Method hashCode

src/main/java/org/wltea/analyzer/core/Lexeme.java:107–111

()

     * @see java.lang.Object#hashCode()
     */
    public int hashCode(){
    	int absBegin = getBeginPosition();
    	int absEnd = getEndPosition();
    	return  (absBegin * 37) + (absEnd * 31) + ((absBegin * absEnd) % getLength()) * 11;
    }
    
    /*
     * 词元在排序集合中的比较算法