piyo7 · November 27, 2018 03:54
diff --git a/file0.scala b/file0.scala
 val counter = TrieMap[Key, LongAdder]()
diff --git a/file1.scala b/file1.scala
 counter.getOrElseUpdate(key, new LongAdder()).increment()
diff --git a/file2.scala b/file2.scala
 for (key <- counter.keys) {
  val sum = counter.remove(key).sum()
  logger.debug(s"$key: $sum")
 }
diff --git a/file3.scala b/file3.scala
 for {
  key <- counter.keys
  value <- counter.get(key)
 } {
  val sum = value.sumThenReset()
  logger.debug(s"$key: $sum")
 }
diff --git a/file4.scala b/file4.scala
 val counter = TrieMap[Key, AtomicLong]()
diff --git a/file5.scala b/file5.scala
 for {
  key <- counter.keys
  value <- counter.get(key)
 } {
  val v = value.getAndSet(0)
  logger.debug(s"$key: $v")
 }
diff --git a/file6.scala b/file6.scala
 for {
  key <- counter.keys
  value <- counter.get(key)
 } {
  val v = value.get()
  if (v == 0) counter.remove(key)
 }
diff --git a/file7.scala b/file7.scala
 scala> new AtomicLong(0) == new AtomicLong(0)
 res0: Boolean = false
diff --git a/file8.java b/file8.java
 public final class AtomicLongMap<K> implements Serializable {
  private final ConcurrentHashMap<K, Long> map;
diff --git a/file9.java b/file9.java
 public final class AtomicLongMap<K> {
  private final ConcurrentHashMap<K, AtomicLong> map;
	for (key <- counter.keys) {
	val sum = counter.remove(key).sum()
	logger.debug(s"$key: $sum")
	}
	scala> new AtomicLong(0) == new AtomicLong(0)
	res0: Boolean = false
	public final class AtomicLongMap<K> implements Serializable {
	private final ConcurrentHashMap<K, Long> map;
	public final class AtomicLongMap<K> {
	private final ConcurrentHashMap<K, AtomicLong> map;