yui.comn.mybatisx.extension.conditions.SqlCompareMode Maven / Gradle / Ivy

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package yui.comn.mybatisx.extension.conditions;

/**
 * @author yuyi ([email protected])
 */
public enum SqlCompareMode {

    EQ(" = ", "等于"), 
    NE(" <> ", "不等于"), 
    LK(" like ", "包含"), 
    LLK(" like ", "左包含"), 
    RLK(" like ", "右包含"), 
    NLK(" not like ", "不包含"), 
    OLK(" like or like ...", "多个包含"), 
    OLLK(" like or like ...", "多个左包含"), 
    ORLK(" like or like ...", "多个右包含"), 
    ONLK(" not like or not like ...", "多个不包含"),
    IN(" in ", "在..中"), 
    NIN(" not in ", "不在..中"),
    LT(" < ", "小于"), 
    LE(" <= ", "小于等于"), 
    GT(" > ", "大于"), 
    GE(" >= ", "大于等于"), 
    BT(" between ", "位于..和..之间"),
    IS(" is ", "是"),
    NIS(" is not ", "不是"),
    ASC(" asc ", "升序"),
    AC(" ac ", "升序"),
    DESC(" desc ", "降序"),
    DC(" dc ", "降序"),
    AND("and", "and"),
    A("a", "and"),
    OR("or", "or"),
    O("o", "or"),
    ;

    /**
     * 运算符号
     */
    private String symbol;
    /**
     * 描述
     */
    private String label;

    SqlCompareMode(String symbol, String label) {
        this.symbol = symbol;
        this.label = label;
    }

    public static SqlCompareMode get(String symbol, SqlCompareMode defaultModel) {
        try {
            return SqlCompareMode.valueOf(symbol.trim().toUpperCase());
        } catch (Exception e) {
            return defaultModel;
        }
    }
    
    public String symbol() {
        return symbol;
    }

    /**
     * 返回描述
     * 
     * @return
     */
    public String getLabel() {
        return label;
    }
    
}