Source for file Table.php

Documentation is available at Table.php

<?php
/*
* $Id: Table.php 2279 2007-08-27 15:04:32Z Jonathan.Wage $
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.phpdoctrine.com>.
*/
/**
* Doctrine_Table represents a database table
* each Doctrine_Table holds the information of foreignKeys and associations
*
*
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @package Doctrine
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @version $Revision: 2279 $
* @category Object Relational Mapping
* @link www.phpdoctrine.com
* @since 1.0
*/
class Doctrine_Table extends Doctrine_Configurable implements Countable
{
/**
* @var array $data temporary data which is then loaded into Doctrine_Record::$data
*/
private $data = array();
/**
* @var array $primaryKeys an array containing all primary key column names
*/
private $primaryKeys = array();
/**
* @var mixed $identifier
*/
private $identifier;
/**
* @see Doctrine_Identifier constants
* @var integer $identifierType the type of identifier this table uses
*/
private $identifierType;
/**
* @var Doctrine_Connection $conn Doctrine_Connection object that created this table
*/
private $conn;
/**
* @var array $identityMap first level cache
*/
private $identityMap = array();
/**
* @var Doctrine_Table_Repository $repository record repository
*/
private $repository;
/**
* @var array $columns an array of column definitions,
* keys as column names and values as column definitions
*
* the definition array has atleast the following values:
*
* -- type the column type, eg. 'integer'
* -- length the column length, eg. 11
*
* additional keys:
* -- notnull whether or not the column is marked as notnull
* -- values enum values
* -- notblank notblank validator + notnull constraint
* ... many more
*/
protected $columns = array();
/**
* @var array $columnAliases an array of column aliases
* keys as column aliases and values as column names
*/
protected $columnAliases = array();
/**
* @var integer $columnCount cached column count, Doctrine_Record uses this column count in when
* determining its state
*/
private $columnCount;
/**
* @var boolean $hasDefaultValues whether or not this table has default values
*/
private $hasDefaultValues;
/**
* @var array $options an array containing all options
*
* -- name name of the component, for example component name of the GroupTable is 'Group'
*
* -- parents the parent classes of this component
*
* -- declaringClass name of the table definition declaring class (when using inheritance the class
* that defines the table structure can be any class in the inheritance hierarchy,
* hence we need reflection to check out which class actually calls setTableDefinition)
*
* -- tableName database table name, in most cases this is the same as component name but in some cases
* where one-table-multi-class inheritance is used this will be the name of the inherited table
*
* -- sequenceName Some databases need sequences instead of auto incrementation primary keys,
* you can set specific sequence for your table by calling setOption('sequenceName', $seqName)
* where $seqName is the name of the desired sequence
*
* -- enumMap enum value arrays
*
* -- inheritanceMap inheritanceMap is used for inheritance mapping, keys representing columns and values
* the column values that should correspond to child classes
*
* -- type table type (mysql example: INNODB)
*
* -- charset character set
*
* -- foreignKeys the foreign keys of this table
*
* -- checks the check constraints of this table, eg. 'price > dicounted_price'
*
* -- collation collation attribute
*
* -- indexes the index definitions of this table
*
* -- treeImpl the tree implementation of this table (if any)
*
* -- treeOptions the tree options
