code: public Integer getMaxPoolSize()
     {
        if (childNode.getTextValueForPatternName("max-pool-size") != null && !childNode.getTextValueForPatternName("max-pool-size").equals("null")) {
           return Integer.valueOf(childNode.getTextValueForPatternName("max-pool-size"));
        }
        return null;
     }
docs: Returns the <code>max-pool-size</code> element
  @return the node defined for the element <code>max-pool-size</code>