resource-assignment/provider/src/main/java/org/openecomp/sdnc/rm/util/RangeUtil.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * openECOMP : SDN-C
   4  * ================================================================================
   5  * Copyright (C) 2017 ONAP Intellectual Property. All rights
   6  *                                              reserved.
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  */
  21
  22 package org.openecomp.sdnc.rm.util;
  23
  24 import java.util.ArrayList;
  25 import java.util.Date;
  26 import java.util.SortedSet;
  27 import java.util.TreeSet;
  28
  29 import org.openecomp.sdnc.rm.data.AllocationItem;
  30 import org.openecomp.sdnc.rm.data.RangeAllocationItem;
  31 import org.openecomp.sdnc.rm.data.RangeAllocationRequest;
  32 import org.openecomp.sdnc.rm.data.RangeResource;
  33 import org.openecomp.sdnc.rm.data.ResourceKey;
  34 import org.openecomp.sdnc.rm.data.ResourceType;
  35
  36 public class RangeUtil {
  37
  38         public static void recalculate(RangeResource r) {
  39                 r.used = new TreeSet<Integer>();
  40                 if (r.allocationItems != null)
  41                         for (AllocationItem ai : r.allocationItems) {
  42                                 RangeAllocationItem rai = (RangeAllocationItem) ai;
  43                                 if (rai.used != null)
  44                                         r.used.addAll(rai.used);
  45                         }
  46         }
  47
  48         public static boolean checkRange(RangeResource r, RangeAllocationRequest req, int num) {
  49                 if (num < req.checkMin || num > req.checkMax)
  50                         return false;
  51
  52                 if (r.allocationItems != null)
  53                         for (AllocationItem ai : r.allocationItems) {
  54                                 RangeAllocationItem rai = (RangeAllocationItem) ai;
  55                                 if (!eq(req.resourceUnionId, rai.resourceUnionId) && rai.used != null && rai.used.contains(num))
  56                                         return false;
  57                         }
  58
  59                 return true;
  60         }
  61
  62         private static boolean eq(Object o1, Object o2) {
  63                 return o1 == null ? o2 == null : o1.equals(o2);
  64         }
  65
  66         public static SortedSet<Integer> getUsed(RangeResource r, String resourceUnionId) {
  67                 SortedSet<Integer> used = new TreeSet<Integer>();
  68                 if (r.allocationItems != null)
  69                         for (AllocationItem ai : r.allocationItems) {
  70                                 RangeAllocationItem rai = (RangeAllocationItem) ai;
  71                                 if (eq(resourceUnionId, rai.resourceUnionId) && rai.used != null)
  72                                         used.addAll(rai.used);
  73                         }
  74                 return used;
  75         }
  76
  77         public static void allocateRange(
  78                 RangeResource rr,
  79                 SortedSet<Integer> requestedNumbers,
  80                 RangeAllocationRequest req,
  81                 String applicationId) {
  82                 if (!req.allocate)
  83                         return;
  84
  85                 RangeAllocationItem rai = (RangeAllocationItem) ResourceUtil.getAllocationItem(rr, req.resourceSetId);
  86                 if (rai == null) {
  87                         rai = new RangeAllocationItem();
  88                         rai.resourceType = ResourceType.Range;
  89                         rai.resourceKey = new ResourceKey();
  90                         rai.resourceKey.assetId = req.assetId;
  91                         rai.resourceKey.resourceName = req.resourceName;
  92                         rai.applicationId = applicationId;
  93                         rai.resourceSetId = req.resourceSetId;
  94                         rai.resourceUnionId = req.resourceUnionId;
  95                         rai.resourceShareGroupList = req.resourceShareGroupList;
  96                         rai.used = requestedNumbers;
  97
  98                         if (rr.allocationItems == null)
  99                                 rr.allocationItems = new ArrayList<AllocationItem>();
 100                         rr.allocationItems.add(rai);
 101                 } else if (req.replace)
 102                         rai.used = requestedNumbers;
 103                 else
 104                         rai.used.addAll(requestedNumbers);
 105
 106                 rai.allocationTime = new Date();
 107
 108                 recalculate(rr);
 109         }
 110 }