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mirror of synced 2024-12-14 07:06:04 +03:00
doctrine2/lib/Doctrine/Table.php

1142 lines
32 KiB
PHP

<?php
/**
* A table object holds all the information (meta data) of a database table and it's relations
* These informations are needed for the proper object-relational mapping of the domain classes.
*
* @package Doctrine
* @author Roman Borschel <roman@code-factory.org>
*/
class Doctrine_Table extends Doctrine_Configurable implements Serializable
{
/**
* The name of the domain class that is mapped to the database table with this metadata.
* Note: In Single Table Inheritance this will be the name of the root class of the
* hierarchy (the one that gets the database table).
*/
protected $_domainClassName;
protected $_conn;
/**
* @var mixed $identifier The field names of all fields that are part of the identifier/primary key
* of the described component.
*/
protected $_identifier = array();
/**
* The identifier type of the component.
*
* @see Doctrine_Identifier constants
* @var integer $identifierType
*/
protected $_identifierType;
/**
*
*/
protected $_inheritanceType = Doctrine::INHERITANCETYPE_TABLE_PER_CLASS;
/**
* @see Doctrine_Template
* @var array $_templates an array containing all templates attached to this table
*/
protected $_templates = array();
/**
* @see Doctrine_Record_Filter
* @var array $_filters an array containing all record filters attached to this table
*/
protected $_filters = array();
/**
* @see Doctrine_Record_Generator
* @var array $_generators an array containing all generators attached to this table
*/
protected $_generators = array();
/**
* @var array $columns an array of column definitions,
* keys are column names and values are 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 $_fieldNames an array of field names. used to look up field names
* from column names.
* keys are column names and values are field names
*/
protected $_fieldNames = array();
/**
*
* @var array $_columnNames an array of column names
* keys are field names and values column names.
* used to look up column names from field names.
* this is the reverse lookup map of $_fieldNames.
*/
protected $_columnNames = array();
/**
* @var Doctrine_Tree $tree tree object associated with this table
*/
protected $_tree;
/**
* @var integer $columnCount cached column count, Doctrine_Record uses this column count in when
* determining its state
*/
protected $columnCount;
/**
* @var boolean $hasDefaultValues whether or not this table has default values
*/
protected $hasDefaultValues;
/**
* @var Doctrine_Relation_Parser $_parser relation parser object
*/
protected $_parser;
/**
* @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 contains the mapping of the discriminator column (which discriminator value identifies
* which class). Used in Single & Class Table Inheritance.
*
* -- 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
*
* -- queryParts the bound query parts
*
* -- versioning
*/
protected $_options = array(
'tableName' => null,
'sequenceName' => null,
'inheritanceType' => null,
'inheritanceMap' => array(),
'enumMap' => array(),
'type' => null,
'charset' => null,
'collation' => null,
'collate' => null,
'treeImpl' => null,
'treeOptions' => null,
'subclasses' => null,
'queryParts' => array(),
'indexes' => array(),
'parents' => array(),
'joinedParents' => array()
);
/**
* Constructs a new table object.
*/
public function __construct($domainClassName, Doctrine_Connection $conn)
{
$this->_domainClassName = $domainClassName;
$this->_conn = $conn;
$this->_parser = new Doctrine_Relation_Parser($this);
$this->_filters[] = new Doctrine_Record_Filter_Standard();
$this->setParent($this->_conn);
}
public function getConnection()
{
return $this->_conn;
}
/**
* Gets the owner of a column.
* The owner of a column is the name of the component in a hierarchy that
* defines the column.
*
* @param string $columnName The column name
* @return string The name of the owning/defining component
*/
public function getColumnOwner($columnName)
{
if (isset($this->_columns[$columnName]['owner'])) {
return $this->_columns[$columnName]['owner'];
} else {
return $this->getComponentName();
}
}
/**
* getComponentName
*
* @return void
*/
public function getComponentName()
{
//return $this->_options['name'];
return $this->_domainClassName;
}
/**
* Checks whether a column is inherited from a component further up in the hierarchy.
*
* @param $columnName The column name
* @return boolean TRUE if column is inherited, FALSE otherwise.