*
* -- versioning
*/
protected $options = array('name' => null,
'tableName' => null,
'sequenceName' => null,
'inheritanceMap' => array(),
'enumMap' => array(),
'engine' => null,
'charset' => null,
'collation' => null,
'treeImpl' => null,
'treeOptions' => null,
'indexes' => array(),
'parents' => array(),
'versioning' => null,
);
/**
* @var Doctrine_Tree $tree tree object associated with this table
*/
protected $tree;
/**
* @var Doctrine_Relation_Parser $_parser relation parser object
*/
protected $_parser;
/**
* @var array $_templates an array containing all templates attached to this table
*/
protected $_templates;
/**
* the constructor
* @throws Doctrine_Connection_Exception if there are no opened connections
* @throws Doctrine_Table_Exception if there is already an instance of this table
* @return void
*/
public function __construct($name, Doctrine_Connection $conn)
{
$this->conn = $conn;
$this->setParent($this->conn);
$this->options['name'] = $name;
$this->_parser = new Doctrine_Relation_Parser($this);
if ( ! class_exists($name) || empty($name)) {
throw new Doctrine_Exception("Couldn't find class " . $name);
}
$record = new $name($this);
$names = array();
$class = $name;
// get parent classes
do {
if ($class == "Doctrine_Record") {
break;
}
$name = $class;
$names[] = $name;
} while ($class = get_parent_class($class));
// reverse names
$names = array_reverse($names);
// save parents
array_pop($names);
$this->options['parents'] = $names;
// create database table
if (method_exists($record, 'setTableDefinition')) {
$record->setTableDefinition();
// get the declaring class of setTableDefinition method
$method = new ReflectionMethod($this->options['name'], 'setTableDefinition');
$class = $method->getDeclaringClass();
} else {
$class = new ReflectionClass($class);
}
$this->options['declaringClass'] = $class;
// set the table definition for the given tree implementation
if ($this->isTree()) {
$this->getTree()->setTableDefinition();
}
$this->columnCount = count($this->columns);
if ( ! isset($this->options['tableName'])) {
$this->options['tableName'] = Doctrine::tableize($class->getName());
}
switch (count($this->primaryKeys)) {
case 0:
$this->columns = array_merge(array('id' =>
array('type' => 'integer',
'length' => 20,
'autoincrement' => true,
'primary' => true)), $this->columns);
$this->primaryKeys[] = 'id';
$this->identifier = 'id';
$this->identifierType = Doctrine::IDENTIFIER_AUTOINC;
$this->columnCount++;
break;
default:
if (count($this->primaryKeys) > 1) {
$this->identifier = $this->primaryKeys;
$this->identifierType = Doctrine::IDENTIFIER_COMPOSITE;
} else {
foreach ($this->primaryKeys as $pk) {
$e = $this->columns[$pk];
$found = false;
foreach ($e as $option => $value) {
if ($found)
break;
$e2 = explode(':', $option);
switch (strtolower($e2[0])) {
case 'autoincrement':
case 'autoinc':
$this->identifierType = Doctrine::IDENTIFIER_AUTOINC;
$found = true;
break;
case 'seq':
case 'sequence':
$this->identifierType = Doctrine::IDENTIFIER_SEQUENCE;
$found = true;
if ($value) {
$this->options['sequenceName'] = $value;
} else {
if (($sequence = $this->getAttribute(Doctrine::ATTR_DEFAULT_SEQUENCE)) !== null) {
$this->options['sequenceName'] = $sequence;
} else {
$this->options['sequenceName'] = $this->conn->getSequenceName($this->options['tableName']);
}
}
break;
}
}
if ( ! isset($this->identifierType)) {
$this->identifierType = Doctrine::IDENTIFIER_NATURAL;
}
$this->identifier = $pk;
}
}
}
$record->setUp();
// if tree, set up tree
if ($this->isTree()) {
$this->getTree()->setUp();
}
$this->repository = new Doctrine_Table_Repository($this);
}
/**
* getTemplates
* returns all templates attached to this table
*
* @return array an array containing all templates
