/**
  * Clears the data in the database.
  *
  * @param dataBase the database to truncate
  */
 @SuppressWarnings("unchecked")
 public static synchronized void clear(IDataBase dataBase) {
   Project<?, ?> project =
       (Project<?, ?>) dataBase.find(Project.class, Toolkit.hash(Project.class.getName()));
   if (project != null) {
     dataBase.remove(Project.class, project.getId());
   }
   List<Package> packages = dataBase.find(Package.class);
   for (Composite<?, ?> composite : packages) {
     dataBase.remove(composite.getClass(), composite.getId());
   }
   List<Class> classes = dataBase.find(Class.class);
   for (Composite composite : classes) {
     dataBase.remove(composite.getClass(), composite.getId());
   }
   List<Method> methods = dataBase.find(Method.class);
   for (Composite composite : methods) {
     dataBase.remove(composite.getClass(), composite.getId());
   }
   List<Line> lines = dataBase.find(Line.class);
   for (Composite composite : lines) {
     dataBase.remove(composite.getClass(), composite.getId());
   }
   List<Snapshot> snapshots = dataBase.find(Snapshot.class);
   for (Snapshot snapshot : snapshots) {
     dataBase.remove(Snapshot.class, snapshot.getId());
   }
 }
 /**
  * Dumps the database to the output stream.
  *
  * @param dataBase the database to dump
  * @param criteria the criteria to match if the data for the composite must be written to the
  *     output
  */
 @SuppressWarnings("unchecked")
 public static synchronized void dump(IDataBase dataBase, ICriteria criteria, String message) {
   if (message != null) {
     logger.warn(message);
   }
   try {
     Object object = dataBase.find(Project.class, Toolkit.hash(Project.class.getName()));
     logger.info(object.toString());
     Project<?, ?> project =
         (Project<?, ?>) dataBase.find(Project.class, Toolkit.hash(Project.class.getName()));
     if (project != null) {
       logger.warn("Project : " + project.getName());
     }
   } catch (Exception e) {
     logger.error("Exception dumping the data for the project object.", e);
   }
   try {
     List<Package> packages = dataBase.find(Package.class);
     for (Package<?, ?> pakkage : packages) {
       log(
           criteria,
           pakkage,
           1,
           pakkage.getId()
               + " : "
               + pakkage.getName()
               + ", coverage : "
               + pakkage.getCoverage()
               + ", complexity : "
               + pakkage.getComplexity()
               + ", stability : "
               + pakkage.getStability());
       for (Class<?, ?> klass : ((List<Class<?, ?>>) pakkage.getChildren())) {
         log(
             criteria,
             klass,
             2,
             " : id : "
                 + klass.getId()
                 + " : name : "
                 + klass.getName()
                 + " : coverage : "
                 + klass.getCoverage()
                 + ", complexity : "
                 + klass.getComplexity()
                 + ", outer class : "
                 + klass.getOuterClass()
                 + ", outer method : "
                 + klass.getOuterMethod()
                 + ", lines : "
                 + klass.getChildren().size()
                 + ", inner classes : "
                 + klass.getInnerClasses());
         List<Efferent> efferents = klass.getEfferent();
         List<Afferent> afferents = klass.getAfferent();
         for (Efferent efferent : efferents) {
           log(criteria, efferent, 4, efferent.getName());
         }
         for (Afferent afferent : afferents) {
           log(criteria, afferent, 4, afferent.getName());
         }
         for (Method<?, ?> method : ((List<Method<?, ?>>) klass.getChildren())) {
           log(
               criteria,
               method,
               3,
               method.getId()
                   + " : name : "
                   + method.getName()
                   + " : description : "
                   + method.getDescription()
                   + " : coverage : "
                   + method.getCoverage()
                   + ", complexity : "
                   + method.getComplexity()
                   + ", start time : "
                   + method.getStartTime()
                   + ", end time : "
                   + method.getEndTime());
           for (Line<?, ?> line : ((List<Line<?, ?>>) method.getChildren())) {
             log(
                 criteria,
                 line,
                 4,
                 line.getId()
                     + " : number : "
                     + line.getNumber()
                     + ", counter : "
                     + line.getCounter());
           }
         }
       }
     }
   } catch (Exception e) {
     logger.error("Exception dumping the data for the database.", e);
   }
 }