*/
public function isInheritedColumn($columnName)
{
return (isset($this->_columns[$columnName]['owner']));
}
/**
* Checks whether a field is part of the table identifier/primary key field(s).
*
* @param string $fieldName The field name
* @return boolean TRUE if the field is part of the table identifier/primary key field(s),
* FALSE otherwise.
*/
public function isIdentifier($fieldName)
{
return ($fieldName === $this->getIdentifier() ||
in_array($fieldName, (array) $this->getIdentifier()));
}
/**
* 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;
}
/**
* 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;
}
/**
* getOptions
* returns all options of this table and the associated values
*
* @return array all options and their values
*/
public function getOptions()
{
return $this->_options;
}
/**
* 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 $alias column alias
* @return string column name
*/
public function getColumnName($fieldName)
{
if (isset($this->_columnNames[$fieldName])) {
return $this->_columnNames[$fieldName];
}
return $fieldName;
}
/**
*
*
*/
public function getColumnDefinition($columnName)
{
if ( ! isset($this->_columns[$columnName])) {
return false;
}
return $this->_columns[$columnName];
}
/**
* getColumnAlias
*
* returns a column alias for a column name
* if no alias can be found the column name is returned.
*
* @param string $columnName column name
* @return string column alias
*/
public function getFieldName($columnName)
{
if (isset($this->_fieldNames[$columnName])) {
return $this->_fieldNames[$columnName];
}
return $columnName;
}
public function setColumns(array $definitions)
{
foreach ($definitions as $name => $options) {
$this->setColumn($name, $options['type'], $options['length'], $options);
}
}
/**
* setColumn
*
* @param string $name
* @param string $type
* @param integer $length
* @param mixed $options
* @param boolean $prepend Whether to prepend or append the new column to the column list.
* By default the column gets appended.
* @throws Doctrine_Table_Exception if trying use wrongly typed parameter
* @return void
*/
public function setColumn($name, $type, $length = null, $options = array(), $prepend = false)
{
if (is_string($options)) {
$options = explode('|', $options);
}
foreach ($options as $k => $option) {
if (is_numeric($k)) {
if ( ! empty($option)) {
$options[$option] = true;
}
unset($options[$k]);
}
}
// extract column name & field name
$parts = explode(' as ', $name);
if (count($parts) > 1) {
$fieldName = $parts[1];
} else {
$fieldName = $parts[0];
}
$name = strtolower($parts[0]);
if ($prepend) {
$this->_columnNames = array_merge(array($fieldName => $name), $this->_columnNames);
$this->_fieldNames = array_merge(array($name => $fieldName), $this->_fieldNames);
} else {
$this->_columnNames[$fieldName] = $name;
$this->_fieldNames[$name] = $fieldName;
}
if ($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;
}
}
$options['type'] = $type;
$options['length'] = $length;
if ($prepend) {
$this->_columns = array_merge(array($name => $options), $this->_columns);
} else {
$this->_columns[$name] = $options;
}
if ( ! empty($options['primary'])) {
if (isset($this->_identifier)) {
$this->_identifier = $this->_identifier;
}
if ( ! in_array($fieldName, (array) $this->_identifier)) {
$this->_identifier[] = $fieldName;
}
}
if (isset($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 $fieldName
* @return mixed
*/
public function getDefaultValueOf($fieldName)
{
$columnName = $this->getColumnName($fieldName);
if ( ! isset($this->_columns[$columnName])) {
throw new Doctrine_Table_Exception("Couldn't get default value. Column ".$columnName." doesn't exist.");
}
if (isset($this->_columns[$columnName]['default'])) {
return $this->_columns[$columnName]['default'];
} else {
return null;
}
}
/**
* @return mixed
*/
public function getIdentifier()
{
return $this->_identifier;
}
public function setIdentifier($identifier)
{
$this->_identifier = $identifier;
}
/**
* @return integer
*/
public function getIdentifierType()
{
return $this->_identifierType;
}
public function setIdentifierType($type)
{
$this->_identifierType = $type;
}
/**
* hasColumn
* @return boolean
*/
public function hasColumn($columnName)
{
return isset($this->_columns[$columnName]);
}
/**
* hasField
* @return boolean
