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.BluePrintProcessorException
  21 import org.onap.ccsdk.cds.controllerblueprints.core.asListOfString
  22 import org.onap.ccsdk.cds.controllerblueprints.core.utils.TopologicalSortingUtils
  23 import org.onap.ccsdk.cds.controllerblueprints.resource.dict.ResourceAssignment
  24 import org.slf4j.LoggerFactory
  25 import java.util.ArrayList
  26
  27 /**
  28  * BulkResourceSequencingUtils.
  29  *
  30  * @author Brinda Santh
  31  */
  32 object BulkResourceSequencingUtils {
  33
  34     private val log = LoggerFactory.getLogger(BulkResourceSequencingUtils::class.java)
  35
  36     @JvmStatic
  37     fun process(resourceAssignments: MutableList<ResourceAssignment>): List<List<ResourceAssignment>> {
  38         val resourceAssignmentMap: MutableMap<String, ResourceAssignment> = hashMapOf()
  39         val sequenceBatchResourceAssignment = ArrayList<List<ResourceAssignment>>()
  40         log.trace("Assignments ({})", resourceAssignments)
  41         // Prepare Map
  42         resourceAssignments.forEach { resourceAssignment ->
  43             log.trace("Processing Key ({})", resourceAssignment.name)
  44             resourceAssignmentMap.put(resourceAssignment.name, resourceAssignment)
  45         }
  46
  47         val startResourceAssignment = ResourceAssignment()
  48         startResourceAssignment.name = "*"
  49
  50         // Preepare Sorting Map
  51         val topologySorting = TopologicalSortingUtils<ResourceAssignment>()
  52         resourceAssignmentMap.forEach { _, resourceAssignment ->
  53             // Get the dependencies from the assignment sources, if not get from the Resource Assignment dependencies
  54             if (resourceAssignment.dictionarySourceDefinition != null) {
  55                 val dependencies =
  56                     resourceAssignment.dictionarySourceDefinition?.properties?.get("key-dependencies")?.asListOfString()
  57                 dependencies?.forEach { dependency ->
  58                     topologySorting.add(resourceAssignmentMap[dependency]!!, resourceAssignment)
  59                 }
  60             } else if (CollectionUtils.isNotEmpty(resourceAssignment.dependencies)) {
  61                 for (dependency in resourceAssignment.dependencies!!) {
  62                     val ra = resourceAssignmentMap[dependency]
  63                         ?: throw BluePrintProcessorException("Couldn't get Resource Assignment dependency " +
  64                             "Key($dependency)")
  65                     topologySorting.add(ra, resourceAssignment)
  66                 }
  67             } else {
  68                 topologySorting.add(startResourceAssignment, resourceAssignment)
  69             }
  70         }
  71
  72         val sequencedResourceAssignments: MutableList<ResourceAssignment> =
  73             topologySorting.topSort()!! as MutableList<ResourceAssignment>
  74         log.trace("Sorted Sequenced Assignments ({})", sequencedResourceAssignments)
  75
  76         var batchResourceAssignment: MutableList<ResourceAssignment>? = null
  77         var batchAssignmentName: MutableList<String>? = null
  78
  79         // Prepare Sorting
  80         sequencedResourceAssignments.forEachIndexed { index, resourceAssignment ->
  81
  82             var previousResourceAssignment: ResourceAssignment? = null
  83
  84             if (index > 0) {
  85                 previousResourceAssignment = sequencedResourceAssignments[index - 1]
  86             }
  87
  88             var dependencyPresence = false
  89             if (batchAssignmentName != null && resourceAssignment.dependencies != null) {
  90                 dependencyPresence = CollectionUtils.containsAny(batchAssignmentName, resourceAssignment.dependencies)
  91             }
  92
  93             log.trace(
  94                 "({}) -> Checking ({}), with ({}), result ({})", resourceAssignment.name,
  95                 batchAssignmentName, resourceAssignment.dependencies, dependencyPresence
  96             )
  97
  98             if (previousResourceAssignment != null && resourceAssignment.dictionarySource != null &&
  99                 resourceAssignment.dictionarySource!!.equals(previousResourceAssignment.dictionarySource, true) &&
 100                 !dependencyPresence
 101             ) {
 102                 batchResourceAssignment!!.add(resourceAssignment)
 103                 batchAssignmentName!!.add(resourceAssignment.name)
 104             } else {
 105                 if (batchResourceAssignment != null) {
 106                     sequenceBatchResourceAssignment.add(batchResourceAssignment!!)
 107                     log.trace("Created old Set ({})", batchAssignmentName)
 108                 }
 109                 batchResourceAssignment = arrayListOf()
 110                 batchResourceAssignment!!.add(resourceAssignment)
 111
 112                 batchAssignmentName = arrayListOf()
 113                 batchAssignmentName!!.add(resourceAssignment.name)
 114             }
 115
 116             if (index == sequencedResourceAssignments.size - 1) {
 117                 log.trace("Created old Set ({})", batchAssignmentName)
 118                 sequenceBatchResourceAssignment.add(batchResourceAssignment!!)
 119             }
 120         }
 121         log.info("Batched Sequence : ({})", sequenceBatchResourceAssignment)
 122
 123         return sequenceBatchResourceAssignment
 124     }
 125 }