JRedis API design sketch - fluid options for commands

/*
 *   Copyright 2009 Joubin Houshyar
 * 
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *    
 *   http://www.apache.org/licenses/LICENSE-2.0
 *    
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

package design.api;


/**
 * A sketch for a fluid option spec'ing in JRedis methods.
 *
 * @author  Joubin Houshyar ([email protected])
 * @version alpha.0, Apr 3, 2010
 * @since   alpha.0
 * 
 */

public class UsingOpts {

	public static void main (String[] args) {
		SomeAPI api = null;
		api.set("foo", "bar", Options.set().LIMIT(10, 99).ALPHA().WITHSCORES());
		api.set("foo", "bar");
	}
	public interface SomeAPI {
		public void set(String key, String value, Options...opts);
	}
	public interface Option{
		/** species the BY clause */
		Options BY    (String pattern);

		/** specifies the GET clause */
		Options GET   (String pattern);

		/** specifies the LIMIT class: from is the intial index, count is the number of results */
		Options LIMIT (long from, long count);

		/** default sort is ASCending -- use this in your sort to specify DESC sort */
		Options DESC  ();

		/** sort is be default numeric -- use this to indicate lexiographic alphanumeric sort */
		Options ALPHA ();

	}

	public static class Options implements Option {
		public static Options set() {
			return new Options();
		}
		public Options ALPHA () {
			return this;
		}
		public Options WITHSCORES () {
			return this;
		}
		public Options BY (String pattern) {
			return this;
		}
		public Options DESC () {
			return this;
		}
		public Options GET (String pattern) {
			return this;
		}
		public Options LIMIT (long from, long count) {
			return this;
		}
	}
}