50 Zeilen
1.4 KiB
Diff
50 Zeilen
1.4 KiB
Diff
From 952aa5667bd48ddb71a0b357b7ae97622d964320 Mon Sep 17 00:00:00 2001
|
|
From: vemacs <d@nkmem.es>
|
|
Date: Wed, 23 Nov 2016 12:53:43 -0500
|
|
Subject: [PATCH] Misc Utils
|
|
|
|
|
|
diff --git a/src/main/java/com/destroystokyo/paper/utils/CachedSizeConcurrentLinkedQueue.java b/src/main/java/com/destroystokyo/paper/utils/CachedSizeConcurrentLinkedQueue.java
|
|
new file mode 100644
|
|
index 00000000..5bb677ce
|
|
--- /dev/null
|
|
+++ b/src/main/java/com/destroystokyo/paper/utils/CachedSizeConcurrentLinkedQueue.java
|
|
@@ -0,0 +1,34 @@
|
|
+package com.destroystokyo.paper.utils;
|
|
+
|
|
+import java.util.concurrent.ConcurrentLinkedQueue;
|
|
+import java.util.concurrent.atomic.LongAdder;
|
|
+import org.jetbrains.annotations.NotNull;
|
|
+import org.jetbrains.annotations.Nullable;
|
|
+
|
|
+public class CachedSizeConcurrentLinkedQueue<E> extends ConcurrentLinkedQueue<E> {
|
|
+ private final LongAdder cachedSize = new LongAdder();
|
|
+
|
|
+ @Override
|
|
+ public boolean add(@NotNull E e) {
|
|
+ boolean result = super.add(e);
|
|
+ if (result) {
|
|
+ cachedSize.increment();
|
|
+ }
|
|
+ return result;
|
|
+ }
|
|
+
|
|
+ @Nullable
|
|
+ @Override
|
|
+ public E poll() {
|
|
+ E result = super.poll();
|
|
+ if (result != null) {
|
|
+ cachedSize.decrement();
|
|
+ }
|
|
+ return result;
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public int size() {
|
|
+ return cachedSize.intValue();
|
|
+ }
|
|
+}
|
|
--
|
|
2.25.0.windows.1
|
|
|