*/
public function getTemplates()
{
return $this->_templates;
}
/**
* export
* exports this table to database based on column and option definitions
*
* @throws Doctrine_Connection_Exception if some error other than Doctrine::ERR_ALREADY_EXISTS
* occurred during the create table operation
* @return boolean whether or not the export operation was successful
* false if table already existed in the database
*/
public function export()
{
$this->conn->export->exportTable($this);
}
/**
* getExportableFormat
* returns exportable presentation of this object
*
* @return array
*/
public function getExportableFormat($parseForeignKeys = true)
{
$columns = array();
$primary = array();
foreach ($this->getColumns() as $name => $column) {
$definition = $column;
switch ($definition['type']) {
case 'enum':
if (isset($definition['default'])) {
$definition['default'] = $this->enumIndex($name, $definition['default']);
}
break;
case 'boolean':
if (isset($definition['default'])) {
$definition['default'] = $this->getConnection()->convertBooleans($definition['default']);
}
break;
}
$columns[$name] = $definition;
if(isset($definition['primary']) && $definition['primary']) {
$primary[] = $name;
}
}
$options['foreignKeys'] = array();
if ($parseForeignKeys) {
if ($this->getAttribute(Doctrine::ATTR_EXPORT) & Doctrine::EXPORT_CONSTRAINTS) {
$constraints = array();
$emptyIntegrity = array('onUpdate' => null,
'onDelete' => null);
foreach ($this->getRelations() as $name => $relation) {
$fk = $relation->toArray();
$fk['foreignTable'] = $relation->getTable()->getTableName();
if ($relation->getTable() === $this && in_array($relation->getLocal(), $primary)) {
if ($relation->hasConstraint()) {
throw new Doctrine_Table_Exception("Badly constructed integrity constraints.");
}
continue;
}
$integrity = array('onUpdate' => $fk['onUpdate'],
'onDelete' => $fk['onDelete']);
if ($relation instanceof Doctrine_Relation_LocalKey) {
$def = array('local' => $relation->getLocal(),
'foreign' => $relation->getForeign(),
'foreignTable' => $relation->getTable()->getTableName());
if (($key = array_search($def, $options['foreignKeys'])) === false) {
$options['foreignKeys'][] = $def;
$constraints[] = $integrity;
} else {
if ($integrity !== $emptyIntegrity) {
$constraints[$key] = $integrity;
}
}
}
}
foreach ($constraints as $k => $def) {
$options['foreignKeys'][$k] = array_merge($options['foreignKeys'][$k], $def);
}
}
}
$options['primary'] = $primary;
return array('tableName' => $this->getOption('tableName'),
'columns' => $columns,
'options' => array_merge($this->getOptions(), $options));
}
/**
* exportConstraints
* exports the constraints of this table into database based on option definitions
*
* @throws Doctrine_Connection_Exception if something went wrong on db level
* @return void
*/
public function exportConstraints()
{
try {
$this->conn->beginTransaction();
foreach ($this->options['index'] as $index => $definition) {
$this->conn->export->createIndex($this->options['tableName'], $index, $definition);
}
$this->conn->commit();
} catch(Doctrine_Connection_Exception $e) {
$this->conn->rollback();
throw $e;
}
}
/**
* getRelationParser
* return the relation parser associated with this table
*
* @return Doctrine_Relation_Parser relation parser object
*/
public function getRelationParser()
{
return $this->_parser;
}
/**
* __get
* an alias for getOption
*
* @param string $option
*/
public function __get($option)
{
if (isset($this->options[$option])) {
return $this->options[$option];
}
return null;
}
/**
* __isset
*
* @param string $option
*/
public function __isset($option)
{
return isset($this->options[$option]);
}
/**
* getOptions
* returns all options of this table and the associated values
*
* @return array all options and their values