*/
public function hasField($fieldName)
{
return isset($this->_columnNames[$fieldName]);
}
/**
* @param string $fieldName
* @return array
*/
public function getEnumValues($fieldName)
{
$columnName = $this->getColumnName($fieldName);
if (isset($this->_columns[$columnName]['values'])) {
return $this->_columns[$columnName]['values'];
} else {
return array();
}
}
/**
* enumValue
*
* @param string $field
* @param integer $index
* @return mixed
*/
public function enumValue($fieldName, $index)
{
if ($index instanceof Doctrine_Null) {
return $index;
}
$columnName = $this->getColumnName($fieldName);
if ( ! $this->_conn->getAttribute(Doctrine::ATTR_USE_NATIVE_ENUM) &&
isset($this->_columns[$columnName]['values'][$index])) {
return $this->_columns[$columnName]['values'][$index];
}
return $index;
}
/**
* enumIndex
*
* @param string $field
* @param mixed $value
* @return mixed
*/
public function enumIndex($fieldName, $value)
{
$values = $this->getEnumValues($fieldName);
$index = array_search($value, $values);
if ($index === false || ! $this->_conn->getAttribute(Doctrine::ATTR_USE_NATIVE_ENUM)) {
return $index;
}
return $value;
}
/**
* getColumnCount
*
* @return integer the number of columns in this table
*/
public function getColumnCount()
{
return $this->columnCount;
}
public function setColumnCount($count)
{
$this->columnCount = $count;
}
/**
* returns all columns and their definitions
*
* @return array
*/
public function getColumns()
{
return $this->_columns;
}
/**
* removeColumn
* removes given column
*
* @return boolean
*/
public function removeColumn($fieldName)
{
$columnName = array_search($fieldName, $this->_fieldNames);
unset($this->_fieldNames[$columnName]);
if (isset($this->_columns[$columnName])) {
unset($this->_columns[$columnName]);
return true;
}
$this->columnCount--;
return false;
}
/**
* returns an array containing all the column names.
*
* @return array
*/
public function getColumnNames(array $fieldNames = null)
{
if ($fieldNames === null) {
return array_keys($this->_columns);
} else {
$columnNames = array();
foreach ($fieldNames as $fieldName) {
$columnNames[] = $this->getColumnName($fieldName);
}
return $columnNames;
}
}
/**
* returns an array with all the identifier column names.
*
* @return array
*/
public function getIdentifierColumnNames()
{
return $this->getColumnNames((array) $this->getIdentifier());
}
/**
* returns an array containing all the field names.
*
* @return array
*/
public function getFieldNames()
{
return array_values($this->_fieldNames);
}
/**
* getDefinitionOf
*
* @return mixed array on success, false on failure
*/
public function getDefinitionOf($fieldName)
{
$columnName = $this->getColumnName($fieldName);
return $this->getColumnDefinition($columnName);
}
/**
* getTypeOf
*
* @return mixed string on success, false on failure
*/
public function getTypeOf($fieldName)
{
return $this->getTypeOfColumn($this->getColumnName($fieldName));
}
/**
* getTypeOfColumn
*
* @return mixed The column type or FALSE if the type cant be determined.
*/
public function getTypeOfColumn($columnName)
{
return isset($this->_columns[$columnName]) ? $this->_columns[$columnName]['type'] : false;
}
/**
* getTableName
*
* @return void
*/
public function getTableName()
{
return $this->_options['tableName'];
}
public function bindRelation($args, $type)
{
return $this->bind($args, $type);
}
/**
* DESCRIBE WHAT THIS METHOD DOES, PLEASE!
*
* @todo Name proposal: addRelation
*/
public function bind($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->getOption('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);
}
public function getRelationParser()
{
return $this->_parser;
}
/**
* getRelations
* returns an array containing all relation objects
*
* @return array an array of Doctrine_Relation objects
*/
public function getRelations()
{
return $this->_parser->getRelations();
}
/**
* getTemplates
* returns all templates attached to this table
*
* @return array an array containing all templates
*/
public function getTemplates()
{
return $this->_templates;
}
public function getInheritanceType()
{
return $this->_inheritanceType;
}
public function setInheritanceType($type)
{
$this->_inheritanceType = $type;
}
/**
* 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 an array with the DDL for this table object.
