/*
    * This file is part of ***  M y C o R e  ***
    * See http://www.mycore.de/ for details.
    *
    * MyCoRe 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.
    *
   * MyCoRe 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 MyCoRe.  If not, see <http://www.gnu.org/licenses/>.
   */
  package org.mycore.access.facts.condition.combined;
  
  import java.util.HashSet;
  import java.util.Set;
  
  import org.jdom2.Element;
  import org.mycore.access.facts.MCRFactsAccessSystemHelper;
  import org.mycore.access.facts.condition.MCRAbstractCondition;
  import org.mycore.access.facts.model.MCRCombinedCondition;
  import org.mycore.access.facts.model.MCRCondition;
  
  /**
   * This is the base implementation for a combined condition.
   * It can be used to create conditions for a boolean algebra (and, or, not)
   * 
   * @author Robert Stephan
   *
   */
  public abstract class MCRAbstractCombinedCondition extends MCRAbstractCondition implements MCRCombinedCondition {
  
      protected Set<MCRCondition> conditions = new HashSet<MCRCondition>();
  
      public void add(MCRCondition condition) {
          conditions.add(condition);
      }
  
      public void parse(Element xml) {
          super.parse(xml);
          for (Element child : xml.getChildren()) {
              conditions.add(MCRFactsAccessSystemHelper.parse(child));
          }
      }
  
      /**
       * @return the conditions
       */
      public Set<MCRCondition> getChildConditions() {
          return conditions;
      }
  
      public void debugInfoForMatchingChildElement(MCRCondition c, boolean matches) {
          if (isDebug()) {
              Element el = c.getBoundElement();
              if (el != null) {
                  el.setAttribute("_matches", Boolean.toString(matches));
              }
          }
      }
  
  }