gerrit.onap Code Review - ccsdk/cds.git/blob

   1 /*\r
   2  *  Copyright © 2017-2018 AT&T Intellectual Property.\r
   3  *\r
   4  *  Licensed under the Apache License, Version 2.0 (the "License");\r
   5  *  you may not use this file except in compliance with the License.\r
   6  *  You may obtain a copy of the License at\r
   7  *\r
   8  *      http://www.apache.org/licenses/LICENSE-2.0\r
   9  *\r
  10  *  Unless required by applicable law or agreed to in writing, software\r
  11  *  distributed under the License is distributed on an "AS IS" BASIS,\r
  12  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  13  *  See the License for the specific language governing permissions and\r
  14  *  limitations under the License.\r
  15  */\r
  16 \r
  17 package org.onap.ccsdk.apps.controllerblueprints.resource.dict.utils\r
  18 \r
  19 import org.apache.commons.collections.CollectionUtils\r
  20 import org.onap.ccsdk.apps.controllerblueprints.core.utils.TopologicalSortingUtils\r
  21 import org.onap.ccsdk.apps.controllerblueprints.resource.dict.ResourceAssignment\r
  22 import org.slf4j.LoggerFactory\r
  23 import java.util.ArrayList\r
  24 /**\r
  25  * BulkResourceSequencingUtils.\r
  26  *\r
  27  * @author Brinda Santh\r
  28  */\r
  29 object BulkResourceSequencingUtils {\r
  30     private val log = LoggerFactory.getLogger(BulkResourceSequencingUtils::class.java)\r
  31 \r
  32     @JvmStatic\r
  33     fun process(resourceAssignments: MutableList<ResourceAssignment>): List<List<ResourceAssignment>> {\r
  34         val resourceAssignmentMap: MutableMap<String, ResourceAssignment> = hashMapOf()\r
  35         val sequenceBatchResourceAssignment = ArrayList<List<ResourceAssignment>>()\r
  36         log.info("Assignments ({})", resourceAssignments)\r
  37         // Prepare Map\r
  38         resourceAssignments.forEach { resourceAssignment ->\r
  39             log.trace("Processing Key ({})", resourceAssignment.name)\r
  40             resourceAssignmentMap.put(resourceAssignment.name, resourceAssignment)\r
  41         }\r
  42 \r
  43         val startResourceAssignment = ResourceAssignment()\r
  44         startResourceAssignment.name = "*"\r
  45 \r
  46         // Preepare Sorting Map\r
  47         val topologySorting = TopologicalSortingUtils<ResourceAssignment>()\r
  48         resourceAssignmentMap.forEach { _, resourceAssignment ->\r
  49             if (CollectionUtils.isNotEmpty(resourceAssignment.dependencies)) {\r
  50                 for (dependency in resourceAssignment.dependencies!!) {\r
  51                     topologySorting.add(resourceAssignmentMap[dependency]!!, resourceAssignment)\r
  52                 }\r
  53             } else {\r
  54                 topologySorting.add(startResourceAssignment, resourceAssignment)\r
  55             }\r
  56         }\r
  57 \r
  58         val sequencedResourceAssignments: MutableList<ResourceAssignment> = topologySorting.topSort()!! as MutableList<ResourceAssignment>\r
  59         log.info("Sorted Sequenced Assignments ({})", sequencedResourceAssignments)\r
  60 \r
  61         var batchResourceAssignment: MutableList<ResourceAssignment>? = null\r
  62         var batchAssignmentName: MutableList<String>? = null\r
  63 \r
  64         // Prepare Sorting\r
  65         sequencedResourceAssignments.forEachIndexed { index, resourceAssignment ->\r
  66 \r
  67             var previousResourceAssignment: ResourceAssignment? = null\r
  68 \r
  69             if (index > 0) {\r
  70                 previousResourceAssignment = sequencedResourceAssignments[index - 1]\r
  71             }\r
  72 \r
  73             var dependencyPresence = false\r
  74             if (batchAssignmentName != null && resourceAssignment.dependencies != null) {\r
  75                 dependencyPresence = CollectionUtils.containsAny(batchAssignmentName, resourceAssignment.dependencies)\r
  76             }\r
  77 \r
  78             log.trace("({}) -> Checking ({}), with ({}), result ({})", resourceAssignment.name,\r
  79                     batchAssignmentName, resourceAssignment.dependencies, dependencyPresence)\r
  80 \r
  81             if (previousResourceAssignment != null && resourceAssignment.dictionarySource != null\r
  82                     && resourceAssignment.dictionarySource!!.equals(previousResourceAssignment.dictionarySource, true)\r
  83                     && !dependencyPresence) {\r
  84                 batchResourceAssignment!!.add(resourceAssignment)\r
  85                 batchAssignmentName!!.add(resourceAssignment.name)\r
  86             } else {\r
  87                 if (batchResourceAssignment != null) {\r
  88                     sequenceBatchResourceAssignment.add(batchResourceAssignment!!)\r
  89                     log.trace("Created old Set ({})", batchAssignmentName)\r
  90                 }\r
  91                 batchResourceAssignment = arrayListOf()\r
  92                 batchResourceAssignment!!.add(resourceAssignment)\r
  93 \r
  94                 batchAssignmentName = arrayListOf()\r
  95                 batchAssignmentName!!.add(resourceAssignment.name)\r
  96             }\r
  97 \r
  98             if (index == sequencedResourceAssignments.size - 1) {\r
  99                 log.trace("Created old Set ({})", batchAssignmentName)\r
 100                 sequenceBatchResourceAssignment.add(batchResourceAssignment!!)\r
 101             }\r
 102         }\r
 103         log.info("Batched Sequence : ({})", sequenceBatchResourceAssignment)\r
 104 \r
 105         return sequenceBatchResourceAssignment\r
 106     }\r
 107 \r
 108 }