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use Murmur Hash algorithm to compute permanents id

master
melvin 2011-06-15 12:47:15 +08:00
parent bbd52788d7
commit fc003bef08
1 changed files with 5 additions and 3 deletions
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8
src/magic/model/MagicPermanentSet.java
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@ -28,10 +28,12 @@ public class MagicPermanentSet extends TreeSet<MagicPermanent> {
}
public long getPermanentsId() {
long id = 0;
int idx = 0;
long[] input = new long[size() + 1];
for (final MagicPermanent permanent : this) {
id = id * 31 + permanent.getPermanentId();
input[idx] = permanent.getPermanentId();
idx++;
}
return id;
return magic.MurmurHash3.hash(input);
}
}