Class LazyEagerLoader

Contains methods that are capable of injecting eagerly loaded associations into entities or lists of entities by using the same syntax as the EagerLoader.

Namespace: Cake\ORM

Method Summary

  • _getPropertyMap() protected

    Returns a map of property names where the association results should be injected in the top level entities.

  • _getQuery() protected

    Builds a query for loading the passed list of entity objects along with the associations specified in $contain.

  • _injectResults() protected

    Injects the results of the eager loader query into the original list of entities.

  • loadInto() public

    Loads the specified associations in the passed entity or list of entities by executing extra queries in the database and merging the results in the appropriate properties.

Method Detail

_getPropertyMap() protected 

_getPropertyMap(\Cake\ORM\Table $source, array $associations)

Returns a map of property names where the association results should be injected in the top level entities.

Parameters

\Cake\ORM\Table $source

The table having the top level associations

string[] $associations

The name of the top level associations

Returns

string[]

_getQuery() protected 

_getQuery(\Cake\Collection\CollectionInterface $objects, array $contain, \Cake\ORM\Table $source)

Builds a query for loading the passed list of entity objects along with the associations specified in $contain.

Parameters

\Cake\Collection\CollectionInterface $objects

The original entities

array $contain

The associations to be loaded

\Cake\ORM\Table $source

The table to use for fetching the top level entities

Returns

\Cake\ORM\Query

_injectResults() protected 

_injectResults(iterable $objects, mixed $results, array $associations, \Cake\ORM\Table $source)

Injects the results of the eager loader query into the original list of entities.

Parameters

\Cake\Datasource\EntityInterface[]|\Traversable $objects

The original list of entities

\Cake\Collection\CollectionInterface|\Cake\ORM\Query $results

The loaded results

string[] $associations

The top level associations that were loaded

\Cake\ORM\Table $source

The table where the entities came from

Returns

array

loadInto() public 

loadInto(mixed $entities, array $contain, \Cake\ORM\Table $source)

Loads the specified associations in the passed entity or list of entities by executing extra queries in the database and merging the results in the appropriate properties.

The properties for the associations to be loaded will be overwritten on each entity.

Parameters

\Cake\Datasource\EntityInterface|\Cake\Datasource\EntityInterface[] $entities

a single entity or list of entities

array $contain

A contain() compatible array.

\Cake\ORM\Table $source

The table to use for fetching the top level entities

Returns

\Cake\Datasource\EntityInterface|\Cake\Datasource\EntityInterface[]

See Also

\Cake\ORM\Query::contain()

© 2005–present The Cake Software Foundation, Inc.
Licensed under the MIT License.
CakePHP is a registered trademark of Cake Software Foundation, Inc.
We are not endorsed by or affiliated with CakePHP.
https://api.cakephp.org/4.0/class-Cake.ORM.LazyEagerLoader.html