*/
public function getOptions()
{
return $this->options;
}
/**
* addForeignKey
*
* adds a foreignKey to this table
*
* @return void
*/
public function addForeignKey(array $definition)
{
$this->options['foreignKeys'][] = $definition;
}
/**
/**
* addCheckConstraint
*
* adds a check constraint to this table
*
* @return void
*/
public function addCheckConstraint($definition, $name)
{
if (is_string($name)) {
$this->options['checks'][$name] = $definition;
} else {
$this->options['checks'][] = $definition;
}
return $this;
}
/**
* addIndex
*
* adds an index to this table
*
* @return void
*/
public function addIndex($index, array $definition)
{
$this->options['indexes'][$index] = $definition;
}
/**
/**
* getIndex
*
* @return array|boolean array on success, FALSE on failure
*/
public function getIndex($index)
{
if (isset($this->options['indexes'][$index])) {
return $this->options['indexes'][$index];
}
return false;
}
public function bind($args, $type)
{
$options = array();
$options['type'] = $type;
if ( ! isset($args[1])) {
$args[1] = array();
}
// the following is needed for backwards compatibility
if (is_string($args[1])) {
if ( ! isset($args[2])) {
$args[2] = array();
} elseif (is_string($args[2])) {
$args[2] = (array) $args[2];
}
$classes = array_merge($this->options['parents'], array($this->getComponentName()));
$e = explode('.', $args[1]);
if (in_array($e[0], $classes)) {
if ($options['type'] >= Doctrine_Relation::MANY) {
$options['foreign'] = $e[1];
} else {
$options['local'] = $e[1];
}
} else {
$e2 = explode(' as ', $args[0]);
if ($e[0] !== $e2[0] && ( ! isset($e2[1]) || $e[0] !== $e2[1])) {
$options['refClass'] = $e[0];
}
$options['foreign'] = $e[1];
}
$options = array_merge($args[2], $options);
$this->_parser->bind($args[0], $options);
} else {
$options = array_merge($args[1], $options);
$this->_parser->bind($args[0], $options);
}
}
/**
* hasRelation
*
* @param string $alias the relation to check if exists
* @return boolean true if the relation exists otherwise false
*/
public function hasRelation($alias)
{
return $this->_parser->hasRelation($alias);
}
/**
* getRelation
*
* @param string $alias relation alias
*/
public function getRelation($alias, $recursive = true)
{
return $this->_parser->getRelation($alias, $recursive);
}
/**
* getRelations
* returns an array containing all relation objects
*
* @return array an array of Doctrine_Relation objects
*/
public function getRelations()
{
return $this->_parser->getRelations();
}
/**
* createQuery
* creates a new Doctrine_Query object and adds the component name
* of this table as the query 'from' part
*
* @return Doctrine_Query
*/
public function createQuery()
{
return Doctrine_Query::create()->from($this->getComponentName());
}
/**
* getRepository
*
* @return Doctrine_Table_Repository
*/
public function getRepository()
{
return $this->repository;
}
/**
* setOption
* sets an option and returns this object in order to
* allow flexible method chaining
*
* @see Doctrine_Table::$_options for available options
* @param string $name the name of the option to set
* @param mixed $value the value of the option
* @return Doctrine_Table this object
*/
public function setOption($name, $value)
{
switch ($name) {
case 'name':
case 'tableName':
break;
case 'enumMap':
case 'inheritanceMap':
case 'index':
case 'treeOptions':
if ( ! is_array($value)) {
throw new Doctrine_Table_Exception($name . ' should be an array.');
}
break;
}
$this->options[$name] = $value;
}
/**
* getOption
* returns the value of given option
*
* @param string $name the name of the option
* @return mixed the value of given option
*/
public function getOption($name)
{
if (isset($this->options[$name])) {
return $this->options[$name];
}
