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