From 94ae08701bbd7585a0b7e5a92d1975965a503c03 Mon Sep 17 00:00:00 2001
From: Dennis Kao <ulysseskao@gmail.com>
Date: Wed, 15 Jan 2014 11:28:52 +0800
Subject: [PATCH] Merge branch 'origin/2.1.x'
---
xdgnjobs/ximple-spatialjob/src/main/java/com/ximple/eofms/util/Bits.java | 138 +++++++++++++++------------------------------
1 files changed, 47 insertions(+), 91 deletions(-)
diff --git a/xdgnjobs/ximple-spatialjob/src/main/java/com/ximple/eofms/util/Bits.java b/xdgnjobs/ximple-spatialjob/src/main/java/com/ximple/eofms/util/Bits.java
index 5e529ac..c924225 100644
--- a/xdgnjobs/ximple-spatialjob/src/main/java/com/ximple/eofms/util/Bits.java
+++ b/xdgnjobs/ximple-spatialjob/src/main/java/com/ximple/eofms/util/Bits.java
@@ -12,10 +12,9 @@
* Bits
* User: Ulysses
* Date: 2007/6/17
- * Time: �W�� 01:16:39
+ * Time: 01:16:39
*/
-public class Bits
-{
+public class Bits {
// -- Unsafe access --
// private static final Unsafe unsafe = Unsafe.getUnsafe();
@@ -33,164 +32,133 @@
private static volatile long reservedMemory = 0;
private static boolean memoryLimitSet = false;
- private Bits()
- {
+ private Bits() {
}
// -- Swapping --
- public static short swap(short x)
- {
+ public static short swap(short x) {
return (short) ((x << 8) | ((x >> 8) & 0xff));
}
- public static char swap(char x)
- {
+ public static char swap(char x) {
return (char) ((x << 8) | ((x >> 8) & 0xff));
}
- public static int swap(int x)
- {
+ public static int swap(int x) {
return (int) ((swap((short) x) << 16) | (swap((short) (x >> 16)) & 0xffff));
}
- public static long swap(long x)
- {
+ public static long swap(long x) {
return (long) (((long) swap((int) (x)) << 32) | ((long) swap((int) (x >> 32)) & 0xffffffffL));
}
// -- get/put char --
- static private char makeChar(byte b1, byte b0)
- {
+ static private char makeChar(byte b1, byte b0) {
return (char) ((b1 << 8) | (b0 & 0xff));
}
- private static byte char1(char x)
- {
+ private static byte char1(char x) {
return (byte) (x >> 8);
}
- private static byte char0(char x)
- {
+ private static byte char0(char x) {
return (byte) (x >> 0);
}
// --get/put short--
- public static short makeShort(byte b1, byte b0)
- {
+ public static short makeShort(byte b1, byte b0) {
return (short) ((b1 << 8) | (b0 & 0xff));
}
- private static byte short1(short x)
- {
+ private static byte short1(short x) {
return (byte) (x >> 8);
}
- public static byte short0(short x)
- {
+ public static byte short0(short x) {
return (byte) (x >> 0);
}
// -- get/put int --
- public static int makeInt(byte b3, byte b2, byte b1, byte b0)
- {
+ public static int makeInt(byte b3, byte b2, byte b1, byte b0) {
return (int) ((((b3 & 0xff) << 24) | ((b2 & 0xff) << 16) | ((b1 & 0xff) << 8) | ((b0 & 0xff) << 0)));
}
- public static int makeInt(short hiword, short loword)
- {
+ public static int makeInt(short hiword, short loword) {
return ((hiword & 0xffff) << 16) + (loword & 0xffff);
}
- public static short getHiShort(int qwValue)
- {
+ public static short getHiShort(int qwValue) {
return ((short) (qwValue >>> 16));
}
- public static short getLoShort(int qwValue)
- {
+ public static short getLoShort(int qwValue) {
return ((short) (qwValue & 0xFFFF));
}
- public static byte int3(int x)
- {
+ public static byte int3(int x) {
return (byte) (x >> 24);
}
- public static byte int2(int x)
- {
+ public static byte int2(int x) {
return (byte) (x >> 16);
}
- private static byte int1(int x)
- {
+ private static byte int1(int x) {
return (byte) (x >> 8);
}
- private static byte int0(int x)
