net.hasor.dataql.HintNames Maven / Gradle / Ivy
/*
* Copyright 2008-2009 the original author or authors.
*
* 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 net.hasor.dataql;
import static net.hasor.dataql.HintValue.*;
/**
* Hint 的 keys 定义。
* @author 赵永春 ([email protected])
* @version : 2017-03-23
*/
public enum HintNames {
/** 设置索引溢出的行为，可选的行为有：throw、null、near，默认为：near */
INDEX_OVERFLOW(INDEX_OVERFLOW_NEAR),
/** 最大保留的小数位数，默认为：20。超出该范围将会根据 NUMBER_ROUNDING 选项指定的舍入模式进行舍入，默认是四舍五入。 */
MAX_DECIMAL_DIGITS("20"),
/** 小数的舍入模式，参考 RoundingEnum 定义的舍入模式(一共八种)，默认为：四舍五入。详细配置参考：RoundingEnum 枚举。 */
NUMBER_ROUNDING(NUMBER_ROUNDING_HALF_UP),
/** 浮点数计算使用的最小数值宽度，可选值有：float,double,big。默认为：double */
MIN_DECIMAL_WIDTH(MIN_DECIMAL_WIDTH_DOUBLE),
/** 整数计算使用的最小数值宽度，可选值有：byte,short,int,long,big。默认为：int */
MIN_INTEGER_WIDTH(MIN_INTEGER_WIDTH_INT);
//
private String defaultVal;
public String getDefaultVal() {
return this.defaultVal;
}
HintNames(String defaultVal) {
this.defaultVal = defaultVal;
}
}