Issue #1735118 by swentel, yched, xjm, larowlan, alexpott, tim.plunkett: Convert Field API to CMI.

core/modules/datetime/lib/Drupal/datetime/Plugin/field/widget/DatetimeDatelistWidget.php

@@ -12,7 +12,7 @@
 use Drupal\Component\Plugin\Discovery\DiscoveryInterface;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\field\Plugin\PluginSettingsBase;
-use Drupal\field\FieldInstance;
+use Drupal\field\Plugin\Core\Entity\FieldInstance;
 use Drupal\Core\Datetime\DrupalDateTime;
 use Drupal\datetime\DateHelper;
 

core/modules/datetime/lib/Drupal/datetime/Plugin/field/widget/DatetimeDefaultWidget.php

@@ -12,7 +12,7 @@
 use Drupal\Component\Plugin\Discovery\DiscoveryInterface;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\field\Plugin\PluginSettingsBase;
-use Drupal\field\FieldInstance;
+use Drupal\field\Plugin\Core\Entity\FieldInstance;
 use Drupal\Core\Datetime\DrupalDateTime;
 
 /**

core/modules/datetime/lib/Drupal/datetime/Tests/DateTimeFieldTest.php

@@ -48,13 +48,12 @@ function setUp() {
     $this->drupalLogin($web_user);
 
     // Create a field with settings to validate.
-    $this->field = array(
+    $this->field = field_create_field(array(
       'field_name' => drupal_strtolower($this->randomName()),
       'type' => 'datetime',
       'settings' => array('datetime_type' => 'date'),
-    );
-    field_create_field($this->field);
-    $this->instance = array(
+    ));
+    $this->instance = field_create_instance(array(
       'field_name' => $this->field['field_name'],
       'entity_type' => 'test_entity',
       'bundle' => 'test_bundle',
@@ -64,8 +63,7 @@ function setUp() {
       'settings' => array(
         'default_value' => 'blank',
       ),
-    );
-    field_create_instance($this->instance);
+    ));
 
     $this->display_options = array(
       'type' => 'datetime_default',
@@ -304,6 +302,7 @@ function testDefaultValue() {
 
     // Set the default value to 'blank'.
     $this->instance['settings']['default_value'] = 'blank';
+    $this->instance['default_value_function'] = 'datetime_default_value';
     field_update_instance($this->instance);
 
     // Display creation form.

core/modules/edit/lib/Drupal/edit/EditorBase.php

@@ -9,7 +9,7 @@
 
 use Drupal\Component\Plugin\PluginBase;
 use Drupal\edit\EditorInterface;
-use Drupal\field\FieldInstance;
+use Drupal\field\Plugin\Core\Entity\FieldInstance;
 
 /**
  * Defines a base editor (Create.js PropertyEditor widget) implementation.

core/modules/edit/lib/Drupal/edit/EditorInterface.php

@@ -8,7 +8,7 @@
 namespace Drupal\edit;
 
 use Drupal\Component\Plugin\PluginInspectionInterface;
-use Drupal\field\FieldInstance;
+use Drupal\field\Plugin\Core\Entity\FieldInstance;
 
 /**
  * Defines an interface for in-place editors (Create.js PropertyEditor widgets).

core/modules/edit/lib/Drupal/edit/EditorSelector.php

@@ -9,7 +9,7 @@
 
 use Drupal\Component\Plugin\PluginManagerInterface;
 use Drupal\Component\Utility\NestedArray;
-use Drupal\field\FieldInstance;
+use Drupal\field\Plugin\Core\Entity\FieldInstance;
 
 /**
  * Selects an in-place editor (an Editor plugin) for a field.

core/modules/edit/lib/Drupal/edit/EditorSelectorInterface.php

@@ -7,7 +7,7 @@
 
 namespace Drupal\edit;
 
-use Drupal\field\FieldInstance;
+use Drupal\field\Plugin\Core\Entity\FieldInstance;
 
 /**
  * Interface for selecting an in-place editor (an Editor plugin) for a field.

core/modules/edit/lib/Drupal/edit/MetadataGenerator.php

@@ -9,7 +9,7 @@
 
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Component\Plugin\PluginManagerInterface;
-use Drupal\field\FieldInstance;
+use Drupal\field\Plugin\Core\Entity\FieldInstance;
 use Drupal\edit\Access\EditEntityFieldAccessCheckInterface;
 
