public final boolean isInitialized() {
        if (!hasType()) {
          
          return false;
        }
        if (hasPosition()) {
          if (!getPosition().isInitialized()) {
            
            return false;
          }
        }
        if (hasLinearVelocity()) {
          if (!getLinearVelocity().isInitialized()) {
            
            return false;
          }
        }
        if (hasForce()) {
          if (!getForce().isInitialized()) {
            
            return false;
          }
        }
        for (int i = 0; i < getFixturesCount(); i++) {
          if (!getFixtures(i).isInitialized()) {
            
            return false;
          }
        }
        return true;
      }