iamaleksey commented on code in PR #2073:
URL: https://github.com/apache/cassandra/pull/2073#discussion_r1071318442
##########
src/java/org/apache/cassandra/dht/OrderPreservingPartitioner.java:
##########
@@ -276,4 +277,55 @@ public AbstractType<?> partitionOrdering()
{
return UTF8Type.instance;
}
+
+ @Override
+ public AccordSplitter accordSplitter()
+ {
+ return this;
+ }
+
+ @Override
+ BigInteger valueForToken(Token token)
+ {
+ String chars = ((StringToken) token).token;
+ int charLength = 8;
+ BigInteger value = BigInteger.ZERO;
+ for (int i = 0 ; i < Math.min(8, chars.length()) ; ++i)
+ value = value.add(BigInteger.valueOf(chars.charAt(i) &
0xffffL).shiftLeft((charLength - 1 - i) * 16));
+ return value;
+ }
+
+ @Override
+ Token tokenForValue(BigInteger value)
+ {
+ // TODO (required): test
+ Invariants.checkArgument(value.compareTo(BigInteger.ZERO) >= 0);
+ int charLength = (value.bitLength() + 15) / 16;
+ char[] chars = new char[charLength];
+ for (int i = 0 ; i < charLength ; ++i)
+ chars[i] = (char) value.shiftRight((charLength - 1 - i) *
16).shortValue();
+ return new StringToken(new String(chars));
+ }
+
+ @Override
+ BigInteger minimumValue()
+ {
+ return BigInteger.ZERO;
+ }
+
+ @Override
+ BigInteger maximumValue(BigInteger start)
+ {
+ return BigInteger.ONE.shiftLeft((start.bitLength() + 15) / 16);
Review Comment:
`* 16`?
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