@Override
    public long getValue() {
        return this.crc;
    }
CRC-64-ECMA-182

<pre>
The polynomial code used is 0x42F0E1EBA9EA3693 (CRC64-ECMA-182)
x64+x62+x57+x55+x54+x53+x52+x47+x46+x45+x40+x39+x38+x37+x35+x33+
x32+x31+x29+x27+x24+x23+x22+x21+x19+x17+x13+x12+x10+x9+x7+x4+x+1
</pre>

poly=0x42f0e1eba9ea3693 init=0x0 refin=false refout=false xorout=0x0

@see <a href="http://en.wikipedia.org/wiki/Cyclic_redundancy_check">http://en.wikipedia.org/wiki/Cyclic_redundancy_check</a>
@see <a href="http://reveng.sourceforge.net/crc-catalogue/17plus.htm">http://reveng.sourceforge.net/crc-catalogue/17plus.htm</a>
jraft-core/src/main/java/com/alipay/sofa/jraft/util/CRC64.java