- {
+ private static byte int0(int x) {
return (byte) (x >> 0);
}
// -- get/put long --
- public static long makeLong(byte b7, byte b6, byte b5, byte b4, byte b3, byte b2, byte b1, byte b0)
- {
+ public static long makeLong(byte b7, byte b6, byte b5, byte b4, byte b3, byte b2, byte b1, byte b0) {
return ((((long) b7 & 0xff) << 56) | (((long) b6 & 0xff) << 48) | (((long) b5 & 0xff) << 40) | (((long) b4 & 0xff) << 32)
- | (((long) b3 & 0xff) << 24) | (((long) b2 & 0xff) << 16) | (((long) b1 & 0xff) << 8)
- | (((long) b0 & 0xff) << 0));
+ | (((long) b3 & 0xff) << 24) | (((long) b2 & 0xff) << 16) | (((long) b1 & 0xff) << 8)
+ | (((long) b0 & 0xff) << 0));
}
- public static long makeLong(int LoValue, int HiValue)
- {
+ public static long makeLong(int LoValue, int HiValue) {
return (((long) HiValue & 0xFFFFFFFF) << 32) + (((long) LoValue) & 0xFFFFFFFF);
}
- public static int getHiInt(long qwValue)
- {
+ public static int getHiInt(long qwValue) {
return ((int) (qwValue >>> 32));
}
- public static int getLoInt(long qwValue)
- {
+ public static int getLoInt(long qwValue) {
return ((int) (qwValue & 0xFFFFFFFF));
}
- private static byte long7(long x)
- {
+ private static byte long7(long x) {
return (byte) (x >> 56);
}
- private static byte long6(long x)
- {
+ private static byte long6(long x) {
return (byte) (x >> 48);
}
- private static byte long5(long x)
- {
+ private static byte long5(long x) {
return (byte) (x >> 40);
}
- private static byte long4(long x)
- {
+ private static byte long4(long x) {
return (byte) (x >> 32);
}
- private static byte long3(long x)
- {
+ private static byte long3(long x) {
return (byte) (x >> 24);
}
- private static byte long2(long x)
- {
+ private static byte long2(long x) {
return (byte) (x >> 16);
}
- private static byte long1(long x)
- {
+ private static byte long1(long x) {
return (byte) (x >> 8);
}
- private static byte long0(long x)
- {
+ private static byte long0(long x) {
return (byte) (x >> 0);
}
@@ -253,10 +221,8 @@
}
*/
- static boolean unaligned()
- {
- if (unalignedKnown)
- {
+ static boolean unaligned() {
+ if (unalignedKnown) {
return unaligned;
}
@@ -272,18 +238,14 @@
// These methods should be called whenever direct memory is allocated or
// freed. They allow the user to control the amount of direct memory
// which a process may access. All sizes are specified in bytes.
- static void reserveMemory(long size)
- {
- synchronized (Bits.class)
- {
- if (!memoryLimitSet && VM.isBooted())
- {
+ static void reserveMemory(long size) {
+ synchronized (Bits.class) {
+ if (!memoryLimitSet && VM.isBooted()) {
maxMemory = VM.maxDirectMemory();
memoryLimitSet = true;
}
- if (size <= maxMemory - reservedMemory)
- {
+ if (size <= maxMemory - reservedMemory) {
reservedMemory += size;
return;
@@ -292,19 +254,15 @@
System.gc();
- try
- {
+ try {
Thread.sleep(100);
- } catch (InterruptedException x)
- {
+ } catch (InterruptedException x) {
// Restore interrupt status
Thread.currentThread().interrupt();
}
- synchronized (Bits.class)
- {
- if (reservedMemory + size > maxMemory)
- {
+ synchronized (Bits.class) {
+ if (reservedMemory + size > maxMemory) {
throw new OutOfMemoryError("Direct buffer memory");
}
@@ -312,10 +270,8 @@
}
}
- static synchronized void unreserveMemory(long size)
- {
- if (reservedMemory > 0)
- {
+ static synchronized void unreserveMemory(long size) {
+ if (reservedMemory > 0) {
reservedMemory -= size;
assert (reservedMemory > -1);
}
--
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