*
* @return array
* @todo move to Table
*/
public function getExportableFormat($parseForeignKeys = true)
{
$columns = array();
$primary = array();
foreach ($this->getColumns() as $name => $definition) {
switch ($definition['type']) {
case 'enum':
if (isset($definition['default'])) {
$definition['default'] = $this->enumIndex($name, $definition['default']);
}
break;
case 'boolean':
if (isset($definition['default'])) {
$definition['default'] = $this->_conn->convertBooleans($definition['default']);
}
break;
}
$columns[$name] = $definition;
if (isset($definition['primary']) && $definition['primary']) {
$primary[] = $name;
}
}
$options['foreignKeys'] = array();
if ($parseForeignKeys && $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));
}
/**
* getTemplate
*
* @param string $template
* @return void
*/
public function getTemplate($template)
{
if ( ! isset($this->_templates[$template])) {
throw new Doctrine_Table_Exception('Template ' . $template . ' not loaded');
}
return $this->_templates[$template];
}
public function hasTemplate($template)
{
return isset($this->_templates[$template]);
}
public function addTemplate($template, Doctrine_Template $impl)
{
$this->_templates[$template] = $impl;
return $this;
}
public function getGenerators()
{
return $this->_generators;
}
public function getGenerator($generator)
{
if ( ! isset($this->_generators[$generator])) {
throw new Doctrine_Table_Exception('Generator ' . $generator . ' not loaded');
}
return $this->_generators[$plugin];
}
public function hasGenerator($generator)
{
return isset($this->_generators[$generator]);
}
public function addGenerator(Doctrine_Record_Generator $generator, $name = null)
{
if ($name === null) {
$this->_generators[] = $generator;
} else {
$this->_generators[$name] = $generator;
}
return $this;
}
/**
* unshiftFilter
*
* @param object Doctrine_Record_Filter $filter
* @return object $this
*/
public function unshiftFilter(Doctrine_Record_Filter $filter)
{
$filter->setTable($this);
$filter->init();
array_unshift($this->_filters, $filter);
return $this;
}
/**
* getTree
*
* getter for associated tree
*
* @return mixed if tree return instance of Doctrine_Tree, otherwise returns false
*/
public function getTree()
{
if ($this->getOption('treeImpl')) {
if ( ! $this->_tree) {
$options = $this->getOption('treeOptions') ? $this->getOption('treeOptions') : array();
$this->_tree = Doctrine_Tree::factory($this,
$this->getOption('treeImpl'), $options);
}
return $this->_tree;
}
return false;
}
/**
* isTree
*
* determine if table acts as tree
*
* @return mixed if tree return true, otherwise returns false
*/
public function isTree()
{
return ( ! is_null($this->getOption('treeImpl'))) ? true : false;
}
/**
* getFilters
*
* @return array $filters
*/
public function getFilters()
{
return $this->_filters;
}
/**
* bindQueryParts
* binds query parts to given component
*
* @param array $queryParts an array of pre-bound query parts
* @return Doctrine_Record this object
*/
public function bindQueryParts(array $queryParts)
{
$this->_options['queryParts'] = $queryParts;
return $this;
}
/**
* bindQueryPart
* binds given value to given query part
*
* @param string $queryPart
* @param mixed $value
* @return Doctrine_Record this object
*/
public function bindQueryPart($queryPart, $value)
{
$this->_options['queryParts'][$queryPart] = $value;
return $this;
}
/**
* getBoundQueryPart
*
* @param string $queryPart
* @return string $queryPart
*/
public function getBoundQueryPart($queryPart)
{
if ( ! isset($this->_options['queryParts'][$queryPart])) {
return null;
}
return $this->_options['queryParts'][$queryPart];
}
/**
* setTableName
*
* @param string $tableName
* @return void
*/
public function setTableName($tableName)
{
$this->setOption('tableName', $this->_conn->formatter->getTableName($tableName));
}
public function serialize()
{
return serialize($this->_columns);
}
public function unserialize($serialized)
{
return true;
}
public function __toString()
{
return spl_object_hash($this);
}
}