 

core/modules/edit/lib/Drupal/edit/MetadataGeneratorInterface.php

@@ -8,7 +8,7 @@
 namespace Drupal\edit;
 
 use Drupal\Core\Entity\EntityInterface;
-use Drupal\field\FieldInstance;
+use Drupal\field\Plugin\Core\Entity\FieldInstance;
 
 /**
  * Interface for generating in-place editing metadata for an entity field.

core/modules/edit/lib/Drupal/edit/Plugin/edit/editor/DirectEditor.php

@@ -9,7 +9,7 @@
 
 use Drupal\edit\EditorBase;
 use Drupal\Component\Annotation\Plugin;
-use Drupal\field\FieldInstance;
+use Drupal\field\Plugin\Core\Entity\FieldInstance;
 
 /**
  * Defines the "direct" Create.js PropertyEditor widget.

core/modules/edit/lib/Drupal/edit/Plugin/edit/editor/FormEditor.php

@@ -9,7 +9,7 @@
 
 use Drupal\edit\EditorBase;
 use Drupal\Component\Annotation\Plugin;
-use Drupal\field\FieldInstance;
+use Drupal\field\Plugin\Core\Entity\FieldInstance;
 
 /**
  * Defines the "form" Create.js PropertyEditor widget.

core/modules/edit/lib/Drupal/edit/Tests/EditTestBase.php

@@ -28,7 +28,6 @@ function setUp() {
     parent::setUp();
 
     $this->installSchema('system', 'variable');
-    $this->installSchema('field', array('field_config', 'field_config_instance'));
     $this->installSchema('entity_test', array('entity_test', 'entity_test_rev'));
 
     // Set default storage backend.
@@ -58,12 +57,12 @@ function setUp() {
    */
   function createFieldWithInstance($field_name, $type, $cardinality, $label, $instance_settings, $widget_type, $widget_settings, $formatter_type, $formatter_settings) {
     $field = $field_name . '_field';
-    $this->$field = array(
+    $this->field = array(
       'field_name' => $field_name,
       'type' => $type,
       'cardinality' => $cardinality,
     );
-    $this->$field_name = field_create_field($this->$field);
+    $this->$field = field_create_field($this->field);
 
     $instance = $field_name . '_instance';
     $this->$instance = array(

core/modules/edit/tests/modules/lib/Drupal/edit_test/Plugin/edit/editor/WysiwygEditor.php

@@ -9,7 +9,7 @@
 
 use Drupal\edit\EditorBase;
 use Drupal\Component\Annotation\Plugin;
-use Drupal\field\FieldInstance;
+use Drupal\field\Plugin\Core\Entity\FieldInstance;
 
 /**
  * Defines the "wysiwyg" Create.js PropertyEditor widget.

core/modules/editor/lib/Drupal/editor/Plugin/edit/editor/Editor.php

@@ -11,7 +11,7 @@
 use Drupal\Component\Annotation\Plugin;
 use Drupal\Core\Annotation\Translation;
 use Drupal\edit\EditorInterface;
-use Drupal\field\FieldInstance;
+use Drupal\field\Plugin\Core\Entity\FieldInstance;
 
 
 /**

core/modules/entity/lib/Drupal/entity/Tests/EntityDisplayTest.php

@@ -24,12 +24,6 @@ public static function getInfo() {
     );
   }
 
-  protected function setUp() {
-    parent::setUp();
-
-    $this->installSchema('field', array('field_config', 'field_config_instance'));
-  }
-
   /**
    * Tests basic CRUD operations on EntityDisplay objects.
    */