return null;
}
/**
* getColumnName
*
* returns a column name for column alias
* if the actual name for the alias cannot be found
* this method returns the given alias
*
* @param string $alias column alias
* @return string column name
*/
public function getColumnName($alias)
{
$alias = strtolower($alias);
if(isset($this->columnAliases[$alias])) {
return $this->columnAliases[$alias];
}
return $alias;
}
/**
* setColumn
*
* @param string $name
* @param string $type
* @param integer $length
* @param mixed $options
* @throws Doctrine_Table_Exception if trying use wrongly typed parameter
* @return void
*/
public function setColumn($name, $type, $length = null, $options = array())
{
if (is_string($options)) {
$options = explode('|', $options);
}
foreach ($options as $k => $option) {
if (is_numeric($k)) {
if ( ! empty($option)) {
$options[$option] = true;
}
unset($options[$k]);
}
}
$name = strtolower($name);
$parts = explode(' as ', $name);
if (count($parts) > 1) {
$this->columnAliases[$parts[1]] = $parts[0];
$name = $parts[0];
}
if ($length == null) {
switch ($type) {
case 'string':
case 'clob':
case 'float':
case 'integer':
case 'array':
case 'object':
case 'blob':
case 'gzip':
// use php int max
$length = 2147483647;
break;
case 'boolean':
$length = 1;
case 'date':
// YYYY-MM-DD ISO 8601
$length = 10;
case 'time':
// HH:NN:SS+00:00 ISO 8601
$length = 14;
case 'timestamp':
// YYYY-MM-DDTHH:MM:SS+00:00 ISO 8601
$length = 25;
break;
}
}
$this->columns[$name] = $options;
$this->columns[$name]['type'] = $type;
$this->columns[$name]['length'] = $length;
if (isset($options['primary'])) {
$this->primaryKeys[] = $name;
}
if (isset($options['default'])) {
$this->hasDefaultValues = true;
}
}
/**
* hasDefaultValues
* returns true if this table has default values, otherwise false
*
* @return boolean
*/
public function hasDefaultValues()
{
return $this->hasDefaultValues;
}
/**
* getDefaultValueOf
* returns the default value(if any) for given column
*
* @param string $column
* @return mixed
*/
public function getDefaultValueOf($column)
{
$column = strtolower($column);
if ( ! isset($this->columns[$column])) {
throw new Doctrine_Table_Exception("Couldn't get default value. Column ".$column." doesn't exist.");
}
if (isset($this->columns[$column]['default'])) {
return $this->columns[$column]['default'];
} else {
return null;
}
}
/**
* @return mixed
*/
public function getIdentifier()
{
return $this->identifier;
}
/**
* @return integer
*/
public function getIdentifierType()
{
return $this->identifierType;
}
/**
* hasColumn
* @return boolean
*/
public function hasColumn($name)
{
return isset($this->columns[$name]);
}
/**
* @param mixed $key
* @return void
*/
public function setPrimaryKey($key)
{
switch (gettype($key)) {
case "array":
$this->primaryKeys = array_values($key);
break;
case "string":
$this->primaryKeys[] = $key;
break;
};
}
/**
* returns all primary keys
* @return array
*/
public function getPrimaryKeys()
{
return $this->primaryKeys;
}
/**
* @return boolean
*/
public function hasPrimaryKey($key)
{
return in_array($key,$this->primaryKeys);
}
/**
* @return Doctrine_Connection
*/
public function getConnection()
{
return $this->conn;
}
/**
* 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;
$record = new $this->options['name']($this, true);
$this->data = array();
return $record;
}
/**
* finds a record by its identifier
*
* @param $id database row id
* @return Doctrine_Record|false a record for given database identifier
*/
public function find($id)
{
if ($id !== null) {
if ( ! is_array($id)) {
$id = array($id);
} else {
$id = array_values($id);
}
$records = Doctrine_Query::create()
->from($this->getComponentName())
->where(implode(' = ? AND ', $this->primaryKeys) . ' = ?')
