session->getTable($e2[0]);
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if(count($fields) > 1) {
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// SELF-REFERENCING THROUGH JOIN TABLE
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$this->relations[$e2[0]] = new Doctrine_ForeignKey($associationTable,$local,$fields[0],Doctrine_Relation::MANY_COMPOSITE);
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$relation = new Doctrine_Association($table,$associationTable,$fields[0],$fields[1],$type);
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} else {
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// NORMAL MANY-TO-MANY RELATIONSHIP
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$this->relations[$e2[0]] = new Doctrine_ForeignKey($associationTable,$local,$e2[1],Doctrine_Relation::MANY_COMPOSITE);
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$relation = new Doctrine_Association($table,$associationTable,$e2[1],$foreign,$type);
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}
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}
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$this->relations[$alias] = $relation;
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return $this->relations[$alias];
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}
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throw new InvalidKeyException();
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}
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/**
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* returns an array containing all foreign key objects
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*
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* @return array
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*/
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final public function getForeignKeys() {
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$a = array();
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foreach($this->bound as $k=>$v) {
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$this->getForeignKey($k);
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}
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|
|
return $this->relations;
|
|
}
|
|
/**
|
|
* sets the database table name
|
|
*
|
|
* @param string $name database table name
|
|
* @return void
|
|
*/
|
|
final public function setTableName($name) {
|
|
$this->tableName = $name;
|
|
}
|
|
|
|
/**
|
|
* returns the database table name
|
|
*
|
|
* @return string
|
|
*/
|
|
final public function getTableName() {
|
|
return $this->tableName;
|
|
}
|
|
/**
|
|
* create
|
|
* creates a new record
|
|
*
|
|
* @param $array an array where keys are field names and values representing field values
|
|
* @return Doctrine_Record
|
|
*/
|
|
public function create(array $array = array()) {
|
|
$this->data = $array;
|
|
$this->isNewEntry = true;
|
|
$record = new $this->name($this);
|
|
$this->isNewEntry = false;
|
|
$this->data = array();
|
|
return $record;
|
|
}
|
|
/**
|
|
* finds a record by its identifier
|
|
*
|
|
* @param $id database row id
|
|
* @throws Doctrine_Find_Exception
|
|
* @return Doctrine_Record a record for given database identifier
|
|
*/
|
|
public function find($id) {
|
|
if($id !== null) {
|
|
if( ! is_array($id))
|
|
$id = array($id);
|
|
else
|
|
$id = array_values($id);
|
|
|
|
$query = $this->query." WHERE ".implode(" = ? AND ",$this->primaryKeys)." = ?";
|
|
$query = $this->applyInheritance($query);
|
|
|
|
|
|
$params = array_merge($id, array_values($this->inheritanceMap));
|
|
|
|
$stmt = $this->session->execute($query,$params);
|
|
|
|
$this->data = $stmt->fetch(PDO::FETCH_ASSOC);
|
|
|
|
if($this->data === false)
|
|
return false;
|
|
}
|
|
return $this->getRecord();
|
|
}
|
|
/**
|
|
* applyInheritance
|
|
* @param $where query where part to be modified
|
|
* @return string query where part with column aggregation inheritance added
|
|
*/
|
|
final public function applyInheritance($where) {
|
|
if( ! empty($this->inheritanceMap)) {
|
|
$a = array();
|
|
foreach($this->inheritanceMap as $field => $value) {
|
|
$a[] = $field." = ?";
|
|
}
|
|
$i = implode(" AND ",$a);
|
|
$where .= " AND $i";
|
|
}
|
|
return $where;
|
|
}
|
|
/**
|
|
* findAll
|
|
* returns a collection of records
|
|
*
|
|
* @return Doctrine_Collection
|
|
*/
|
|
public function findAll() {
|
|
$graph = new Doctrine_Query($this->session);
|
|
$users = $graph->query("FROM ".$this->name);
|
|
return $users;
|
|
}
|
|
/**
|
|
* findBySql
|
|
* finds records with given sql where clause
|
|
* returns a collection of records
|
|
*
|
|
* @param string $sql SQL after WHERE clause
|
|
* @param array $params query parameters
|
|
* @return Doctrine_Collection
|
|
*/
|
|
public function findBySql($sql, array $params = array()) {
|
|
