/**
 *Copyright [2010-2011] [dennis zhuang(killme2008@gmail.com)]
 *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 com.google.code.hs4j;

/**
 * Operator for finding data
 * 
 * @author dennis
 * @date 2010-11-27
 */
public enum FindOperator {
	/**
	 * '=' operator
	 */
	EQ,
	/**
	 * '>' operator
	 */
	GT,
	/**
	 * '>=' operator
	 */
	GE,
	/**
	 * '<=' opeartor
	 */
	LE,
/**
	 * '<' opeartor
	 */
	LT;

	/**
	 * Returns operator string value
	 * 
	 * @return
	 */
	public String getValue() {
		switch (this) {
		case EQ:
			return "=";
		case GT:
			return ">";
		case GE:
			return ">=";
		case LE:
			return "<=";
		case LT:
			return "<";
		default:
			throw new RuntimeException("Unknow find operator " + this);
		}
	}
}