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PHP Mapping

Doctrine ORM also allows you to provide the ORM metadata in the form of plain PHP code using the ClassMetadata API. You can write the code in inside of a static function named loadMetadata($class) on the entity class itself.

Static Function

In addition to other drivers using configuration languages you can also programatically specify your mapping information inside of a static function defined on the entity class itself.

This is useful for cases where you want to keep your entity and mapping information together but don't want to use attributes. For this you just need to use the StaticPHPDriver:

1 <?php
use Doctrine\Persistence\Mapping\Driver\StaticPHPDriver;

$driver = new StaticPHPDriver('/path/to/entities');
$em->getConfiguration()->setMetadataDriverImpl($driver);
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Now you just need to define a static function named loadMetadata($metadata) on your entity:

1 <?php
namespace Entities;

use Doctrine\ORM\Mapping\ClassMetadata;

class User
{
    // ...

    public static function loadMetadata(ClassMetadata $metadata)
    {
        $metadata->mapField(array(
           'id' => true,
           'fieldName' => 'id',
           'type' => 'integer'
        ));

        $metadata->mapField(array(
           'fieldName' => 'username',
           'type' => 'string'
        ));
    }
}
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ClassMetadataBuilder

To ease the use of the ClassMetadata API (which is very raw) there is a ClassMetadataBuilder that you can use.

1 <?php
namespace Entities;

use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\ORM\Mapping\Builder\ClassMetadataBuilder;

class User
{
    // ...

    public static function loadMetadata(ClassMetadata $metadata)
    {
        $builder = new ClassMetadataBuilder($metadata);
        $builder->createField('id', 'integer')->isPrimaryKey()->generatedValue()->build();
        $builder->addField('username', 'string');
    }
}
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The API of the ClassMetadataBuilder has the following methods with a fluent interface:

addField($name, $type, array $mapping)
setMappedSuperclass()
setReadOnly()
setCustomRepositoryClass($className)
setTable($name)
addIndex(array $columns, $indexName)
addUniqueConstraint(array $columns, $constraintName)
setJoinedTableInheritance()
setSingleTableInheritance()
setDiscriminatorColumn($name, $type = 'string', $length = 255, $columnDefinition = null, $enumType = null, $options = [])
addDiscriminatorMapClass($name, $class)
setChangeTrackingPolicyDeferredExplicit()
addLifecycleEvent($methodName, $event)
addManyToOne($name, $targetEntity, $inversedBy = null)
addInverseOneToOne($name, $targetEntity, $mappedBy)
addOwningOneToOne($name, $targetEntity, $inversedBy = null)
addOwningManyToMany($name, $targetEntity, $inversedBy = null)
addInverseManyToMany($name, $targetEntity, $mappedBy)
addOneToMany($name, $targetEntity, $mappedBy)

It also has several methods that create builders (which are necessary for advanced mappings):

createField($name, $type) returns a FieldBuilder instance
createManyToOne($name, $targetEntity) returns an AssociationBuilder instance
createOneToOne($name, $targetEntity) returns an AssociationBuilder instance
createManyToMany($name, $targetEntity) returns an ManyToManyAssociationBuilder instance
createOneToMany($name, $targetEntity) returns an OneToManyAssociationBuilder instance

ClassMetadata API

The ClassMetadata class is the data object for storing the mapping metadata for a single entity. It contains all the getters and setters you need populate and retrieve information for an entity.

General Setters

setTableName($tableName)
setPrimaryTable(array $primaryTableDefinition)
setCustomRepositoryClass($repositoryClassName)
setIdGeneratorType($generatorType)
setIdGenerator($generator)
setSequenceGeneratorDefinition(array $definition)
setChangeTrackingPolicy($policy)
setIdentifier(array $identifier)

Inheritance Setters

setInheritanceType($type)
setSubclasses(array $subclasses)
setParentClasses(array $classNames)
setDiscriminatorColumn($columnDef)
setDiscriminatorMap(array $map)

Field Mapping Setters

mapField(array $mapping)
mapOneToOne(array $mapping)
mapOneToMany(array $mapping)
mapManyToOne(array $mapping)
mapManyToMany(array $mapping)

Lifecycle Callback Setters

addLifecycleCallback($callback, $event)
setLifecycleCallbacks(array $callbacks)

Versioning Setters

setVersionMapping(array &$mapping)
setVersioned($bool)
setVersionField()

General Getters

getTableName()
getSchemaName()
getTemporaryIdTableName()

Identifier Getters

getIdentifierColumnNames()
usesIdGenerator()
isIdentifier($fieldName)
isIdGeneratorIdentity()
isIdGeneratorSequence()
isIdGeneratorTable()
isIdentifierNatural()
getIdentifierFieldNames()
getSingleIdentifierFieldName()
getSingleIdentifierColumnName()

Inheritance Getters

isInheritanceTypeNone()
isInheritanceTypeJoined()
isInheritanceTypeSingleTable()
isInheritedField($fieldName)
isInheritedAssociation($fieldName)

Change Tracking Getters

isChangeTrackingDeferredExplicit()
isChangeTrackingDeferredImplicit()

Field & Association Getters

isUniqueField($fieldName)
isNullable($fieldName)
getColumnName($fieldName)
getFieldMapping($fieldName)
getAssociationMapping($fieldName)
getAssociationMappings()
getFieldName($columnName)
hasField($fieldName)
getColumnNames(array $fieldNames = null)
getTypeOfField($fieldName)
getTypeOfColumn($columnName)
hasAssociation($fieldName)
isSingleValuedAssociation($fieldName)
isCollectionValuedAssociation($fieldName)

Lifecycle Callback Getters

hasLifecycleCallbacks($lifecycleEvent)
getLifecycleCallbacks($event)

Runtime reflection methods

These are methods related to runtime reflection for working with the entities themselves.

getReflectionClass()
getReflectionProperties()
getReflectionProperty($name)
getSingleIdReflectionProperty()
getIdentifierValues($entity)
setIdentifierValues($entity, $id)
setFieldValue($entity, $field, $value)
getFieldValue($entity, $field)

1	<?php use Doctrine\Persistence\Mapping\Driver\StaticPHPDriver; $driver = new StaticPHPDriver('/path/to/entities'); $em->getConfiguration()->setMetadataDriverImpl($driver);
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1	<?php namespace Entities; use Doctrine\ORM\Mapping\ClassMetadata; class User { // ... public static function loadMetadata(ClassMetadata $metadata) { $metadata->mapField(array( 'id' => true, 'fieldName' => 'id', 'type' => 'integer' )); $metadata->mapField(array( 'fieldName' => 'username', 'type' => 'string' )); } }
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Maintained

Unmaintained