/*
    * This file is part of Waarp Project (named also Waarp or GG).
    *
    *  Copyright (c) 2019, Waarp SAS, and individual contributors by the @author
    *  tags. See the COPYRIGHT.txt in the distribution for a full listing of
    * individual contributors.
    *
    *  All Waarp Project is free software: you can redistribute it and/or
    * modify it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or (at your
   * option) any later version.
   *
   * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY
   * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License along with
   * Waarp . If not, see <http://www.gnu.org/licenses/>.
   */
  
  package org.waarp.openr66.dao.xml;
  
  import org.waarp.openr66.dao.Filter;
  import org.waarp.openr66.dao.LimitDAO;
  import org.waarp.openr66.dao.exception.DAOConnectionException;
  import org.waarp.openr66.dao.exception.DAONoDataException;
  import org.waarp.openr66.pojo.Limit;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.concurrent.ConcurrentHashMap;
  
  public class XMLLimitDAO implements LimitDAO {
  
    /**
     * HashTable in case of lack of database
     */
    private static final ConcurrentHashMap<String, Limit>
        dbR66ConfigurationHashMap = new ConcurrentHashMap<String, Limit>();
  
    public XMLLimitDAO() {
      // Empty
    }
  
    @Override
    public void close() {
      // ignore
    }
  
    @Override
    public void delete(final Limit limit) {
      dbR66ConfigurationHashMap.remove(limit.getHostid());
    }
  
    @Override
    public void deleteAll() {
      dbR66ConfigurationHashMap.clear();
    }
  
    @Override
    public List<Limit> getAll() throws DAOConnectionException {
      return new ArrayList<Limit>(dbR66ConfigurationHashMap.values());
    }
  
    @Override
    public boolean exist(final String hostid) throws DAOConnectionException {
      return dbR66ConfigurationHashMap.containsKey(hostid);
    }
  
    @Override
    public List<Limit> find(final List<Filter> fitlers)
        throws DAOConnectionException {
      throw new DAOConnectionException("Operation not supported on XML DAO");
    }
  
    @Override
    public List<Limit> find(final List<Filter> filters, final int limit)
        throws DAOConnectionException {
      throw new DAOConnectionException("Operation not supported on XML DAO");
    }
  
    @Override
    public List<Limit> find(final List<Filter> filters, final String field,
                            final boolean asc) throws DAOConnectionException {
      throw new DAOConnectionException("Operation not supported on XML DAO");
    }
  
    @Override
    public List<Limit> find(final List<Filter> filters, final String field,
                            final boolean asc, final int limit)
        throws DAOConnectionException {
      throw new DAOConnectionException("Operation not supported on XML DAO");
    }
  
    @Override
    public List<Limit> find(final List<Filter> filters, final String field,
                            final boolean asc, final int limit, final int offset)
        throws DAOConnectionException {
      throw new DAOConnectionException("Operation not supported on XML DAO");
   }
 
   @Override
   public void update(final List<Filter> filters, final String toSet)
       throws DAOConnectionException {
     throw new DAOConnectionException("Operation not supported on XML DAO");
   }
 
   /**
    * {@link DAOConnectionException}
    *
    * @return count only if filters is empty or null
    */
   @Override
   public long count(final List<Filter> fitlers) throws DAOConnectionException {
     if (fitlers == null || fitlers.isEmpty()) {
       return dbR66ConfigurationHashMap.size();
     }
     throw new DAOConnectionException("Operation not supported on XML DAO");
   }
 
   @Override
   public void insert(final Limit limit) {
     dbR66ConfigurationHashMap.put(limit.getHostid(), limit);
   }
 
   @Override
   public Limit select(final String hostid)
       throws DAOConnectionException, DAONoDataException {
     final Limit limit = dbR66ConfigurationHashMap.get(hostid);
     if (limit != null) {
       return limit;
     }
     throw new DAONoDataException("Limit not found");
   }
 
   @Override
   public void update(final Limit limit) {
     dbR66ConfigurationHashMap.put(limit.getHostid(), limit);
   }
 }