core/modules/field/field.api.php

@@ -234,6 +234,9 @@ function hook_field_info_alter(&$info) {
  *     indexes specified by the field-type module. Some storage engines might
  *     not support indexes.
  *   - foreign keys: (optional) An array of Schema API foreign key definitions.
+ *     Note, however, that the field data is not necessarily stored in SQL.
+ *     Also, the possible usage is limited, as you cannot specify another field
+ *     as related, only existing SQL tables, such as {taxonomy_term_data}.
  */
 function hook_field_schema($field) {
   if ($field['type'] == 'text_long') {
@@ -1302,7 +1305,7 @@ function hook_field_storage_details_alter(&$details, $field) {
  *   FIELD_LOAD_REVISION to load the version indicated by each entity.
  * @param $fields
  *   An array listing the fields to be loaded. The keys of the array are field
- *   IDs, and the values of the array are the entity IDs (or revision IDs,
+ *   UUIDs, and the values of the array are the entity IDs (or revision IDs,
  *   depending on the $age parameter) to add each field to.
  * @param $options
  *   An associative array of additional options, with the following keys:
@@ -1370,7 +1373,7 @@ function hook_field_storage_load($entity_type, $entities, $age, $fields, $option
  *   FIELD_STORAGE_INSERT when inserting a new entity.
  * @param $fields
  *   An array listing the fields to be written. The keys and values of the
- *   array are field IDs.
+ *   array are field UUIDs.
  */
 function hook_field_storage_write(\Drupal\Core\Entity\EntityInterface $entity, $op, $fields) {
   $id = $entity->id();
@@ -1464,7 +1467,7 @@ function hook_field_storage_write(\Drupal\Core\Entity\EntityInterface $entity, $
  *   The entity on which to operate.
  * @param $fields
  *   An array listing the fields to delete. The keys and values of the
- *   array are field IDs.
+ *   array are field UUIDs.
  */
 function hook_field_storage_delete(\Drupal\Core\Entity\EntityInterface $entity, $fields) {
   foreach (field_info_instances($entity->entityType(), $entity->bundle()) as $instance) {
@@ -1488,7 +1491,7 @@ function hook_field_storage_delete(\Drupal\Core\Entity\EntityInterface $entity,
  *   The entity on which to operate.
  * @param $fields
  *   An array listing the fields to delete. The keys and values of the
- *   array are field IDs.
+ *   array are field UUIDs.
  */
 function hook_field_storage_delete_revision(\Drupal\Core\Entity\EntityInterface $entity, $fields) {
   $vid = $entity->getRevisionId();
@@ -1712,13 +1715,13 @@ function hook_field_storage_delete_instance($instance) {
  *   FIELD_LOAD_CURRENT to load the most recent revision for all fields, or
  *   FIELD_LOAD_REVISION to load the version indicated by each entity.
  * @param $skip_fields
- *   An array keyed by field IDs whose data has already been loaded and
+ *   An array keyed by field UUIDs whose data has already been loaded and
  *   therefore should not be loaded again. Add a key to this array to indicate
  *   that your module has already loaded a field.
  * @param $options
  *   An associative array of additional options, with the following keys:
- *   - field_id: The field ID that should be loaded. If unset, all fields should
- *     be loaded.
+ *   - field_id: The field UUID that should be loaded. If unset, all fields
+ *     should be loaded.
  *   - deleted: If TRUE, deleted fields should be loaded as well as non-deleted
  *     fields. If unset or FALSE, only non-deleted fields should be loaded.
  */
@@ -1735,11 +1738,11 @@ function hook_field_storage_pre_load($entity_type, $entities, $age, &$skip_field
  * @param \Drupal\Core\Entity\EntityInterface $entity
  *   The entity with fields to save.
  * @param $skip_fields
- *   An array keyed by field IDs whose data has already been written and
+ *   An array keyed by field UUIDs whose data has already been written and
  *   therefore should not be written again. The values associated with these
  *   keys are not specified.
  * @return
- *   Saved field IDs are set set as keys in $skip_fields.
+ *   Saved field UUIDs are set as keys in $skip_fields.
  */
 function hook_field_storage_pre_insert(\Drupal\Core\Entity\EntityInterface $entity, &$skip_fields) {
   if ($entity->entityType() == 'node' && $entity->status && _forum_node_check_node_type($entity)) {
@@ -1770,11 +1773,11 @@ function hook_field_storage_pre_insert(\Drupal\Core\Entity\EntityInterface $enti
  * @param \Drupal\Core\Entity\EntityInterface $entity
  *   The entity with fields to save.
  * @param $skip_fields
- *   An array keyed by field IDs whose data has already been written and
+ *   An array keyed by field UUIDs whose data has already been written and
  *   therefore should not be written again. The values associated with these
  *   keys are not specified.
  * @return
- *   Saved field IDs are set set as keys in $skip_fields.
+ *   Saved field UUIDs are set as keys in $skip_fields.
  */
 function hook_field_storage_pre_update(\Drupal\Core\Entity\EntityInterface $entity, &$skip_fields) {
   $first_call = &drupal_static(__FUNCTION__, array());

