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kohana-doctrine2 - integrates Doctrine 2 ORM with Kohana

[!!] This package has been significantly rewritten for the 0.2 series

kohana-doctrine2 provides a wrapper with opinionated configuration for the Doctrine2 ORM in the way we like to use it. The package does not attempt to make every part of Doctrine2 available or configurable, though can usually be extended or configured to tweak behaviour.

In particular:

• Only PHP annotation entity mapping (with the SimpleAnnotationReader) is supported
• By default, you must specify an explicit list of entity classes rather than just paths to where there might be some
• By default, we just expose two cache instances - one for "compiler stuff" like class metadata and parsed DQL->SQL queries, and one for "data stuff" like query results. The compiler cache defaults to an ArrayCache in dev and an ApcuCache in other environments. The data cache is always an ArrayCache unless you specify something else.

Installation

Run composer require ingenerator/kohana-doctrine2. Note this is no longer a kohana module so you don't need to register it in the bootstrap, so long as you register Composer's autoloader.

Configuring database connection

We read database information from the Kohana::$config 'database' group, in the same structure as the legacy core Kohana database module. Currently we only support a MySQL backend with a pdo_mysql driver in Doctrine.

Using the default Kohana config readers, your app should provide a config/database.php like this:

Sometimes - e.g. for unit tests or running Doctrine build tooling - you might not have a database server actually available. If you configure 'hostname' => NULL we will use a NullPDO driver to allow Doctrine to bootstrap itself without failing on a database connection error.

That connection is sufficent to run things like orm:generate-proxies or orm:validate-schema --skip-sync. You should be aware that the NullPDO driver reports a mysql version of 5.7.29 - at time of writing doctrine/dbal does not vary any SQL or column definitions between mysql 5.7.x and 8.x, so it shouldn't matter if this version differs from your runtime mysql version. If your code does anything that attempts to actually make PDO calls we'll throw an exception.

Configuring entities and options

You must provide an explicit list of the entities that should be defined. This, and any other config, goes in config/doctrine.php:

Configuring your Dependency Container

We provide bindings for the ingenerator/kohana-dependencies DI container. If you're also using our kohana-extras package then your dependency config would generally look like this:

This will expose the entity manager as doctrine.entity_manager and a raw PDO connection as doctrine.pdo_connection, as well as various internal helpers - see the DoctrineFactory::definitions() method to explore the services that are defined.

You can also automatically bind event subscribers when the entity_manager is created:

See DoctrineFactory::subscriberDefinitions for more details.

Usage

Define entity classes with php annotations in the usual Doctrine way. They don't have to extend any particular base class. You can put these anywhere so long as they can be autoloaded.

All entity classes must be listed in the entity_classes array in config/doctrine.php otherwise they will not be detected for schema validation and database diff generation.

Using the command line tools

Doctrine ships with a number of command line tools. To use them you'll need to provision a cli-config.php file.

It's expected that you've separated out your application bootstrap from your index.php and any minion / task runner entry points so that application/bootstrap.php does all the setup including path definitions etc.

License

Copyright (c) 2013 inGenerator Ltd All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

• Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
• Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
• Neither the name of inGenerator Ltd nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.