// ListPredicate returns a list of all the items matching m.
func (e *Etcd) ListPredicate(ctx api.Context, m generic.Matcher) (runtime.Object, error) {
list := e.NewListFunc()
trace := util.NewTrace("List " + reflect.TypeOf(list).String())
defer trace.LogIfLong(600 * time.Millisecond)
if name, ok := m.MatchesSingle(); ok {
trace.Step("About to read single object")
key, err := e.KeyFunc(ctx, name)
if err != nil {
return nil, err
}
err = e.Helper.ExtractObjToList(key, list)
trace.Step("Object extracted")
if err != nil {
return nil, err
}
} else {
trace.Step("About to list directory")
err := e.Helper.ExtractToList(e.KeyRootFunc(ctx), list)
trace.Step("List extracted")
if err != nil {
return nil, err
}
}
defer trace.Step("List filtered")
return generic.FilterList(list, m, generic.DecoratorFunc(e.Decorator))
}
func (r *GenericRegistry) ListPredicate(ctx api.Context, m generic.Matcher) (runtime.Object, error) {
r.Lock()
defer r.Unlock()
if r.Err != nil {
return nil, r.Err
}
return generic.FilterList(r.ObjectList, m, nil)
}