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-rw-r--r--src/main/java/dev/morling/onebrc/CalculateAverage_imrafaelmerino.java39
1 files changed, 19 insertions, 20 deletions
diff --git a/src/main/java/dev/morling/onebrc/CalculateAverage_imrafaelmerino.java b/src/main/java/dev/morling/onebrc/CalculateAverage_imrafaelmerino.java
index 8bded77..303e9ff 100644
--- a/src/main/java/dev/morling/onebrc/CalculateAverage_imrafaelmerino.java
+++ b/src/main/java/dev/morling/onebrc/CalculateAverage_imrafaelmerino.java
@@ -104,12 +104,11 @@ public class CalculateAverage_imrafaelmerino {
}
private static Map<String, Stat> calculateStats(String file,
- long chunkSize
- )
+ long chunkSize)
throws IOException {
try (var fileChannel = FileChannel.open(Paths.get(file),
- StandardOpenOption.READ)) {
+ StandardOpenOption.READ)) {
var stats = fileMemoryStream(fileChannel, chunkSize)
.parallel()
.map(p -> ManagedComputation.compute(() -> parse(p)))
@@ -122,8 +121,7 @@ public class CalculateAverage_imrafaelmerino {
}
private static Map<String, Stat> combine(Map<String, Stat> xs,
- Map<String, Stat> ys
- ) {
+ Map<String, Stat> ys) {
Map<String, Stat> result = new HashMap<>();
@@ -165,23 +163,22 @@ public class CalculateAverage_imrafaelmerino {
number = number * 10 + (numberByte - '0');
}
stats.computeIfAbsent(fieldStr,
- k -> new Stat())
- .update(sign * number);
+ k -> new Stat())
+ .update(sign * number);
}
return stats;
}
private static Stream<ByteBuffer> fileMemoryStream(FileChannel fileChannel,
- long chunkSize
- )
+ long chunkSize)
throws IOException {
var spliterator = Spliterators.spliteratorUnknownSize(fileMemoryIterator(fileChannel,
- chunkSize),
- Spliterator.IMMUTABLE);
+ chunkSize),
+ Spliterator.IMMUTABLE);
return StreamSupport.stream(spliterator,
- false);
+ false);
}
private static Iterator<ByteBuffer> fileMemoryIterator(FileChannel fileChannel, long chunkSize) throws IOException {
@@ -199,16 +196,18 @@ public class CalculateAverage_imrafaelmerino {
public ByteBuffer next() {
try {
var buffer = fileChannel.map(MapMode.READ_ONLY,
- start,
- Math.min(chunkSize,
- size - start));
+ start,
+ Math.min(chunkSize,
+ size - start));
var limmit = buffer.limit() - 1;
- while (buffer.get(limmit) != '\n') limmit--;
+ while (buffer.get(limmit) != '\n')
+ limmit--;
limmit++;
buffer.limit(limmit);
start += limmit;
return buffer;
- } catch (IOException ex) {
+ }
+ catch (IOException ex) {
throw new UncheckedIOException(ex);
}
}
@@ -223,8 +222,7 @@ public class CalculateAverage_imrafaelmerino {
private long count = 0L;
public static Stat combine(Stat m1,
- Stat m2
- ) {
+ Stat m2) {
var stat = new Stat();
stat.min = Math.min(m1.min, m2.min);
stat.max = Math.max(m1.max, m2.max);
@@ -256,7 +254,8 @@ public class CalculateAverage_imrafaelmerino {
try {
ForkJoinPool.managedBlock(managedBlocker);
return managedBlocker.getResult();
- } catch (InterruptedException e) {
+ }
+ catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new RuntimeException(e);
}