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moby--moby/sorter.go

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package docker
import "sort"
type imageSorter struct {
images []APIImages
by func(i1, i2 *APIImages) bool // Closure used in the Less method.
}
// Len is part of sort.Interface.
func (s *imageSorter) Len() int {
return len(s.images)
}
// Swap is part of sort.Interface.
func (s *imageSorter) Swap(i, j int) {
s.images[i], s.images[j] = s.images[j], s.images[i]
}
// Less is part of sort.Interface. It is implemented by calling the "by" closure in the sorter.
func (s *imageSorter) Less(i, j int) bool {
return s.by(&s.images[i], &s.images[j])
}
// Sort []ApiImages by most recent creation date and tag name.
func sortImagesByCreationAndTag(images []APIImages) {
creationAndTag := func(i1, i2 *APIImages) bool {
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return i1.Created > i2.Created
}
sorter := &imageSorter{
images: images,
by: creationAndTag}
sort.Sort(sorter)
}
type portSorter struct {
ports []Port
by func(i, j Port) bool
}
func (s *portSorter) Len() int {
return len(s.ports)
}
func (s *portSorter) Swap(i, j int) {
s.ports[i], s.ports[j] = s.ports[j], s.ports[i]
}
func (s *portSorter) Less(i, j int) bool {
ip := s.ports[i]
jp := s.ports[j]
return s.by(ip, jp)
}
func sortPorts(ports []Port, predicate func(i, j Port) bool) {
s := &portSorter{ports, predicate}
sort.Sort(s)
}
type containerSorter struct {
containers []*Container
by func(i, j *Container) bool
}
func (s *containerSorter) Len() int {
return len(s.containers)
}
func (s *containerSorter) Swap(i, j int) {
s.containers[i], s.containers[j] = s.containers[j], s.containers[i]
}
func (s *containerSorter) Less(i, j int) bool {
return s.by(s.containers[i], s.containers[j])
}
func sortContainers(containers []*Container, predicate func(i, j *Container) bool) {
s := &containerSorter{containers, predicate}
sort.Sort(s)
}