Switch to JobLister

pkg/controller/informers/batch.go

@@ -0,0 +1,83 @@
+/*
+Copyright 2016 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 informers
+
+import (
+	"reflect"
+	"time"
+
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/apis/batch"
+	"k8s.io/kubernetes/pkg/client/cache"
+	clientset "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
+	batchinternallisters "k8s.io/kubernetes/pkg/client/listers/batch/internalversion"
+	"k8s.io/kubernetes/pkg/runtime"
+	"k8s.io/kubernetes/pkg/watch"
+)
+
+// JobInformer is type of SharedIndexInformer which watches and lists all jobs.
+// Interface provides constructor for informer and lister for jobs
+type JobInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() batchinternallisters.JobLister
+}
+
+type jobInformer struct {
+	*sharedInformerFactory
+}
+
+// Informer checks whether jobInformer exists in sharedInformerFactory and if not, it creates new informer of type
+// jobInformer and connects it to sharedInformerFactory
+func (f *jobInformer) Informer() cache.SharedIndexInformer {
+	f.lock.Lock()
+	defer f.lock.Unlock()
+
+	informerType := reflect.TypeOf(&batch.Job{})
+	informer, exists := f.informers[informerType]
+	if exists {
+		return informer
+	}
+	informer = NewJobInformer(f.client, f.defaultResync)
+	f.informers[informerType] = informer
+
+	return informer
+}
+
+// NewJobInformer returns a SharedIndexInformer that lists and watches all jobs
+func NewJobInformer(client clientset.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
+	sharedIndexInformer := cache.NewSharedIndexInformer(
+		&cache.ListWatch{
+			ListFunc: func(options api.ListOptions) (runtime.Object, error) {
+				return client.Batch().Jobs(api.NamespaceAll).List(options)
+			},
+			WatchFunc: func(options api.ListOptions) (watch.Interface, error) {
+				return client.Batch().Jobs(api.NamespaceAll).Watch(options)
+			},
+		},
+		&batch.Job{},
+		resyncPeriod,
+		cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
+	)
+
+	return sharedIndexInformer
+}
+
+// Lister returns lister for jobInformer
+func (f *jobInformer) Lister() batchinternallisters.JobLister {
+	informer := f.Informer()
+	return batchinternallisters.NewJobLister(informer.GetIndexer())
+}