1 /* 2 Copyright 2016 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package util 18 19 import ( 20 "sort" 21 22 "k8s.io/kubernetes/pkg/apis/flowcontrol" 23 ) 24 25 var _ sort.Interface = FlowSchemaSequence{} 26 27 // FlowSchemaSequence holds sorted set of pointers to FlowSchema objects. 28 // FlowSchemaSequence implements `sort.Interface` 29 type FlowSchemaSequence []*flowcontrol.FlowSchema 30 31 func (s FlowSchemaSequence) Len() int { 32 return len(s) 33 } 34 35 func (s FlowSchemaSequence) Less(i, j int) bool { 36 // the flow-schema w/ lower matching-precedence is prior 37 if ip, jp := s[i].Spec.MatchingPrecedence, s[j].Spec.MatchingPrecedence; ip != jp { 38 return ip < jp 39 } 40 // sort alphabetically 41 return s[i].Name < s[j].Name 42 } 43 44 func (s FlowSchemaSequence) Swap(i, j int) { 45 s[i], s[j] = s[j], s[i] 46 } 47