mirrors/Terra
1
0
Fork 0
mirror of https://github.com/PolyhedralDev/Terra.git synced 2026-02-16 02:20:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

Reformat

Browse Source
This commit is contained in:
Zoe Gidiere
2025-12-10 18:52:00 -07:00
parent dd2f0365b0
commit f8f6b0b4bc
2 changed files with 13 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
common/api/src/main/java/com/dfsek/terra/api/util/collection/TriStateIntCache.java
View File

@@ -2,10 +2,11 @@ package com.dfsek.terra.api.util.collection;
import java.util.concurrent.atomic.AtomicLongArray;
public class TriStateIntCache {
public static final long STATE_UNSET = 0L;
public static final long STATE_FALSE = 1L;
public static final long STATE_TRUE = 2L;
public static final long STATE_TRUE = 2L;
private static final long BIT_MASK = 3L;
private final AtomicLongArray data;
@@ -16,6 +17,7 @@ public class TriStateIntCache {
/**
* Checks the cache state without any allocation.
*
* @return STATE_UNSET (0), STATE_FALSE (1), or STATE_TRUE (2)
*/
public long get(int key) {
@@ -39,13 +41,13 @@ public class TriStateIntCache {
// Race condition check:
long existingState = (currentWord >>> bitShift) & BIT_MASK;
if (existingState != STATE_UNSET) {
if(existingState != STATE_UNSET) {
return; // Already set, abort our update
}
// Create new word with our bit set
newWord = (currentWord & ~(BIT_MASK << bitShift)) | (targetState << bitShift);
} while (!data.compareAndSet(arrayIndex, currentWord, newWord));
} while(!data.compareAndSet(arrayIndex, currentWord, newWord));
}
}