log-java.md
@Override
public void processBlock(ServerInterface srvInterface,
BlockReader argReader,
BlockWriter resWriter)
throws UdfException, DestroyInvocation
{
do {
// Get the two integer arguments from the BlockReader
long a = argReader.getLong(0);
long b = argReader.getLong(1);
// Log the input values
srvInterface.log("Got values a=%d and b=%d", a, b);
long result = a+b;
resWriter.setLong(result);
resWriter.next();
} while (argReader.next());
}
}