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types.go
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/
types.go
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package watching
//
// A Generic interface that represents
// a significant named error in time with a
// human readable description
//
type Error interface {
Describe() string
Error() error
}
//
// Dir event leaves the consumer
// with rescanning given directories
// for the actual changes, cross platform
// changes on the file level cannot be guaranteed
//
type DirEvent interface {
Describe() string
Name() string
Directory() string
Operations() []int
}
//
// Watcher interface specifies
// an watcher that returns a channel of
// watching events when started
//
type Watcher interface {
Events() chan DirEvent
Errors() chan Error
//
// Start watching the provided directory
//
Start() error
//
// return the (root) directory we are watching
//
Directory() string
//
// Stop watching the directory
//
Stop() error
}
//
// Unspecified generic error
//
type GenericError struct {
err error
description string
}
func (e *GenericError) Error() error {
return e.err
}
func (e *GenericError) Describe() string {
return e.description
}