How to use

children

method

in

org.apache.servicecomb.serviceregistry.discovery.DiscoveryTreeNode

@Override
public DiscoveryTreeNode discovery(DiscoveryContext context, DiscoveryTreeNode parent) {
 String expectTransportName = findTransportName(context, parent);
 return parent.children()
   .computeIfAbsent(expectTransportName, etn -> createDiscoveryTreeNode(expectTransportName, context, parent));
}

@Override
public DiscoveryTreeNode discovery(DiscoveryContext context, DiscoveryTreeNode parent) {
 return parent.children()
   .computeIfAbsent(context.getInputParameters(), etn -> createDiscoveryTreeNode(context, parent));
}

public DiscoveryTreeNode discovery(DiscoveryContext context, VersionedCache inputCache) {
 DiscoveryTreeNode tmpRoot = getOrCreateRoot(inputCache);
 DiscoveryTreeNode parent = tmpRoot.children()
   .computeIfAbsent(inputCache.name(), name -> new DiscoveryTreeNode().fromCache(inputCache));
 return doDiscovery(context, parent);
}

@Override
protected void init(DiscoveryContext context, DiscoveryTreeNode parent) {
 MicroserviceInstance myself = RegistryUtils.getMicroserviceInstance();
 Map<String, MicroserviceInstance> instancesRegionAndAZMatch = new HashMap<>();
 Map<String, MicroserviceInstance> instancesAZMatch = new HashMap<>();
 Map<String, MicroserviceInstance> instancesNoMatch = new HashMap<>();
 Map<String, MicroserviceInstance> instances = parent.data();
 for (String id : instances.keySet()) {
  MicroserviceInstance target = instances.get(id);
  if (regionAndAZMatch(myself, target)) {
   instancesRegionAndAZMatch.put(id, target);
  } else if (regionMatch(myself, target)) {
   instancesAZMatch.put(id, target);
  } else {
   instancesNoMatch.put(id, target);
  }
 }
 Map<String, DiscoveryTreeNode> children = new HashMap<>();
 children.put(GROUP_RegionAndAZMatch, new DiscoveryTreeNode()
   .subName(parent, GROUP_RegionAndAZMatch)
   .data(instancesRegionAndAZMatch));
 children.put(GROUP_instancesAZMatch, new DiscoveryTreeNode()
   .subName(parent, GROUP_instancesAZMatch)
   .data(instancesAZMatch));
 children.put(GROUP_instancesNoMatch, new DiscoveryTreeNode()
   .subName(parent, GROUP_instancesNoMatch)
   .data(instancesNoMatch));
 parent.children(children);
}

@Override
public void init(DiscoveryContext context, DiscoveryTreeNode parent) {
 Map<MicroserviceVersionMeta, Map<String, MicroserviceInstance>> versionMap =
   groupByVersion(context.getInputParameters(), parent.data());
 Map<String, DiscoveryTreeNode> operationNodes = initOperationNodes(parent, versionMap);
 fillInstances(operationNodes, versionMap);
 parent.children(operationNodes);
}

@Override
public DiscoveryTreeNode discovery(DiscoveryContext context, DiscoveryTreeNode parent) {
 String expectTransportName = findTransportName(context, parent);
 return parent.children()
   .computeIfAbsent(expectTransportName, etn -> createDiscoveryTreeNode(expectTransportName, context, parent));
}

@Override
public DiscoveryTreeNode discovery(DiscoveryContext context, DiscoveryTreeNode parent) {
 return parent.children()
   .computeIfAbsent(context.getInputParameters(), etn -> createDiscoveryTreeNode(context, parent));
}

public DiscoveryTreeNode discovery(DiscoveryContext context, VersionedCache inputCache) {
 DiscoveryTreeNode tmpRoot = getOrCreateRoot(inputCache);
 DiscoveryTreeNode parent = tmpRoot.children()
   .computeIfAbsent(inputCache.name(), name -> new DiscoveryTreeNode().fromCache(inputCache));
 return doDiscovery(context, parent);
}

@Override
protected void init(DiscoveryContext context, DiscoveryTreeNode parent) {
 MicroserviceInstance myself = RegistryUtils.getMicroserviceInstance();
 Map<String, MicroserviceInstance> instancesRegionAndAZMatch = new HashMap<>();
 Map<String, MicroserviceInstance> instancesAZMatch = new HashMap<>();
 Map<String, MicroserviceInstance> instancesNoMatch = new HashMap<>();
 Map<String, MicroserviceInstance> instances = parent.data();
 for (String id : instances.keySet()) {
  MicroserviceInstance target = instances.get(id);
  if (regionAndAZMatch(myself, target)) {
   instancesRegionAndAZMatch.put(id, target);
  } else if (regionMatch(myself, target)) {
   instancesAZMatch.put(id, target);
  } else {
   instancesNoMatch.put(id, target);
  }
 }
 Map<String, DiscoveryTreeNode> children = new HashMap<>();
 children.put(GROUP_RegionAndAZMatch, new DiscoveryTreeNode()
   .subName(parent, GROUP_RegionAndAZMatch)
   .data(instancesRegionAndAZMatch));
 children.put(GROUP_instancesAZMatch, new DiscoveryTreeNode()
   .subName(parent, GROUP_instancesAZMatch)
   .data(instancesAZMatch));
 children.put(GROUP_instancesNoMatch, new DiscoveryTreeNode()
   .subName(parent, GROUP_instancesNoMatch)
   .data(instancesNoMatch));
 parent.children(children);
}

@Override
public void init(DiscoveryContext context, DiscoveryTreeNode parent) {
 Map<MicroserviceVersionMeta, Map<String, MicroserviceInstance>> versionMap =
   groupByVersion(context.getInputParameters(), parent.data());
 Map<String, DiscoveryTreeNode> operationNodes = initOperationNodes(parent, versionMap);
 fillInstances(operationNodes, versionMap);
 parent.children(operationNodes);
}