Modifier and Type	Class and Description
private static class	UnsafeUtil.JvmMemoryAccessor
private abstract static class	UnsafeUtil.MemoryAccessor

Field Summary

Modifier and Type	Field and Description
private static final long	BOOLEAN_ARRAY_BASE_OFFSET
private static final long	BOOLEAN_ARRAY_INDEX_SCALE
private static final long	BUFFER_ADDRESS_OFFSET
private static final long	BYTE_ARRAY_BASE_OFFSET
private static final long	DOUBLE_ARRAY_BASE_OFFSET
private static final long	DOUBLE_ARRAY_INDEX_SCALE
private static final long	FLOAT_ARRAY_BASE_OFFSET
private static final long	FLOAT_ARRAY_INDEX_SCALE
private static final boolean	HAS_UNSAFE_ARRAY_OPERATIONS
private static final boolean	HAS_UNSAFE_BYTEBUFFER_OPERATIONS
private static final long	INT_ARRAY_BASE_OFFSET
private static final long	INT_ARRAY_INDEX_SCALE
private static final Logger	logger
private static final long	LONG_ARRAY_BASE_OFFSET
private static final long	LONG_ARRAY_INDEX_SCALE
private static final UnsafeUtil.MemoryAccessor	MEMORY_ACCESSOR
private static final long	OBJECT_ARRAY_BASE_OFFSET
private static final long	OBJECT_ARRAY_INDEX_SCALE
private static final sun.misc.Unsafe	UNSAFE

Constructor Summary

Access	Constructor and Description
private	UnsafeUtil()

Method Summary

Modifier and Type	Method and Description
pack-priv static long	addressOffset(ByteBuffer buffer) Gets the offset of the `address` field of the given direct `ByteBuffer`.
pack-priv static <T> T	allocateInstance(Class<T> clazz)
private static int	arrayBaseOffset(Class<?> clazz)
private static int	arrayIndexScale(Class<?> clazz)
private static Field	bufferAddressField() Finds the address field within a direct `Buffer`.
pack-priv static void	copyMemory(byte[] src, long srcIndex, long targetOffset, long length)
pack-priv static void	copyMemory(long srcOffset, byte[] target, long targetIndex, long length)
pack-priv static void	copyMemory(byte[] src, long srcIndex, byte[] target, long targetIndex, long length)
private static Field	field(Class<?> clazz, String fieldName) Gets the field with the given name within the class, or `null` if not found.
private static long	fieldOffset(Field field) Returns the offset of the provided field, or `-1` if `sun.misc.Unsafe` is not available.
pack-priv static boolean	getBoolean(Object target, long offset)
pack-priv static boolean	getBoolean(boolean[] target, long index)
pack-priv static byte	getByte(Object target, long offset)
pack-priv static byte	getByte(byte[] target, long index)
pack-priv static byte	getByte(long address)
pack-priv static double	getDouble(Object target, long offset)
pack-priv static double	getDouble(double[] target, long index)
pack-priv static float	getFloat(Object target, long offset)
pack-priv static float	getFloat(float[] target, long index)
pack-priv static int	getInt(Object target, long offset)
pack-priv static int	getInt(int[] target, long index)
pack-priv static int	getInt(long address)
pack-priv static long	getLong(Object target, long offset)
pack-priv static long	getLong(long[] target, long index)
pack-priv static long	getLong(long address)
private static UnsafeUtil.MemoryAccessor	getMemoryAccessor() Get a `MemoryAccessor` appropriate for the platform, or null if not supported.
pack-priv static Object	getObject(Object target, long offset)
pack-priv static Object	getObject(Object[] target, long index)
pack-priv static Object	getStaticObject(Field field)
pack-priv static sun.misc.Unsafe	getUnsafe() Gets the `sun.misc.Unsafe` instance, or `null` if not available on this platform.
pack-priv static boolean	hasUnsafeArrayOperations()
pack-priv static boolean	hasUnsafeByteBufferOperations()
pack-priv static long	objectFieldOffset(Field field)
pack-priv static void	putBoolean(Object target, long offset, boolean value)
pack-priv static void	putBoolean(boolean[] target, long index, boolean value)
pack-priv static void	putByte(Object target, long offset, byte value)
pack-priv static void	putByte(byte[] target, long index, byte value)
pack-priv static void	putByte(long address, byte value)
pack-priv static void	putDouble(Object target, long offset, double value)
pack-priv static void	putDouble(double[] target, long index, double value)
pack-priv static void	putFloat(Object target, long offset, float value)
pack-priv static void	putFloat(float[] target, long index, float value)
pack-priv static void	putInt(Object target, long offset, int value)
pack-priv static void	putInt(int[] target, long index, int value)
pack-priv static void	putInt(long address, int value)
pack-priv static void	putLong(Object target, long offset, long value)
pack-priv static void	putLong(long[] target, long index, long value)
pack-priv static void	putLong(long address, long value)
pack-priv static void	putObject(Object target, long offset, Object value)
pack-priv static void	putObject(Object[] target, long index, Object value)
private static boolean	supportsUnsafeArrayOperations() Indicates whether or not unsafe array operations are supported on this platform.
private static boolean	supportsUnsafeByteBufferOperations()