core/modules/field/field.attach.inc

@@ -1170,7 +1170,7 @@ function field_attach_insert(EntityInterface $entity) {
   $storages = array();
   foreach (field_info_instances($entity->entityType(), $entity->bundle()) as $instance) {
     $field = field_info_field_by_id($instance['field_id']);
-    $field_id = $field['id'];
+    $field_id = $field['uuid'];
     $field_name = $field['field_name'];
     if (!empty($entity->$field_name)) {
       // Collect the storage backend if the field has not been written yet.
@@ -1211,7 +1211,7 @@ function field_attach_update(EntityInterface $entity) {
   $storages = array();
   foreach (field_info_instances($entity->entityType(), $entity->bundle()) as $instance) {
     $field = field_info_field_by_id($instance['field_id']);
-    $field_id = $field['id'];
+    $field_id = $field['uuid'];
     $field_name = $field['field_name'];
     // Leave the field untouched if $entity comes with no $field_name property,
     // but empty the field if it comes as a NULL value or an empty array.
@@ -1254,7 +1254,7 @@ function field_attach_delete(EntityInterface $entity) {
   $storages = array();
   foreach (field_info_instances($entity->entityType(), $entity->bundle()) as $instance) {
     $field = field_info_field_by_id($instance['field_id']);
-    $field_id = $field['id'];
+    $field_id = $field['uuid'];
     $storages[$field['storage']['type']][$field_id] = $field_id;
   }
 
@@ -1287,7 +1287,7 @@ function field_attach_delete_revision(EntityInterface $entity) {
   $storages = array();
   foreach (field_info_instances($entity->entityType(), $entity->bundle()) as $instance) {
     $field = field_info_field_by_id($instance['field_id']);
-    $field_id = $field['id'];
+    $field_id = $field['uuid'];
     $storages[$field['storage']['type']][$field_id] = $field_id;
   }
 
@@ -1531,11 +1531,16 @@ function field_entity_bundle_create($entity_type, $bundle) {
  * Implements hook_entity_bundle_rename().
  */
 function field_entity_bundle_rename($entity_type, $bundle_old, $bundle_new) {
-  db_update('field_config_instance')
-    ->fields(array('bundle' => $bundle_new))
-    ->condition('entity_type', $entity_type)
-    ->condition('bundle', $bundle_old)
-    ->execute();
+  $instances = field_read_instances();
+  foreach ($instances as $instance) {
+    if ($instance->entity_type == $entity_type && $instance->bundle == $bundle_old) {
+      $id_new = $instance['entity_type'] . '.' . $bundle_new . '.' . $instance['field_name'];
+      $instance->id = $id_new;
+      $instance->bundle = $bundle_new;
+      $instance->allowBundleRename();
+      $instance->save();
+    }
+  }
 
   // Clear the cache.
   field_cache_clear();

core/modules/field/field.info.inc

@@ -5,7 +5,7 @@
  * Field Info API, providing information about available fields and field types.
  */
 
-use Drupal\field\FieldInstance;
+use Drupal\field\Plugin\Core\Entity\FieldInstance;
 use Drupal\field\FieldInfo;
 
 /**

core/modules/field/field.info.yml

@@ -3,6 +3,4 @@ description: 'Field API to add fields to entities like nodes and users.'
 package: Core
 version: VERSION
 core: 8.x
-dependencies:
-  - field_sql_storage
 required: true

core/modules/field/field.views.inc

@@ -72,7 +72,7 @@ function field_views_field_label($field_name) {
   foreach ($instances as $entity_name => $entity_type) {
     foreach ($entity_type as $bundle) {
       if (isset($bundle[$field_name])) {
-        $label_counter[$bundle[$field_name]['label']] = isset($label_counter[$bundle[$field_name]['label']]) ? ++$label_counter[$bundle[$field_name]['label']] : 1;
+        $label_counter[$bundle[$field_name]['label']] = isset($label_counter[$bundle[$field_name]['label']]) ? ++$label_counter[$bundle[$field_name]->label] : 1;
         $all_labels[$entity_name][$bundle[$field_name]['label']] = TRUE;
       }
     }
@@ -296,10 +296,10 @@ function field_views_field_default_views_data($field) {
       else {
         $group = t('@group (historical data)', array('@group' => $group_name));
       }
-      $column_real_name = $field['storage']['details']['sql'][$type][$table][$column];
+      $column_real_name = $field['storage_details']['sql'][$type][$table][$column];
 
       // Load all the fields from the table by default.
-      $additional_fields = array_values($field['storage']['details']['sql'][$type][$table]);
+      $additional_fields = array_values($field['storage_details']['sql'][$type][$table]);
 
       $data[$table][$column_real_name] = array(
         'group' => $group,

core/modules/field/lib/Drupal/field/FieldInfo.php

@@ -142,17 +142,24 @@ public function getFieldMap() {
 
     $map = array();
 
