/**
* Creates a new field definition based upon a field storage definition.
*
* In cases where one needs a field storage definitions to act like full
* field definitions, this creates a new field definition based upon the
* (limited) information available. That way it is possible to use the field
* definition in places where a full field definition is required; e.g., with
* widgets or formatters.
*
* @param \Drupal\Core\Field\FieldStorageDefinitionInterface $definition
* The field storage definition to base the new field definition upon.
*
* @return $this
*/
public static function createFromFieldStorageDefinition(FieldStorageDefinitionInterface $definition)
{
return static::create($definition->getType())->setCardinality($definition->getCardinality())->setConstraints($definition->getConstraints())->setCustomStorage($definition->hasCustomStorage())->setDescription($definition->getDescription())->setLabel($definition->getLabel())->setName($definition->getName())->setProvider($definition->getProvider())->setQueryable($definition->isQueryable())->setRequired($definition->isRequired())->setRevisionable($definition->isRevisionable())->setSettings($definition->getSettings())->setTargetEntityTypeId($definition->getTargetEntityTypeId())->setTranslatable($definition->isTranslatable());
}
/**
* {@inheritdoc}
*/
public function requiresFieldStorageSchemaChanges(FieldStorageDefinitionInterface $storage_definition, FieldStorageDefinitionInterface $original)
{
$table_mapping = $this->storage->getTableMapping();
if ($storage_definition->hasCustomStorage() != $original->hasCustomStorage() || $storage_definition->getSchema() != $original->getSchema() || $storage_definition->isRevisionable() != $original->isRevisionable() || $storage_definition->isTranslatable() != $original->isTranslatable() || $table_mapping->allowsSharedTableStorage($storage_definition) != $table_mapping->allowsSharedTableStorage($original) || $table_mapping->requiresDedicatedTableStorage($storage_definition) != $table_mapping->requiresDedicatedTableStorage($original)) {
return TRUE;
}
if ($table_mapping->requiresDedicatedTableStorage($storage_definition)) {
return $this->getDedicatedTableSchema($storage_definition) != $this->loadFieldSchemaData($original);
} elseif ($table_mapping->allowsSharedTableStorage($storage_definition)) {
$field_name = $storage_definition->getName();
$schema = array();
foreach (array_diff($table_mapping->getTableNames(), $table_mapping->getDedicatedTableNames()) as $table_name) {
if (in_array($field_name, $table_mapping->getFieldNames($table_name))) {
$column_names = $table_mapping->getColumnNames($storage_definition->getName());
$schema[$table_name] = $this->getSharedTableFieldSchema($storage_definition, $table_name, $column_names);
}
}
return $schema != $this->loadFieldSchemaData($original);
} else {
// The field has custom storage, so we don't know if a schema change is
// needed or not, but since per the initial checks earlier in this
// function, nothing about the definition changed that we manage, we
// return FALSE.
return FALSE;
}
}
