plugins

type Builder func(conf string) (Plugin, error)

type Manager interface {
	// GetBuilder adds a Builder object with the giving plugin type and name.
	AddBuilder(pt config.PluginType, name string, b Builder)

	// GetBuilder returns a Builder object with the giving plugin type and name.
	GetBuilder(pt config.PluginType, name string) Builder

	// DeleteBuilder deletes a builder with the giving plugin type and name.
	DeleteBuilder(pt config.PluginType, name string)

	// AddPlugin adds a plugin into this manager.
	AddPlugin(p Plugin)

	// GetPlugin returns a plugin with the giving plugin type and name.
	GetPlugin(pt config.PluginType, name string) Plugin

	// DeletePlugin deletes a plugin with the giving plugin type and name.
	DeletePlugin(pt config.PluginType, name string)
}

type Plugin interface {
	// Type returns the type of this plugin.
	Type() config.PluginType

	// Name returns the name of this plugin.
	Name() string
}

type Repository interface {
	// Add adds a data to this repository.
	Add(pt config.PluginType, name string, data interface{})

	// Get gets a data with the giving type and name from this
	// repository.
	Get(pt config.PluginType, name string) interface{}

	// Delete deletes a data with the giving type and name from
	// this repository.
	Delete(pt config.PluginType, name string)
}