-    $query = db_select('field_config_instance', 'fci');
-    $query->join('field_config', 'fc', 'fc.id = fci.field_id');
-    $query->fields('fc', array('type'));
-    $query->fields('fci', array('field_name', 'entity_type', 'bundle'))
-      ->condition('fc.active', 1)
-      ->condition('fc.storage_active', 1)
-      ->condition('fc.deleted', 0)
-      ->condition('fci.deleted', 0);
-    foreach ($query->execute() as $row) {
-      $map[$row->field_name]['bundles'][$row->entity_type][] = $row->bundle;
-      $map[$row->field_name]['type'] = $row->type;
+    // Get active fields.
+    foreach (config_get_storage_names_with_prefix('field.field') as $config_id) {
+      $field_config = \Drupal::config($config_id)->get();
+      if ($field_config['active'] && $field_config['storage']['active']) {
+        $fields[$field_config['uuid']] = $field_config;
+      }
+    }
+    // Get field instances.
+    foreach (config_get_storage_names_with_prefix('field.instance') as $config_id) {
+      $instance_config = \Drupal::config($config_id)->get();
+      $field_uuid = $instance_config['field_uuid'];
+      // Filter out instances of inactive fields, and instances on unknown
+      // entity types.
+      if (isset($fields[$field_uuid])) {
+        $field = $fields[$field_uuid];
+        $map[$field['id']]['bundles'][$instance_config['entity_type']][] = $instance_config['bundle'];
+        $map[$field['id']]['type'] = $field['type'];
+      }
     }
 
     // Save in "static" and persistent caches.
@@ -181,7 +188,7 @@ public function getFields() {
     else {
       // Collect and prepare fields.
       foreach (field_read_fields(array(), array('include_deleted' => TRUE)) as $field) {
-        $this->fieldsById[$field['id']] = $this->prepareField($field);
+        $this->fieldsById[$field['uuid']] = $this->prepareField($field);
       }
 
       // Store in persistent cache.
@@ -191,7 +198,7 @@ public function getFields() {
     // Fill the name/ID map.
     foreach ($this->fieldsById as $field) {
       if (!$field['deleted']) {
-        $this->fieldIdsByName[$field['field_name']] = $field['id'];
+        $this->fieldIdsByName[$field['id']] = $field['uuid'];
       }
     }
 
@@ -229,7 +236,7 @@ public function getInstances($entity_type = NULL) {
         foreach (field_read_instances() as $instance) {
           $field = $this->getField($instance['field_name']);
           $instance = $this->prepareInstance($instance, $field['type']);
-          $this->bundleInstances[$instance['entity_type']][$instance['bundle']][$instance['field_name']] = new FieldInstance($instance);
+          $this->bundleInstances[$instance['entity_type']][$instance['bundle']][$instance['field_name']] = $instance;
         }
 
         // Store in persistent cache.
@@ -275,8 +282,8 @@ public function getField($field_name) {
       $field = $this->prepareField($field);
 
       // Save in the "static" cache.
-      $this->fieldsById[$field['id']] = $field;
-      $this->fieldIdsByName[$field['field_name']] = $field['id'];
+      $this->fieldsById[$field['uuid']] = $field;
+      $this->fieldIdsByName[$field['field_name']] = $field['uuid'];
 
       return $field;
     }
@@ -309,14 +316,14 @@ public function getFieldById($field_id) {
     // bundle.
 
     // Cache miss: read from definition.
-    if ($fields = field_read_fields(array('id' => $field_id), array('include_deleted' => TRUE))) {
+    if ($fields = field_read_fields(array('uuid' => $field_id), array('include_deleted' => TRUE))) {
       $field = current($fields);
       $field = $this->prepareField($field);
 
       // Store in the static cache.
-      $this->fieldsById[$field['id']] = $field;
+      $this->fieldsById[$field['uuid']] = $field;
       if (!$field['deleted']) {
-        $this->fieldIdsByName[$field['field_name']] = $field['id'];
+        $this->fieldIdsByName[$field['field_name']] = $field['uuid'];
       }
 
       return $field;
@@ -355,10 +362,10 @@ public function getBundleInstances($entity_type, $bundle) {
 
