@Override
        public int hashCode()
        {
            final int prime = 31;
            int result = 1;
            result = prime * result
                    + ((bigDecimal == null) ? 0 : bigDecimal.hashCode());
            result = prime * result
                    + ((bigInteger == null) ? 0 : bigInteger.hashCode());
            result = prime * result
                    + ((dateCreated == null) ? 0 : dateCreated.hashCode());
            result = prime * result
                    + ((description == null) ? 0 : description.hashCode());
            result = prime * result + id;
            result = prime * result + ((tags == null) ? 0 : tags.hashCode());
            return result;
        }
@param bigDecimal
           the bigDecimal to set
protostuff-runtime/src/test/java/io/protostuff/runtime/CollectionTest.java