/*
 * Copyright 2020 The Multicluster-Scheduler 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 controller

import (
	"k8s.io/client-go/tools/cache"
)

func HandleAddUpdateWith(f func(obj interface{})) cache.ResourceEventHandlerFuncs {
	return cache.ResourceEventHandlerFuncs{
		AddFunc: f,
		UpdateFunc: func(old, new interface{}) {
			f(new)
		},
	}
}

func HandleAllWith(f func(obj interface{})) cache.ResourceEventHandlerFuncs {
	return cache.ResourceEventHandlerFuncs{
		AddFunc: f,
		UpdateFunc: func(old, new interface{}) {
			f(new)
		},
		DeleteFunc: func(obj interface{}) {
			tombstone, ok := obj.(cache.DeletedFinalStateUnknown)
			if ok {
				f(tombstone.Obj)
			} else {
				f(obj)
			}
		},
	}
}