$q = new Doctrine_Query($this->session);
|
|
$users = $q->query("FROM ".$this->name." WHERE ".$sql, $params);
|
|
return $users;
|
|
}
|
|
/**
|
|
* clear
|
|
* clears the first level cache (identityMap)
|
|
*
|
|
* @return void
|
|
*/
|
|
public function clear() {
|
|
$this->identityMap = array();
|
|
}
|
|
/**
|
|
* getRecord
|
|
* first checks if record exists in identityMap, if not
|
|
* returns a new record
|
|
*
|
|
* @return Doctrine_Record
|
|
*/
|
|
public function getRecord() {
|
|
$key = $this->getIdentifier();
|
|
|
|
if( ! is_array($key))
|
|
$key = array($key);
|
|
|
|
|
|
foreach($key as $k) {
|
|
if( ! isset($this->data[$k]))
|
|
throw new Doctrine_Exception("No primary key found");
|
|
|
|
$id[] = $this->data[$k];
|
|
}
|
|
|
|
$id = implode(' ', $id);
|
|
|
|
if(isset($this->identityMap[$id]))
|
|
$record = $this->identityMap[$id];
|
|
else {
|
|
/**
|
|
if($this->createsChildren) {
|
|
|
|
}
|
|
*/
|
|
$record = new $this->name($this);
|
|
$this->identityMap[$id] = $record;
|
|
}
|
|
$this->data = array();
|
|
|
|
return $record;
|
|
}
|
|
/**
|
|
* @param $id database row id
|
|
* @throws Doctrine_Find_Exception
|
|
* @return DAOProxy a proxy for given identifier
|
|
*/
|
|
final public function getProxy($id = null) {
|
|
if($id !== null) {
|
|
$query = "SELECT ".implode(", ",$this->primaryKeys)." FROM ".$this->getTableName()." WHERE ".implode(" = ? && ",$this->primaryKeys)." = ?";
|
|
$query = $this->applyInheritance($query);
|
|
|
|
$params = array_merge(array($id), array_values($this->inheritanceMap));
|
|
|
|
$this->data = $this->session->execute($query,$params)->fetch(PDO::FETCH_ASSOC);
|
|
|
|
if($this->data === false)
|
|
throw new Doctrine_Find_Exception();
|
|
}
|
|
return $this->getRecord();
|
|
}
|
|
/**
|
|
* getTableDescription
|
|
* @return Doctrine_Table_Description
|
|
*/
|
|
final public function getTableDescription() {
|
|
return $this->columns;
|
|
}
|
|
/**
|
|
* @return Doctrine_Query a Doctrine_Query object
|
|
*/
|
|
public function getQueryObject() {
|
|
$graph = new Doctrine_Query($this->getSession());
|
|
$graph->load($this->getComponentName());
|
|
return $graph;
|
|
}
|
|
/**
|
|
* execute
|
|
* @param string $query
|
|
* @param array $array
|
|
* @param integer $limit
|
|
* @param integer $offset
|
|
*/
|
|
public function execute($query, array $array = array(), $limit = null, $offset = null) {
|
|
$coll = new Doctrine_Collection($this);
|
|
$query = $this->session->modifyLimitQuery($query,$limit,$offset);
|
|
if( ! empty($array)) {
|
|
$stmt = $this->session->getDBH()->prepare($query);
|
|
$stmt->execute($array);
|
|
} else {
|
|
$stmt = $this->session->getDBH()->query($query);
|
|
}
|
|
$data = $stmt->fetchAll(PDO::FETCH_ASSOC);
|
|
$stmt->closeCursor();
|
|
|
|
foreach($data as $row) {
|
|
$this->data = $row;
|
|
$record = $this->getRecord();
|
|
$coll->add($record);
|
|
}
|
|
return $coll;
|
|
}
|
|
/**
|
|
* @return integer
|
|
*/
|
|
final public function getColumnCount() {
|
|
return $this->columnCount;
|
|
}
|
|
/**
|
|
* returns all columns and their definitions
|
|
*
|
|
* @return array
|
|
*/
|
|
final public function getColumns() {
|
|
return $this->columns;
|
|
}
|
|
/**
|
|
* returns an array containing all the column names
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getColumnNames() {
|
|
return array_keys($this->columns);
|
|
}
|
|
/**
|
|
* getTypeOf
|
|
*/
|
|
public function getTypeOf($column) {
|
|
if(isset($this->columns[$column]))
|
|
return $this->columns[$column][0];
|
|
}
|
|
/**
|
|
* setData
|
|
* doctrine uses this function internally
|
|
* users are strongly discouraged to use this function
|
|
*
|
|
* @param array $data internal data
|
|
* @return void
|
|
*/
|
|
public function setData(array $data) {
|
|
$this->data = $data;
|
|
}
|
|
/**
|
|
* returns the maximum primary key value
|
|
*
|
|
* @return integer
|
|
*/
|
|
final public function getMaxIdentifier() {
|
|
$sql = "SELECT MAX(".$this->getIdentifier().") FROM ".$this->getTableName();
|
|
$stmt = $this->session->getDBH()->query($sql);
|
|
$data = $stmt->fetch(PDO::FETCH_NUM);
|
|
return isset($data[0])?$data[0]:1;
|
|
}
|
|
/**
|
|
* return whether or not a newly created object is new or not
|
|
*
|
|
* @return boolean
|
|
*/
|
|
final public function isNewEntry() {
|
|
return $this->isNewEntry;
|
|
}
|
|
/**
|
|
* returns simple cached query
|
|
*
|
|
* @return string
|
|
*/
|
|
final public function getQuery() {
|
|
return $this->query;
|
|
}
|
|
/**
|
|
* returns internal data, used by Doctrine_Record instances
|
|
* when retrieving data from database
|
|
*
|
|
* @return array
|
|
*/
|
|
final public function getData() {
|
|
return $this->data;
|
|
}
|
|
/**
|
|
* returns a string representation of this object
|
|
*
|
|
* @return string
|
|
*/
|
|
public function __toString() {
|
|
return Doctrine_Lib::getTableAsString($this);
|
|
}
|
|
}
|
|
?>
|