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

BOOLEAN_ARRAY_BASE_OFFSET	back to summary
private static final long BOOLEAN_ARRAY_BASE_OFFSET

BOOLEAN_ARRAY_INDEX_SCALE	back to summary
private static final long BOOLEAN_ARRAY_INDEX_SCALE

BUFFER_ADDRESS_OFFSET	back to summary
private static final long BUFFER_ADDRESS_OFFSET

BYTE_ARRAY_BASE_OFFSET	back to summary
private static final long BYTE_ARRAY_BASE_OFFSET

DOUBLE_ARRAY_BASE_OFFSET	back to summary
private static final long DOUBLE_ARRAY_BASE_OFFSET

DOUBLE_ARRAY_INDEX_SCALE	back to summary
private static final long DOUBLE_ARRAY_INDEX_SCALE

FLOAT_ARRAY_BASE_OFFSET	back to summary
private static final long FLOAT_ARRAY_BASE_OFFSET

FLOAT_ARRAY_INDEX_SCALE	back to summary
private static final long FLOAT_ARRAY_INDEX_SCALE

HAS_UNSAFE_ARRAY_OPERATIONS	back to summary
private static final boolean HAS_UNSAFE_ARRAY_OPERATIONS

HAS_UNSAFE_BYTEBUFFER_OPERATIONS	back to summary
private static final boolean HAS_UNSAFE_BYTEBUFFER_OPERATIONS

INT_ARRAY_BASE_OFFSET	back to summary
private static final long INT_ARRAY_BASE_OFFSET

INT_ARRAY_INDEX_SCALE	back to summary
private static final long INT_ARRAY_INDEX_SCALE

logger	back to summary
private static final Logger logger

LONG_ARRAY_BASE_OFFSET	back to summary
private static final long LONG_ARRAY_BASE_OFFSET

LONG_ARRAY_INDEX_SCALE	back to summary
private static final long LONG_ARRAY_INDEX_SCALE

MEMORY_ACCESSOR	back to summary
private static final UnsafeUtil.MemoryAccessor MEMORY_ACCESSOR

OBJECT_ARRAY_BASE_OFFSET	back to summary
private static final long OBJECT_ARRAY_BASE_OFFSET

OBJECT_ARRAY_INDEX_SCALE	back to summary
private static final long OBJECT_ARRAY_INDEX_SCALE

UNSAFE	back to summary
private static final sun.misc.Unsafe UNSAFE

Constructor Detail

UnsafeUtil	back to summary
private UnsafeUtil()

Method Detail

addressOffset	back to summary
pack-priv static long addressOffset(ByteBuffer buffer) Gets the offset of the `address` field of the given direct `ByteBuffer`.

allocateInstance	back to summary
pack-priv static <T> T allocateInstance(Class<T> clazz) Annotations @SuppressWarnings:unchecked

arrayBaseOffset	back to summary
private static int arrayBaseOffset(Class<?> clazz)

arrayIndexScale	back to summary
private static int arrayIndexScale(Class<?> clazz)

bufferAddressField	back to summary
private static Field bufferAddressField() Finds the address field within a direct `Buffer`.