->execute($id);
if (count($records) === 0) {
return false;
}
return $records->getFirst();
}
return false;
}
/**
* 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->options['inheritanceMap'])) {
$a = array();
foreach ($this->options['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->conn);
$users = $graph->query('FROM ' . $this->options['name']);
return $users;
}
/**
* findByDql
* finds records with given DQL where clause
* returns a collection of records
*
* @param string $dql DQL after WHERE clause
* @param array $params query parameters
* @return Doctrine_Collection
*/
public function findBySql($dql, array $params = array()) {
$q = new Doctrine_Query($this->conn);
$users = $q->query('FROM ' . $this->options['name'] . ' WHERE ' . $dql, $params);
return $users;
}
public function findByDql($dql, array $params = array()) {
return $this->findBySql($dql, $params);
}
/**
* clear
* clears the first level cache (identityMap)
*
* @return void
*/
public function clear()
{
$this->identityMap = array();
}
/**
* addRecord
* adds a record to identity map
*
* @param Doctrine_Record $record record to be added
* @return boolean
*/
public function addRecord(Doctrine_Record $record)
{
$id = implode(' ', $record->identifier());
if (isset($this->identityMap[$id])) {
return false;
}
$this->identityMap[$id] = $record;
return true;
}
/**
* getRecord
* first checks if record exists in identityMap, if not
* returns a new record
*
* @return Doctrine_Record
*/
public function getRecord()
{
if ( ! empty($this->data)) {
$this->data = array_change_key_case($this->data, CASE_LOWER);
$key = $this->getIdentifier();
if ( ! is_array($key)) {
$key = array($key);
}
$found = false;
foreach ($key as $k) {
if ( ! isset($this->data[$k])) {
// primary key column not found return new record
$found = true;
break;
}
$id[] = $this->data[$k];
}
if ($found) {
$recordName = $this->getClassnameToReturn();
$record = new $recordName($this, true);
$this->data = array();
return $record;
}
$id = implode(' ', $id);
if (isset($this->identityMap[$id])) {
$record = $this->identityMap[$id];
$record->hydrate($this->data);
} else {
$recordName = $this->getClassnameToReturn();
$record = new $recordName($this);
$this->identityMap[$id] = $record;
}
$this->data = array();
} else {
$recordName = $this->getClassnameToReturn();
$record = new $recordName($this, true);
}
return $record;
}
/**
* Get the classname to return. Most often this is just the options['name']
*
* Check the subclasses option and the inheritanceMap for each subclass to see
* if all the maps in a subclass is met. If this is the case return that
* subclass name. If no subclasses match or if there are no subclasses defined
* return the name of the class for this tables record.
*
* @todo this function could use reflection to check the first time it runs
* if the subclassing option is not set.
*
* @return string The name of the class to create
*
*/
public function getClassnameToReturn()
{
if (!isset($this->options['subclasses'])) {
return $this->options['name'];
}
foreach ($this->options['subclasses'] as $subclass) {
$table = $this->conn->getTable($subclass);
$inheritanceMap = $table->getOption('inheritanceMap');
$nomatch = false;
foreach ($inheritanceMap as $key => $value) {
if ( ! isset($this->data[$key]) || $this->data[$key] != $value) {
$nomatch = true;
break;
}
}
if ( ! $nomatch) {
return $table->getComponentName();
}
}
return $this->options['name'];
}
/**
* @param $id database row id
* @throws Doctrine_Find_Exception
*/
final public function getProxy($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->options['inheritanceMap']));
$this->data = $this->conn->execute($query, $params)->fetch(PDO::FETCH_ASSOC);
if ($this->data === false)
return false;
}
return $this->getRecord();
}
/**
* count
*
* @return integer
*/
public function count()
{
$a = $this->conn->execute('SELECT COUNT(1) FROM ' . $this->options['tableName'])->fetch(Doctrine::FETCH_NUM);
return current($a);
}
/**
* @return Doctrine_Query a Doctrine_Query object
*/
public function getQueryObject()
{
$graph = new Doctrine_Query($this->getConnection());
$graph->load($this->getComponentName());
return $graph;
}
/**
* @param string $field
* @return array
*/
public function getEnumValues($field)
{
if (isset($this->columns[$field]['values'])) {
return $this->columns[$field]['values'];
} else {
return array();
}
}
/**
* enumValue
*
* @param string $field
* @param integer $index
