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Diffstat (limited to 'src/main/java/com/anthonyhilyard/iceberg/util')
-rw-r--r--src/main/java/com/anthonyhilyard/iceberg/util/UnsafeUtil.java40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/main/java/com/anthonyhilyard/iceberg/util/UnsafeUtil.java b/src/main/java/com/anthonyhilyard/iceberg/util/UnsafeUtil.java
new file mode 100644
index 0000000..d8410ce
--- /dev/null
+++ b/src/main/java/com/anthonyhilyard/iceberg/util/UnsafeUtil.java
@@ -0,0 +1,40 @@
+package com.anthonyhilyard.iceberg.util;
+
+import sun.misc.Unsafe;
+
+import java.lang.reflect.Field;
+
+public class UnsafeUtil
+{
+ private static final Unsafe UNSAFE;
+
+ static
+ {
+ try
+ {
+ Field field = Unsafe.class.getDeclaredField("theUnsafe");
+ field.setAccessible(true);
+
+ UNSAFE = (Unsafe) field.get(null);
+ }
+ catch (NoSuchFieldException | IllegalAccessException e)
+ {
+ throw new RuntimeException("Couldn't obtain reference to sun.misc.Unsafe", e);
+ }
+ }
+
+ public static float readFloat(long address)
+ {
+ return UNSAFE.getFloat(address);
+ }
+
+ public static int readInt(long address)
+ {
+ return UNSAFE.getInt(address);
+ }
+
+ public static byte readByte(long address)
+ {
+ return UNSAFE.getByte(address);
+ }
+} \ No newline at end of file