diff options
Diffstat (limited to 'kube2msb/src/vendor/k8s.io/kubernetes/pkg/watch/watch.go')
-rw-r--r-- | kube2msb/src/vendor/k8s.io/kubernetes/pkg/watch/watch.go | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/watch/watch.go b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/watch/watch.go deleted file mode 100644 index 96b2fe3..0000000 --- a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/watch/watch.go +++ /dev/null @@ -1,137 +0,0 @@ -/* -Copyright 2014 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package watch - -import ( - "sync" - - "k8s.io/kubernetes/pkg/runtime" -) - -// Interface can be implemented by anything that knows how to watch and report changes. -type Interface interface { - // Stops watching. Will close the channel returned by ResultChan(). Releases - // any resources used by the watch. - Stop() - - // Returns a chan which will receive all the events. If an error occurs - // or Stop() is called, this channel will be closed, in which case the - // watch should be completely cleaned up. - ResultChan() <-chan Event -} - -// EventType defines the possible types of events. -type EventType string - -const ( - Added EventType = "ADDED" - Modified EventType = "MODIFIED" - Deleted EventType = "DELETED" - Error EventType = "ERROR" -) - -// Event represents a single event to a watched resource. -type Event struct { - Type EventType - - // Object is: - // * If Type is Added or Modified: the new state of the object. - // * If Type is Deleted: the state of the object immediately before deletion. - // * If Type is Error: *api.Status is recommended; other types may make sense - // depending on context. - Object runtime.Object -} - -type emptyWatch chan Event - -// NewEmptyWatch returns a watch interface that returns no results and is closed. -// May be used in certain error conditions where no information is available but -// an error is not warranted. -func NewEmptyWatch() Interface { - ch := make(chan Event) - close(ch) - return emptyWatch(ch) -} - -// Stop implements Interface -func (w emptyWatch) Stop() { -} - -// ResultChan implements Interface -func (w emptyWatch) ResultChan() <-chan Event { - return chan Event(w) -} - -// FakeWatcher lets you test anything that consumes a watch.Interface; threadsafe. -type FakeWatcher struct { - result chan Event - Stopped bool - sync.Mutex -} - -func NewFake() *FakeWatcher { - return &FakeWatcher{ - result: make(chan Event), - } -} - -// Stop implements Interface.Stop(). -func (f *FakeWatcher) Stop() { - f.Lock() - defer f.Unlock() - if !f.Stopped { - close(f.result) - f.Stopped = true - } -} - -// Reset prepares the watcher to be reused. -func (f *FakeWatcher) Reset() { - f.Lock() - defer f.Unlock() - f.Stopped = false - f.result = make(chan Event) -} - -func (f *FakeWatcher) ResultChan() <-chan Event { - return f.result -} - -// Add sends an add event. -func (f *FakeWatcher) Add(obj runtime.Object) { - f.result <- Event{Added, obj} -} - -// Modify sends a modify event. -func (f *FakeWatcher) Modify(obj runtime.Object) { - f.result <- Event{Modified, obj} -} - -// Delete sends a delete event. -func (f *FakeWatcher) Delete(lastValue runtime.Object) { - f.result <- Event{Deleted, lastValue} -} - -// Error sends an Error event. -func (f *FakeWatcher) Error(errValue runtime.Object) { - f.result <- Event{Error, errValue} -} - -// Action sends an event of the requested type, for table-based testing. -func (f *FakeWatcher) Action(action EventType, obj runtime.Object) { - f.result <- Event{action, obj} -} |