diff options
Diffstat (limited to 'src/main/java/com/anthonyhilyard/iceberg/util')
| -rw-r--r-- | src/main/java/com/anthonyhilyard/iceberg/util/UnsafeUtil.java | 40 |
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); + } +}
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