copyMemory	back to summary
pack-priv static void copyMemory(byte[] src, long srcIndex, long targetOffset, long length)

copyMemory	back to summary
pack-priv static void copyMemory(long srcOffset, byte[] target, long targetIndex, long length)

copyMemory	back to summary
pack-priv static void copyMemory(byte[] src, long srcIndex, byte[] target, long targetIndex, long length)

field	back to summary
private static Field field(Class<?> clazz, String fieldName) Gets the field with the given name within the class, or `null` if not found.

fieldOffset	back to summary
private static long fieldOffset(Field field) Returns the offset of the provided field, or `-1` if `sun.misc.Unsafe` is not available.

getBoolean	back to summary
pack-priv static boolean getBoolean(Object target, long offset)

getBoolean	back to summary
pack-priv static boolean getBoolean(boolean[] target, long index)

getByte	back to summary
pack-priv static byte getByte(Object target, long offset)

getByte	back to summary
pack-priv static byte getByte(byte[] target, long index)

getByte	back to summary
pack-priv static byte getByte(long address)

getDouble	back to summary
pack-priv static double getDouble(Object target, long offset)

getDouble	back to summary
pack-priv static double getDouble(double[] target, long index)

getFloat	back to summary
pack-priv static float getFloat(Object target, long offset)

getFloat	back to summary
pack-priv static float getFloat(float[] target, long index)

getInt	back to summary
pack-priv static int getInt(Object target, long offset)

getInt	back to summary
pack-priv static int getInt(int[] target, long index)

getInt	back to summary
pack-priv static int getInt(long address)

getLong	back to summary
pack-priv static long getLong(Object target, long offset)

getLong	back to summary
pack-priv static long getLong(long[] target, long index)

getLong	back to summary
pack-priv static long getLong(long address)

getMemoryAccessor	back to summary
private static UnsafeUtil.MemoryAccessor getMemoryAccessor() Get a `MemoryAccessor` appropriate for the platform, or null if not supported.

getObject	back to summary
pack-priv static Object getObject(Object target, long offset)

getObject	back to summary
pack-priv static Object getObject(Object[] target, long index)

getStaticObject	back to summary
pack-priv static Object getStaticObject(Field field)

getUnsafe	back to summary
pack-priv static sun.misc.Unsafe getUnsafe() Gets the `sun.misc.Unsafe` instance, or `null` if not available on this platform.

hasUnsafeArrayOperations	back to summary
pack-priv static boolean hasUnsafeArrayOperations()

hasUnsafeByteBufferOperations	back to summary
pack-priv static boolean hasUnsafeByteBufferOperations()

objectFieldOffset	back to summary
pack-priv static long objectFieldOffset(Field field)

putBoolean	back to summary
pack-priv static void putBoolean(Object target, long offset, boolean value)

putBoolean	back to summary
pack-priv static void putBoolean(boolean[] target, long index, boolean value)

putByte	back to summary
pack-priv static void putByte(Object target, long offset, byte value)

putByte	back to summary
pack-priv static void putByte(byte[] target, long index, byte value)

putByte	back to summary
pack-priv static void putByte(long address, byte value)

putDouble	back to summary
pack-priv static void putDouble(Object target, long offset, double value)

putDouble	back to summary
pack-priv static void putDouble(double[] target, long index, double value)

putFloat	back to summary
pack-priv static void putFloat(Object target, long offset, float value)

putFloat	back to summary
pack-priv static void putFloat(float[] target, long index, float value)

putInt	back to summary
pack-priv static void putInt(Object target, long offset, int value)

putInt	back to summary
pack-priv static void putInt(int[] target, long index, int value)

putInt	back to summary
pack-priv static void putInt(long address, int value)

putLong	back to summary
pack-priv static void putLong(Object target, long offset, long value)

putLong	back to summary
pack-priv static void putLong(long[] target, long index, long value)

putLong	back to summary
pack-priv static void putLong(long address, long value)

putObject	back to summary
pack-priv static void putObject(Object target, long offset, Object value)

putObject	back to summary
pack-priv static void putObject(Object[] target, long index, Object value)

supportsUnsafeArrayOperations	back to summary
private static boolean supportsUnsafeArrayOperations() Indicates whether or not unsafe array operations are supported on this platform.

