blueprints-processor/plugin/assignment-provider/src/main/java/org/onap/ccsdk/config/assignment/processor/ResourceAssignmentProcessor.java

   1 /*\r
   2  * Copyright © 2017-2018 AT&T Intellectual Property.\r
   3  * Modifications Copyright © 2018 IBM.\r
   4  * \r
   5  * Licensed under the Apache License, Version 2.0 (the "License");\r
   6  * you may not use this file except in compliance with the License.\r
   7  * You may obtain a copy of the License at\r
   8  * \r
   9  * http://www.apache.org/licenses/LICENSE-2.0\r
  10  * \r
  11  * Unless required by applicable law or agreed to in writing, software\r
  12  * distributed under the License is distributed on an "AS IS" BASIS,\r
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  14  * See the License for the specific language governing permissions and\r
  15  * limitations under the License.\r
  16  */\r
  17 \r
  18 package org.onap.ccsdk.config.assignment.processor;\r
  19 \r
  20 import java.util.ArrayList;\r
  21 import java.util.HashMap;\r
  22 import java.util.List;\r
  23 import java.util.Map;\r
  24 import org.apache.commons.collections.CollectionUtils;\r
  25 import org.onap.ccsdk.config.model.data.ResourceAssignment;\r
  26 import org.onap.ccsdk.config.model.utils.TopologicalSortingUtils;\r
  27 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;\r
  28 import com.att.eelf.configuration.EELFLogger;\r
  29 import com.att.eelf.configuration.EELFManager;\r
  30 \r
  31 public class ResourceAssignmentProcessor {\r
  32     private static EELFLogger logger = EELFManager.getInstance().getLogger(ResourceAssignmentProcessor.class);\r
  33 \r
  34     private List<ResourceAssignment> assignments;\r
  35     private Map<String, ResourceAssignment> resourceAssignmentMap;\r
  36 \r
  37     @SuppressWarnings("squid:S1172")\r
  38     public ResourceAssignmentProcessor(List<ResourceAssignment> assignments, SvcLogicContext ctx) {\r
  39         this.assignments = assignments;\r
  40         this.resourceAssignmentMap = new HashMap<>();\r
  41     }\r
  42 \r
  43     @SuppressWarnings("squid:S3776")\r
  44     public List<List<ResourceAssignment>> process() {\r
  45         List<List<ResourceAssignment>> sequenceBatchResourceAssignment = new ArrayList<>();\r
  46         if (this.assignments != null) {\r
  47             logger.info("Assignments ({})", this.assignments);\r
  48             this.assignments.forEach(resourceMapping -> {\r
  49                 if (resourceMapping != null) {\r
  50                     logger.trace("Processing Key ({})", resourceMapping.getName());\r
  51                     resourceAssignmentMap.put(resourceMapping.getName(), resourceMapping);\r
  52                 }\r
  53             });\r
  54 \r
  55             TopologicalSortingUtils<ResourceAssignment> topologySorting = new TopologicalSortingUtils<>();\r
  56             this.resourceAssignmentMap.forEach((mappingKey, mapping) -> {\r
  57                 if (mapping != null) {\r
  58                     if (mapping.getDependencies() != null && !mapping.getDependencies().isEmpty()) {\r
  59                         for (String dependency : mapping.getDependencies()) {\r
  60                             topologySorting.add(resourceAssignmentMap.get(dependency), mapping);\r
  61                         }\r
  62                     } else {\r
  63                         topologySorting.add(null, mapping);\r
  64                     }\r
  65                 }\r
  66             });\r
  67 \r
  68             List<ResourceAssignment> sequencedResourceAssignments = topologySorting.topSort();\r
  69             logger.info("Sorted Sequenced Assignments ({})", sequencedResourceAssignments);\r
  70 \r
  71             List<ResourceAssignment> batchResourceAssignment = null;\r
  72             List<String> batchAssignmentName = null;\r
  73             for (int i = 0; i < sequencedResourceAssignments.size(); i++) {\r
  74                 ResourceAssignment resourceAssignment = sequencedResourceAssignments.get(i);\r
  75                 ResourceAssignment previousResourceAssignment = null;\r
  76 \r
  77                 if (i > 0) {\r
  78                     previousResourceAssignment = sequencedResourceAssignments.get(i - 1);\r
  79                 }\r
  80                 if (resourceAssignment != null) {\r
  81 \r
  82                     boolean dependencyPresence = false;\r
  83                     if (batchAssignmentName != null && resourceAssignment.getDependencies() != null) {\r
  84                         dependencyPresence =\r
  85                                 CollectionUtils.containsAny(batchAssignmentName, resourceAssignment.getDependencies());\r
  86                     }\r
  87 \r
  88                     logger.trace("({}) -> Checking ({}), with ({}), result ({})", resourceAssignment.getName(),\r
  89                             batchAssignmentName, resourceAssignment.getDependencies(), dependencyPresence);\r
  90 \r
  91                     if (previousResourceAssignment != null && resourceAssignment.getDictionarySource() != null\r
  92                             && resourceAssignment.getDictionarySource()\r
  93                                     .equalsIgnoreCase(previousResourceAssignment.getDictionarySource())\r
  94                             && !dependencyPresence) {\r
  95                         batchResourceAssignment.add(resourceAssignment);\r
  96                         batchAssignmentName.add(resourceAssignment.getName());\r
  97                     } else {\r
  98                         if (batchResourceAssignment != null) {\r
  99                             sequenceBatchResourceAssignment.add(batchResourceAssignment);\r
 100                             logger.trace("Created old Set ({})", batchAssignmentName);\r
 101                         }\r
 102                         batchResourceAssignment = new ArrayList<>();\r
 103                         batchResourceAssignment.add(resourceAssignment);\r
 104 \r
 105                         batchAssignmentName = new ArrayList<>();\r
 106                         batchAssignmentName.add(resourceAssignment.getName());\r
 107                     }\r
 108                 }\r
 109 \r
 110                 if (i == (sequencedResourceAssignments.size() - 1)) {\r
 111                     logger.trace("Created old Set ({})", batchAssignmentName);\r
 112                     sequenceBatchResourceAssignment.add(batchResourceAssignment);\r
 113                 }\r
 114             }\r
 115             logger.info("Batched Sequence : ({})", sequenceBatchResourceAssignment);\r
 116         }\r
 117         return sequenceBatchResourceAssignment;\r
 118     }\r
 119 \r
 120 }\r