Review

class Entities.EntityMap {
        /**
         * <p>
         * Returns the name of the entity identified by the specified value.
         * </p>
         * 
         * @param value
         *            the value to locate
         * @return entity name associated with the specified value
         */
        String name(int value);
}

class Entities.PrimitiveEntityMap {
        /**
         * {@inheritDoc}
         */
        public String name(int value) {
            return (String) mapValueToName.get(value);
        }
}

class Entities.MapIntMap {
        public String name(int value) {
            return (String) mapValueToName.get(new Integer(value));
        }
}

class Entities.LookupEntityMap {
        public String name(int value) {
            if (value < LOOKUP_TABLE_SIZE) {
                return lookupTable()[value];
            }
            return super.name(value);
        }
}

class Entities.ArrayEntityMap {
        public String name(int value) {
            for (int i = 0; i < size; ++i) {
                if (values[i] == value) {
                    return names[i];
                }
            }
            return null;
        }
}

class Entities.BinaryEntityMap {
        public String name(int value) {
            int index = binarySearch(value);
            if (index < 0) {
                return null;
            }
            return names[index];
        }

}