* @return mixed
*/
public function enumValue($field, $index)
{
if ($index instanceof Doctrine_Null)
return $index;
return isset($this->columns[$field]['values'][$index]) ? $this->columns[$field]['values'][$index] : $index;
}
/**
* enumIndex
*
* @param string $field
* @param mixed $value
* @return mixed
*/
public function enumIndex($field, $value)
{
$values = $this->getEnumValues($field);
return array_search($value, $values);
}
/**
* getColumnCount
*
* @return integer the number of columns in this table
*/
public function getColumnCount()
{
return $this->columnCount;
}
/**
* returns all columns and their definitions
*
* @return array
*/
public function getColumns()
{
return $this->columns;
}
/**
* returns an array containing all the column names
*
* @return array
*/
public function getColumnNames()
{
return array_keys($this->columns);
}
/**
* getDefinitionOf
*
* @return mixed array on success, false on failure
*/
public function getDefinitionOf($column)
{
if (isset($this->columns[$column])) {
return $this->columns[$column];
}
return false;
}
/**
* getTypeOf
*
* @return mixed string on success, false on failure
*/
public function getTypeOf($column)
{
if (isset($this->columns[$column])) {
return $this->columns[$column]['type'];
}
return false;
}
/**
* 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 internal data, used by Doctrine_Record instances
* when retrieving data from database
*
* @return array
*/
public function getData()
{
return $this->data;
}
/**
* prepareValue
* this method performs special data preparation depending on
* the type of the given column
*
* 1. It unserializes array and object typed columns
* 2. Uncompresses gzip typed columns
* 3. Gets the appropriate enum values for enum typed columns
* 4. Initializes special null object pointer for null values (for fast column existence checking purposes)
*
* example:
* <code type='php'>
* $field = 'name';
* $value = null;
* $table->prepareValue($field, $value); // Doctrine_Null
* </code>
*
* @throws Doctrine_Table_Exception if unserialization of array/object typed column fails or
* @throws Doctrine_Table_Exception if uncompression of gzip typed column fails *
* @param string $field the name of the field
* @param string $value field value
* @return mixed prepared value
*/
public function prepareValue($field, $value)
{
if ($value === self::$_null) {
return self::$_null;
} else if ($value === null) {
return null;
} else {
$type = $this->getTypeOf($field);
switch ($type) {
case 'array':
case 'object':
if (is_string($value)) {
$value = unserialize($value);
if ($value === false) {
throw new Doctrine_Table_Exception('Unserialization of ' . $field . ' failed.');
}
return $value;
}
break;
case 'gzip':
$value = gzuncompress($value);
if ($value === false) {
throw new Doctrine_Table_Exception('Uncompressing of ' . $field . ' failed.');
}
return $value;
break;
case 'enum':
return $this->enumValue($field, $value);
break;
case 'boolean':
return (boolean) $value;
break;
case 'integer':
// don't do any casting here PHP INT_MAX is smaller than what the databases support
break;
}
}
return $value;
}
/**
* getter for associated tree
*
* @return mixed if tree return instance of Doctrine_Tree, otherwise returns false
*/
public function getTree() {
if (isset($this->options['treeImpl'])) {
if ( ! $this->tree) {
$options = isset($this->options['treeOptions']) ? $this->options['treeOptions'] : array();
$this->tree = Doctrine_Tree::factory($this,
$this->options['treeImpl'],
$options
);
}
return $this->tree;
}
return false;
}
public function getComponentName()
{
return $this->options['name'];
}
public function getTableName()
{
return $this->options['tableName'];
}
public function setTableName($tableName)
{
$this->options['tableName'] = $tableName;
}
/**
* determine if table acts as tree
*
* @return mixed if tree return true, otherwise returns false
*/
public function isTree() {
return ( ! is_null($this->options['treeImpl'])) ? true : false;
}
public function getTemplate($template)
{
if ( ! isset($this->_templates[$template])) {
throw new Doctrine_Table_Exception('Template ' . $template . ' not loaded');
}
return $this->_templates[$template];
}
public function addTemplate($template, Doctrine_Template $impl)
{
$this->_templates[$template] = $impl;
}
/**
* returns a string representation of this object
*
* @return string
*/
public function __toString()
{
return Doctrine_Lib::getTableAsString($this);
}
}