/**
* Adds methods from the extensions.
* Called by Object::__construct() once per class.
*/
function defineMethods()
{
if ($this->class == 'DataObject') {
return;
}
parent::defineMethods();
// Define the extra db fields - this is only necessary for extensions added in the
// class definition. Object::add_extension() will call this at definition time for
// those objects, which is a better mechanism. Perhaps extensions defined inside the
// class def can somehow be applied at definiton time also?
if ($this->extension_instances) {
foreach ($this->extension_instances as $i => $instance) {
if (!$instance->class) {
$class = get_class($instance);
user_error("DataObject::defineMethods(): Please ensure {$class}::__construct() calls parent::__construct()", E_USER_ERROR);
}
DataObjectDecorator::load_extra_statics($this->class, $instance->class);
}
}
// Set up accessors for joined items
if ($manyMany = $this->many_many()) {
foreach ($manyMany as $relationship => $class) {
$this->addWrapperMethod($relationship, 'getManyManyComponents');
}
}
if ($hasMany = $this->has_many()) {
foreach ($hasMany as $relationship => $class) {
$this->addWrapperMethod($relationship, 'getComponents');
}
}
if ($hasOne = $this->has_one()) {
foreach ($hasOne as $relationship => $class) {
$this->addWrapperMethod($relationship, 'getComponent');
}
}
}
/**
* Prepare static variables before processing a {@link get_static} or {@link set_static}
* call.
*/
private static function prepare_statics($class)
{
// _cache_statics_prepared setting must come first to prevent infinite loops when we call
// get_static below
self::$_cache_statics_prepared[$class] = true;
// load statics now for DataObject classes
if (is_subclass_of($class, 'DataObject')) {
$extensions = Object::uninherited_static($class, 'extensions');
if ($extensions) {
foreach ($extensions as $extension) {
DataObjectDecorator::load_extra_statics($class, $extension);
}
}
}
}
/**
* Prepare static variables before processing a {@link get_static} or {@link set_static}
* call.
*/
private static function prepare_statics($class)
{
// _cache_statics_prepared setting must come first to prevent infinite loops when we call
// get_static below
self::$_cache_statics_prepared[$class] = true;
// load statics now for DataObject classes
if (is_subclass_of($class, 'DataObject')) {
$extensions = Object::uninherited_static($class, 'extensions');
if ($extensions) {
foreach ($extensions as $extension) {
$extensionClass = $extension;
if (preg_match('/^([^(]*)/', $extension, $matches)) {
$extensionClass = $matches[1];
}
if (is_subclass_of($extensionClass, 'DataObjectDecorator')) {
DataObjectDecorator::load_extra_statics($class, $extension);
} else {
user_error("{$extensionClass} cannot be applied to {$class} without being a DataObjectDecorator", E_USER_ERROR);
}
}
}
}
}