       // Extract the field definitions and save them in the "static" cache.
       foreach ($info['fields'] as $field) {
-        if (!isset($this->fieldsById[$field['id']])) {
-          $this->fieldsById[$field['id']] = $field;
+        if (!isset($this->fieldsById[$field['uuid']])) {
+          $this->fieldsById[$field['uuid']] = $field;
           if (!$field['deleted']) {
-            $this->fieldIdsByName[$field['field_name']] = $field['id'];
+            $this->fieldIdsByName[$field['field_name']] = $field['uuid'];
           }
         }
       }
@@ -377,27 +384,40 @@ public function getBundleInstances($entity_type, $bundle) {
     }
 
     // Cache miss: collect from the definitions.
-
     $instances = array();
 
-    // Collect the fields in the bundle.
-    $params = array('entity_type' => $entity_type, 'bundle' => $bundle);
-    $fields = field_read_fields($params);
+    // Do not return anything for unknown entity types.
+    if (entity_get_info($entity_type)) {
 
-    // This iterates on non-deleted instances, so deleted fields are kept out of
-    // the persistent caches.
-    foreach (field_read_instances($params) as $instance) {
-      $field = $fields[$instance['field_name']];
+      // Collect names of fields and instances involved in the bundle, using the
+      // field map. The field map is already filtered to active, non-deleted
+      // fields and instances, so those are kept out of the persistent caches.
+      $config_ids = array();
+      foreach ($this->getFieldMap() as $field_name => $field_data) {
+        if (isset($field_data['bundles'][$entity_type]) && in_array($bundle, $field_data['bundles'][$entity_type])) {
+          $config_ids[$field_name] = "$entity_type.$bundle.$field_name";
+        }
+      }
 
-      $instance = $this->prepareInstance($instance, $field['type']);
-      $instances[$field['field_name']] = new FieldInstance($instance);
+      // Load and prepare the corresponding fields and instances entities.
+      if ($config_ids) {
+        $loaded_fields = entity_load_multiple('field_entity', array_keys($config_ids));
+        $loaded_instances = entity_load_multiple('field_instance', array_values($config_ids));
 
-      // If the field is not in our global "static" list yet, add it.
-      if (!isset($this->fieldsById[$field['id']])) {
-        $field = $this->prepareField($field);
+        foreach ($loaded_instances as $instance) {
+          $field = $loaded_fields[$instance['field_name']];
+
+          $instance = $this->prepareInstance($instance, $field['type']);
+          $instances[$field['field_name']] = $instance;
 
-        $this->fieldsById[$field['id']] = $field;
-        $this->fieldIdsByName[$field['field_name']] = $field['id'];
+          // If the field is not in our global "static" list yet, add it.
+          if (!isset($this->fieldsById[$field['uuid']])) {
+            $field = $this->prepareField($field);
+
+            $this->fieldsById[$field['uuid']] = $field;
+            $this->fieldIdsByName[$field['field_name']] = $field['uuid'];
+          }
+        }
       }
     }
 
@@ -480,20 +500,6 @@ public function prepareField($field) {
     $field['settings'] += field_info_field_settings($field['type']);
     $field['storage']['settings'] += field_info_storage_settings($field['storage']['type']);
 
-    // Add storage details.
-    $details = (array) module_invoke($field['storage']['module'], 'field_storage_details', $field);
-    drupal_alter('field_storage_details', $details, $field);
-    $field['storage']['details'] = $details;
-
-    // Populate the list of bundles using the field.
-    $field['bundles'] = array();
-    if (!$field['deleted']) {
-      $map = $this->getFieldMap();
-      if (isset($map[$field['field_name']])) {
-        $field['bundles'] = $map[$field['field_name']]['bundles'];
-      }
-    }
-
     return $field;
   }
 
@@ -553,4 +559,5 @@ public function prepareExtraFields($extra_fields, $entity_type, $bundle) {
 
     return $result;
   }
+
 }

core/modules/field/lib/Drupal/field/FieldInstance.php

-<?php
-
-/**
- * @file
- * Definition of Drupal\field\FieldInstance.
- */
-
-namespace Drupal\field;
-
-/**
- * Class for field instance objects.
- */
-class FieldInstance implements \ArrayAccess {
-
-  /**
-   * The instance definition, as read from configuration storage.
-   *
-   * @var array
-   */
-  public $definition;
-
-  /**
-   * The widget object used for this instance.
-   *
-   * @var Drupal\field\Plugin\Type\Widget\WidgetInterface
-   */
-  protected $widget;
-
-  /**
-   * Constructs a FieldInstance object.
-   *
-   * @param array $definition
-   *   The instance definition array, as read from configuration storage.
-   */