supportsUnsafeByteBufferOperations	back to summary
private static boolean supportsUnsafeByteBufferOperations()

com.google.protobuf back to summary

private final Class UnsafeUtil.JvmMemoryAccessor

Class Inheritance

extends MemoryAccessor

java.lang.Object
com.google.protobuf.UnsafeUtil.MemoryAccessor
com.google.protobuf.UnsafeUtil.JvmMemoryAccessor

Field Summary

Inherited from com.google.protobuf.UnsafeUtil.MemoryAccessor:: unsafe

Constructor Summary

Access	Constructor and Description
pack-priv	JvmMemoryAccessor(sun.misc.Unsafe unsafe)

Method Summary

Modifier and Type	Method and Description
public void	copyMemory(long srcOffset, byte[] target, long targetIndex, long length) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.copyMemory.
public void	copyMemory(byte[] src, long srcIndex, long targetOffset, long length) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.copyMemory.
public boolean	getBoolean(Object target, long offset) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getBoolean.
public byte	getByte(long address) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getByte.
public byte	getByte(Object target, long offset) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getByte.
public double	getDouble(Object target, long offset) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getDouble.
public float	getFloat(Object target, long offset) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getFloat.
public int	getInt(long address) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getInt.
public long	getLong(long address) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getLong.
public Object	getStaticObject(Field field) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getStaticObject.
public void	putBoolean(Object target, long offset, boolean value) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.putBoolean.
public void	putByte(long address, byte value) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.putByte.
public void	putByte(Object target, long offset, byte value) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.putByte.
public void	putDouble(Object target, long offset, double value) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.putDouble.
public void	putFloat(Object target, long offset, float value) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.putFloat.
public void	putInt(long address, int value) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.putInt.
public void	putLong(long address, long value) Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.putLong.

Inherited from com.google.protobuf.UnsafeUtil.MemoryAccessor:: arrayBaseOffset arrayIndexScale getInt getLong getObject objectFieldOffset putInt putLong putObject

Constructor Detail

JvmMemoryAccessor	back to summary
pack-priv JvmMemoryAccessor(sun.misc.Unsafe unsafe)

Method Detail

copyMemory

back to summary

public void copyMemory(long srcOffset, byte[] target, long targetIndex, long length)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.copyMemory.

Annotations

@Override

copyMemory

back to summary

public void copyMemory(byte[] src, long srcIndex, long targetOffset, long length)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.copyMemory.

Annotations

@Override

getBoolean

back to summary

public boolean getBoolean(Object target, long offset)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getBoolean.

Annotations

@Override

getByte

back to summary

public byte getByte(long address)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getByte.

Annotations

@Override

getByte

back to summary

public byte getByte(Object target, long offset)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getByte.

Annotations

@Override

getDouble

back to summary

public double getDouble(Object target, long offset)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getDouble.

Annotations

@Override

getFloat

back to summary

public float getFloat(Object target, long offset)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getFloat.

Annotations

@Override

getInt

back to summary

public int getInt(long address)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getInt.

Annotations

@Override

getLong

back to summary

public long getLong(long address)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getLong.

Annotations

@Override

getStaticObject

back to summary

public Object getStaticObject(Field field)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.getStaticObject.

Annotations

@Override

putBoolean

back to summary

public void putBoolean(Object target, long offset, boolean value)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.putBoolean.

Annotations

@Override

putByte

back to summary

public void putByte(long address, byte value)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.putByte.

Annotations

@Override

putByte

back to summary

public void putByte(Object target, long offset, byte value)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.putByte.

Annotations

@Override

putDouble

back to summary

public void putDouble(Object target, long offset, double value)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.putDouble.

Annotations

@Override

putFloat

back to summary

public void putFloat(Object target, long offset, float value)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.putFloat.

Annotations

@Override

putInt

back to summary

public void putInt(long address, int value)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.putInt.

Annotations

@Override

putLong

back to summary

public void putLong(long address, long value)

Implements abstract com.google.protobuf.UnsafeUtil.MemoryAccessor.putLong.

