ms/blueprintsprocessor/modules/blueprints/resource-dict/src/main/kotlin/org/onap/ccsdk/cds/controllerblueprints/resource/dict/utils/BulkResourceSequencingUtils.kt

   1 /*
   2  *  Copyright © 2017-2018 AT&T Intellectual Property.
   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 org.onap.ccsdk.cds.controllerblueprints.resource.dict.utils
  18
  19 import org.apache.commons.collections.CollectionUtils
  20 import org.onap.ccsdk.cds.controllerblueprints.core.asListOfString
  21 import org.onap.ccsdk.cds.controllerblueprints.core.utils.TopologicalSortingUtils
  22 import org.onap.ccsdk.cds.controllerblueprints.resource.dict.ResourceAssignment
  23 import org.slf4j.LoggerFactory
  24 import java.util.ArrayList
  25
  26 /**
  27  * BulkResourceSequencingUtils.
  28  *
  29  * @author Brinda Santh
  30  */
  31 object BulkResourceSequencingUtils {
  32
  33     private val log = LoggerFactory.getLogger(BulkResourceSequencingUtils::class.java)
  34
  35     @JvmStatic
  36     fun process(resourceAssignments: MutableList<ResourceAssignment>): List<List<ResourceAssignment>> {
  37         val resourceAssignmentMap: MutableMap<String, ResourceAssignment> = hashMapOf()
  38         val sequenceBatchResourceAssignment = ArrayList<List<ResourceAssignment>>()
  39         log.trace("Assignments ({})", resourceAssignments)
  40         // Prepare Map
  41         resourceAssignments.forEach { resourceAssignment ->
  42             log.trace("Processing Key ({})", resourceAssignment.name)
  43             resourceAssignmentMap.put(resourceAssignment.name, resourceAssignment)
  44         }
  45
  46         val startResourceAssignment = ResourceAssignment()
  47         startResourceAssignment.name = "*"
  48
  49         // Preepare Sorting Map
  50         val topologySorting = TopologicalSortingUtils<ResourceAssignment>()
  51         resourceAssignmentMap.forEach { _, resourceAssignment ->
  52             // Get the dependencies from the assignment sources, if not get from the Resource Assignment dependencies
  53             if (resourceAssignment.dictionarySourceDefinition != null) {
  54                 val dependencies = resourceAssignment.dictionarySourceDefinition?.properties?.get("key-dependencies")?.asListOfString()
  55                 dependencies?.forEach { dependency ->
  56                     topologySorting.add(resourceAssignmentMap[dependency]!!, resourceAssignment)
  57                 }
  58             } else if (CollectionUtils.isNotEmpty(resourceAssignment.dependencies)) {
  59                 for (dependency in resourceAssignment.dependencies!!) {
  60                     topologySorting.add(resourceAssignmentMap[dependency]!!, resourceAssignment)
  61                 }
  62             } else {
  63                 topologySorting.add(startResourceAssignment, resourceAssignment)
  64             }
  65         }
  66
  67         val sequencedResourceAssignments: MutableList<ResourceAssignment> = topologySorting.topSort()!! as MutableList<ResourceAssignment>
  68         log.trace("Sorted Sequenced Assignments ({})", sequencedResourceAssignments)
  69
  70         var batchResourceAssignment: MutableList<ResourceAssignment>? = null
  71         var batchAssignmentName: MutableList<String>? = null
  72
  73         // Prepare Sorting
  74         sequencedResourceAssignments.forEachIndexed { index, resourceAssignment ->
  75
  76             var previousResourceAssignment: ResourceAssignment? = null
  77
  78             if (index > 0) {
  79                 previousResourceAssignment = sequencedResourceAssignments[index - 1]
  80             }
  81
  82             var dependencyPresence = false
  83             if (batchAssignmentName != null && resourceAssignment.dependencies != null) {
  84                 dependencyPresence = CollectionUtils.containsAny(batchAssignmentName, resourceAssignment.dependencies)
  85             }
  86
  87             log.trace(
  88                 "({}) -> Checking ({}), with ({}), result ({})", resourceAssignment.name,
  89                 batchAssignmentName, resourceAssignment.dependencies, dependencyPresence
  90             )
  91
  92             if (previousResourceAssignment != null && resourceAssignment.dictionarySource != null &&
  93                 resourceAssignment.dictionarySource!!.equals(previousResourceAssignment.dictionarySource, true) &&
  94                 !dependencyPresence
  95             ) {
  96                 batchResourceAssignment!!.add(resourceAssignment)
  97                 batchAssignmentName!!.add(resourceAssignment.name)
  98             } else {
  99                 if (batchResourceAssignment != null) {
 100                     sequenceBatchResourceAssignment.add(batchResourceAssignment!!)
 101                     log.trace("Created old Set ({})", batchAssignmentName)
 102                 }
 103                 batchResourceAssignment = arrayListOf()
 104                 batchResourceAssignment!!.add(resourceAssignment)
 105
 106                 batchAssignmentName = arrayListOf()
 107                 batchAssignmentName!!.add(resourceAssignment.name)
 108             }
 109
 110             if (index == sequencedResourceAssignments.size - 1) {
 111                 log.trace("Created old Set ({})", batchAssignmentName)
 112                 sequenceBatchResourceAssignment.add(batchResourceAssignment!!)
 113             }
 114         }
 115         log.info("Batched Sequence : ({})", sequenceBatchResourceAssignment)
 116
 117         return sequenceBatchResourceAssignment
 118     }
 119 }