content: /**
   *      Copyright (C) 2010 EdgyTech LLC.
   *
   *   Licensed under the Apache License, Version 2.0 (the "License");
   *   you may not use this file except in compliance with the License.
   *   You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   *   Unless required by applicable law or agreed to in writing, software
   *   distributed under the License is distributed on an "AS IS" BASIS,
   *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *   See the License for the specific language governing permissions and
   *   limitations under the License.
   */
  package com.edgytech.umongo;
  
  import com.edgytech.swingfast.XmlUnit;
  import com.mongodb.*;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.logging.Level;
  import javax.swing.ImageIcon;
  
  /**
   *
   * @author antoine
   */
  public class MongoNode extends BaseTreeNode {
  
      MongoClient mongo;
      boolean specifiedDb;
      List<String> dbs;
  
      public MongoNode(MongoClient mongo, List<String> dbs) {
          this.mongo = mongo;
          this.dbs = dbs;
          this.specifiedDb = dbs != null;
          
          try {
              xmlLoad(Resource.getXmlDir(), Resource.File.mongoNode, null);
          } catch (Exception ex) {
              getLogger().log(Level.SEVERE, null, ex);
          }
          markStructured();
      }
  
      public MongoClient getMongoClient() {
          return mongo;
      }
  
      @Override
      protected void populateChildren() {
          // first ask list of db, will also trigger discovery of nodes
          List<String> dbnames = new ArrayList<String>();
          try {
              dbnames = mongo.getDatabaseNames();
          } catch (Exception e) {
              getLogger().log(Level.WARNING, e.getMessage(), e);
          }
  
          List<ServerAddress> addrs = mongo.getServerAddressList();
          
          if (addrs.size() <= 1) {
              // check if mongos
              boolean added = false;
              ServerAddress addr = addrs.get(0);
              ServerNode node = new ServerNode(mongo, false, false);
              try {
                  CommandResult res = node.getServerDB().command("isdbgrid");
                  if (res.ok()) {
                      addChild(new RouterNode(addr, mongo));
                      added = true;
                  }
              } catch (Exception e) {
                  getLogger().log(Level.INFO, e.getMessage(), e);
              }
  
              if (mongo.getReplicaSetStatus() != null) {
                  // could be replset of 1, check
                  try {
                      CommandResult res = node.getServerDB().command(new BasicDBObject("isMaster", 1), mongo.getOptions());
                      if (res.containsField("setName")) {
                          addChild(new ReplSetNode(mongo.getReplicaSetStatus().getName(), mongo, null));
                          added = true;
                      }
                  } catch (Exception e) {
                      getLogger().log(Level.INFO, e.getMessage(), e);
                  }
              }
              
              if (!added)
                  addChild(node);
          } else {
              addChild(new ReplSetNode(mongo.getReplicaSetStatus().getName(), mongo, null));
          }
  
          if (specifiedDb) {
              // user specified list of DB
              dbnames = dbs;
          } else {
              dbs = dbnames;
              if (dbnames.isEmpty()) {
                  // could not get any dbs, add test at least
                  dbnames.add("test");
              }
          }
  
          if (dbnames != null) {
              // get all DBs to populate map
              for (String dbname : dbnames) {
                  addChild(new DbNode(mongo.getDB(dbname)));
              }
          }
      }
  
      @Override
      protected void updateNode() {
          label = "Mongo: ?";
          // following op may fail, e.g. if SSL is broken
          label = "Mongo: " + mongo.getConnectPoint();
      }
  
      @Override
      protected void refreshNode() {
          // do dummy command to pick up exception
          mongo.getDatabaseNames();
      }
  
      BasicDBList getShards() {
          XmlUnit child = getChild(0);
          if (child instanceof RouterNode) {
              return ((RouterNode)child).getShards();
          }
          return null;
      }
      
      String[] getShardNames() {
          XmlUnit child = getChild(0);
          if (child instanceof RouterNode) {
              return ((RouterNode)child).getShardNames();
          }
          return null;        
      }
  
      List<DBObject> summarizeData() {
          List<DBObject> global = new ArrayList<DBObject>();
          for (DbNode node : getChildrenOfClass(DbNode.class)) {
              List<DBObject> res = node.summarizeData();
              global.addAll(res);
          }
          return global;
      }
  }
  