Annotations

@Override

com.google.protobuf back to summary

private abstract Class UnsafeUtil.MemoryAccessor

Class Inheritance

extends Object

java.lang.Object
com.google.protobuf.UnsafeUtil.MemoryAccessor

Known Direct Subclasses

com.google.protobuf.UnsafeUtil.JvmMemoryAccessor

Field Summary

Modifier and Type	Field and Description
pack-priv sun.misc.Unsafe	unsafe

Constructor Summary

Access	Constructor and Description
pack-priv	MemoryAccessor(sun.misc.Unsafe unsafe)

Method Summary

Modifier and Type	Method and Description
public final int	arrayBaseOffset(Class<?> clazz)
public final int	arrayIndexScale(Class<?> clazz)
public abstract void	copyMemory(long srcOffset, byte[] target, long targetIndex, long length)
public abstract void	copyMemory(byte[] src, long srcIndex, long targetOffset, long length)
public abstract boolean	getBoolean(Object target, long offset)
public abstract byte	getByte(Object target, long offset)
public abstract byte	getByte(long address)
public abstract double	getDouble(Object target, long offset)
public abstract float	getFloat(Object target, long offset)
public final int	getInt(Object target, long offset)
public abstract int	getInt(long address)
public final long	getLong(Object target, long offset)
public abstract long	getLong(long address)
public final Object	getObject(Object target, long offset)
public abstract Object	getStaticObject(Field field)
public final long	objectFieldOffset(Field field)
public abstract void	putBoolean(Object target, long offset, boolean value)
public abstract void	putByte(Object target, long offset, byte value)
public abstract void	putByte(long address, byte value)
public abstract void	putDouble(Object target, long offset, double value)
public abstract void	putFloat(Object target, long offset, float value)
public final void	putInt(Object target, long offset, int value)
public abstract void	putInt(long address, int value)
public final void	putLong(Object target, long offset, long value)
public abstract void	putLong(long address, long value)
public final void	putObject(Object target, long offset, Object value)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

unsafe	back to summary
pack-priv sun.misc.Unsafe unsafe

Constructor Detail

MemoryAccessor	back to summary
pack-priv MemoryAccessor(sun.misc.Unsafe unsafe)

Method Detail

arrayBaseOffset	back to summary
public final int arrayBaseOffset(Class<?> clazz)

arrayIndexScale	back to summary
public final int arrayIndexScale(Class<?> clazz)

copyMemory	back to summary
public abstract void copyMemory(long srcOffset, byte[] target, long targetIndex, long length)

copyMemory	back to summary
public abstract void copyMemory(byte[] src, long srcIndex, long targetOffset, long length)

getBoolean	back to summary
public abstract boolean getBoolean(Object target, long offset)

getByte	back to summary
public abstract byte getByte(Object target, long offset)

getByte	back to summary
public abstract byte getByte(long address)

getDouble	back to summary
public abstract double getDouble(Object target, long offset)

getFloat	back to summary
public abstract float getFloat(Object target, long offset)

getInt	back to summary
public final int getInt(Object target, long offset)

getInt	back to summary
public abstract int getInt(long address)

getLong	back to summary
public final long getLong(Object target, long offset)

getLong	back to summary
public abstract long getLong(long address)

getObject	back to summary
public final Object getObject(Object target, long offset)

getStaticObject	back to summary
public abstract Object getStaticObject(Field field)

objectFieldOffset	back to summary
public final long objectFieldOffset(Field field)

putBoolean	back to summary
public abstract void putBoolean(Object target, long offset, boolean value)

putByte	back to summary
public abstract void putByte(Object target, long offset, byte value)

putByte	back to summary
public abstract void putByte(long address, byte value)

putDouble	back to summary
public abstract void putDouble(Object target, long offset, double value)

putFloat	back to summary
public abstract void putFloat(Object target, long offset, float value)

putInt	back to summary
public final void putInt(Object target, long offset, int value)

putInt	back to summary
public abstract void putInt(long address, int value)

putLong	back to summary
public final void putLong(Object target, long offset, long value)

putLong	back to summary
public abstract void putLong(long address, long value)

putObject	back to summary
public final void putObject(Object target, long offset, Object value)

pack-priv final Class UnsafeUtil

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private final Class UnsafeUtil.JvmMemoryAccessor

Field Summary

Constructor Summary

Method Summary

Constructor Detail

Method Detail

private abstract Class UnsafeUtil.MemoryAccessor

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail