catalog-be/src/main/java/org/openecomp/sdc/be/components/merge/utils/ComponentInstanceBuildingBlocks.java

   1 package org.openecomp.sdc.be.components.merge.utils;
   2
   3 import org.openecomp.sdc.be.datatypes.elements.GroupDataDefinition;
   4 import org.openecomp.sdc.be.model.ComponentInstance;
   5 import org.openecomp.sdc.be.model.GroupDefinition;
   6
   7 import java.util.ArrayList;
   8 import java.util.HashMap;
   9 import java.util.List;
  10 import java.util.Map;
  11 import java.util.stream.Collectors;
  12 import java.util.stream.Stream;
  13
  14 import static org.openecomp.sdc.be.dao.utils.MapUtil.mergeMaps;
  15 import static org.openecomp.sdc.be.dao.utils.MapUtil.toMap;
  16
  17 public class ComponentInstanceBuildingBlocks {
  18
  19     private Map<String, GroupDefinition> groups = new HashMap<>();
  20     private Map<String, ComponentInstance> vfcInstances = new HashMap<>();
  21
  22     private ComponentInstanceBuildingBlocks(){}
  23
  24     private ComponentInstanceBuildingBlocks(List<GroupDefinition> groups, List<ComponentInstance> vfcInstances) {
  25         this.groups = groups == null ? new HashMap<>() : toMap(groups, GroupDataDefinition::getUniqueId);
  26         this.vfcInstances = vfcInstances == null ? new HashMap<>() : toMap(vfcInstances, ComponentInstance::getUniqueId);
  27     }
  28
  29     private ComponentInstanceBuildingBlocks(Map<String, GroupDefinition> groups,  Map<String, ComponentInstance> vfcInstances) {
  30         this.groups = groups == null ? new HashMap<>() : groups;
  31         this.vfcInstances = vfcInstances == null ? new HashMap<>() : vfcInstances;
  32     }
  33
  34     static ComponentInstanceBuildingBlocks of(List<GroupDefinition> groups, List<ComponentInstance> instances) {
  35         return new ComponentInstanceBuildingBlocks(groups, instances);
  36     }
  37
  38     static ComponentInstanceBuildingBlocks empty() {
  39         return new ComponentInstanceBuildingBlocks();
  40     }
  41
  42
  43     @SuppressWarnings("unchecked")
  44     static ComponentInstanceBuildingBlocks merge(ComponentInstanceBuildingBlocks first, ComponentInstanceBuildingBlocks second) {
  45         return new ComponentInstanceBuildingBlocks(mergeMaps(first.groups, second.groups),
  46                                                    mergeMaps(first.vfcInstances, second.vfcInstances));
  47     }
  48
  49     public List<GroupDefinition> getGroups() {
  50         return new ArrayList<>(groups.values());
  51     }
  52
  53     public List<ComponentInstance> getVfcInstances() {
  54         return new ArrayList<>(vfcInstances.values());
  55     }
  56
  57     public List<CapabilityOwner> getCapabilitiesOwners() {
  58         Stream<CapabilityOwner> groupsStream = groups.values().stream()
  59                 .map(grp -> new CapabilityOwner(grp.getUniqueId(), grp.getInvariantName(), grp.getCapabilities()));
  60
  61         Stream<CapabilityOwner> instanceStream = vfcInstances.values().stream()
  62                 .map(instance -> new CapabilityOwner(instance.getUniqueId(), instance.getName(), instance.getCapabilities()));
  63
  64         return Stream.concat(groupsStream, instanceStream).collect(Collectors.toList());
  65     }
  66
  67 }