A service factory can be used for creating instances where a non-trivial
construction process is required. This is done by adding a `factory`
key to the service definition.
If creating an object using Injector::create() and constructor arguments
are passed through, in some cases where the object being created had a yml
configuration set for it, the passed in constructor arguments weren't being
passed through to the instantiation of the object.
Fixed issue where convertServiceProperty is called when creating objects
with user-supplied constructor arguments, so that it's only called when
creating objects using injector configuration. This reduces the overhead
of unnecessary calls to convertServiceProperty.
Updated test cases to validate behaviour
The entire framework repo (with the exception of system-generated files) has been amended to respect the 120c line-length limit. This is in preparation for the enforcement of this rule with PHP_CodeSniffer.
there are actually args passed through to prevent overwriting with null
args if they're passed
MINOR Added __get alias to remove need for explicit ->get() call
MINOR Added the injector instance as an object that can be injected into other classes
BUGFIX Fixed issue described in http://open.silverstripe.org/ticket/7448 whereby using the injector to create an object of a type already registered as a singleton would actually overwrite the stored singleton object
CHANGE Given that Config::inst is an implementation of the singleton pattern itself, I've removed the extra call to singleton(). A side effect of this is that it gets around a possibly nasty circular reference with the dependency injector (which relies on the config object); in future, this dependency structure should really be structured from the DI directly.
MINOR Change singleton and strong_create to use dependency injector
BUGFIX: Provide default constructor values for classes (fixes issues when used in 'singleton' scenario during dev/build in particular)
MINOR Clear out injector state when resetting db schema during tests (a follow on from changing singleton() calls to use the injector underneath)
API CHANGE: Pass Object::create() calls to Injector::create().
API CHANGE: Add "RequestProcessor" injection point in Director, that Director will call preRequest() and postRequest() on.
