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make it clear mergeAndStoreByteRegister has no side effects

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This commit is contained in:
Xavier Léauté 2014-03-25 16:52:36 -07:00
parent a0c38f574b
commit 178a9aed40
1 changed files with 4 additions and 1 deletions
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5
processing/src/main/java/io/druid/query/aggregation/hyperloglog/HyperLogLogCollector.java
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@ -364,6 +364,7 @@ public abstract class HyperLogLogCollector implements Comparable<HyperLogLogColl
while(otherBuffer.hasRemaining()) {
final int payloadStartPosition = otherBuffer.getShort() - other.getNumHeaderBytes();
numNonZero += mergeAndStoreByteRegister(
storageBuffer,
myPayloadStart + payloadStartPosition,
offsetDiff,
otherBuffer.get()
@ -378,6 +379,7 @@ public abstract class HyperLogLogCollector implements Comparable<HyperLogLogColl
int position = getPayloadBytePosition();
while (otherBuffer.hasRemaining()) {
numNonZero += mergeAndStoreByteRegister(
storageBuffer,
position,
offsetDiff,
otherBuffer.get()
@ -604,7 +606,8 @@ public abstract class HyperLogLogCollector implements Comparable<HyperLogLogColl
*
* @return
*/
private int mergeAndStoreByteRegister(
private static int mergeAndStoreByteRegister(
final ByteBuffer storageBuffer,
final int position,
final int offsetDiff,
final byte byteToAdd