java.lang.Object
- java.io.OutputStream
- - com.esotericsoftware.kryo.io.Output
  - - com.esotericsoftware.kryo.unsafe.UnsafeOutput

All Implemented Interfaces:

Pool.Poolable, Closeable, Flushable, AutoCloseable
```
public class UnsafeOutput
extends Output
```
An Output that reads data using sun.misc.Unsafe. Multi-byte primitive types use native byte order, so the native byte order on different computers which read and write the data must be the same.
Not available on all JVMs. Util.unsafe can be checked before using this class.
This class may be much faster when Output.setVariableLengthEncoding(boolean) is false.

Author:

Roman Levenstein , Nathan Sweet

Field Summary
- Fields inherited from class com.esotericsoftware.kryo.io.Output
  buffer, capacity, maxCapacity, outputStream, position, total, varEncoding

Constructor Summary

Constructors
Constructor	Description
`UnsafeOutput()`	Creates an uninitialized Output, `Output.setBuffer(byte[], int)` must be called before the Output is used.
`UnsafeOutput(byte[] buffer)`	Creates a new Output for writing to a byte[].
`UnsafeOutput(byte[] buffer, int maxBufferSize)`	Creates a new Output for writing to a byte[].
`UnsafeOutput(int bufferSize)`	Creates a new Output for writing to a byte[].
`UnsafeOutput(int bufferSize, int maxBufferSize)`	Creates a new Output for writing to a byte[].
`UnsafeOutput(OutputStream outputStream)`	Creates a new Output for writing to an OutputStream.
`UnsafeOutput(OutputStream outputStream, int bufferSize)`	Creates a new Output for writing to an OutputStream with the specified buffer size.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`write(int value)`	Writes a byte.
`void`	`writeBoolean(boolean value)`	Writes a 1 byte boolean.
`void`	`writeBooleans(boolean[] array, int offset, int count)`	Writes a boolean array in bulk.
`void`	`writeByte(byte value)`
`void`	`writeByte(int value)`
`void`	`writeBytes(byte[] array, int offset, int count)`	Writes the bytes.
`void`	`writeBytes(Object from, long offset, int count)`	Write count bytes to the byte buffer, reading from the given offset inside the in-memory representation of the object.
`void`	`writeChar(char value)`	Writes a 2 byte char.
`void`	`writeChars(char[] array, int offset, int count)`	Writes a char array in bulk.
`void`	`writeDouble(double value)`	Writes an 8 byte double.
`void`	`writeDoubles(double[] array, int offset, int count)`	Writes a double array in bulk.
`void`	`writeFloat(float value)`	Writes a 4 byte float.
`void`	`writeFloats(float[] array, int offset, int count)`	Writes a float array in bulk.
`void`	`writeInt(int value)`	Writes a 4 byte int.
`void`	`writeInts(int[] array, int offset, int count)`	Writes an int array in bulk.
`void`	`writeLong(long value)`	Writes an 8 byte long.
`void`	`writeLongs(long[] array, int offset, int count)`	Writes a long array in bulk.
`void`	`writeShort(int value)`	Writes a 2 byte short.
`void`	`writeShorts(short[] array, int offset, int count)`	Writes a short array in bulk.

Methods inherited from class com.esotericsoftware.kryo.io.Output
close, flush, getBuffer, getMaxCapacity, getOutputStream, getVariableLengthEncoding, intLength, longLength, position, require, reset, setBuffer, setBuffer, setOutputStream, setPosition, setVariableLengthEncoding, toBytes, total, varIntLength, varLongLength, write, write, writeAscii, writeBytes, writeInt, writeInt, writeInts, writeLong, writeLong, writeLongs, writeString, writeVarDouble, writeVarFloat, writeVarInt, writeVarIntFlag, writeVarLong

Methods inherited from class java.io.OutputStream
nullOutputStream

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - UnsafeOutput
```
public UnsafeOutput()
```
    Creates an uninitialized Output, Output.setBuffer(byte[], int) must be called before the Output is used.
  - UnsafeOutput
```
public UnsafeOutput(int bufferSize)
```
    Creates a new Output for writing to a byte[].
    
    Parameters:
    
    bufferSize - The size of the buffer. An exception is thrown if more bytes than this are written and Output.flush() does not empty the buffer.
  - UnsafeOutput
```
public UnsafeOutput(int bufferSize,
                    int maxBufferSize)
```
    Creates a new Output for writing to a byte[].
    
    Parameters:
    
    bufferSize - The initial size of the buffer.
    
    maxBufferSize - If Output.flush() does not empty the buffer, the buffer is doubled as needed until it exceeds maxBufferSize and an exception is thrown. Can be -1 for no maximum.
  - UnsafeOutput
```
public UnsafeOutput(byte[] buffer)
```
    Creates a new Output for writing to a byte[].
    
    See Also:
    
    Output.setBuffer(byte[])
  - UnsafeOutput
```
public UnsafeOutput(byte[] buffer,
                    int maxBufferSize)
```
    Creates a new Output for writing to a byte[].
    
    See Also:
    
    Output.setBuffer(byte[], int)
  - UnsafeOutput
```
public UnsafeOutput(OutputStream outputStream)
```
    Creates a new Output for writing to an OutputStream. A buffer size of 4096 is used.
  - UnsafeOutput
```
public UnsafeOutput(OutputStream outputStream,
                    int bufferSize)
```
    Creates a new Output for writing to an OutputStream with the specified buffer size.
- Method Detail
  - write
```
public void write(int value)
           throws KryoException
```
    Description copied from class: Output
    
    Writes a byte.
    
    Overrides:
    
    write in class Output
    
    Throws:
    
    KryoException
  - writeByte
```
public void writeByte(byte value)
               throws KryoException
```
    Overrides:
    
    writeByte in class Output
    
    Throws:
    
    KryoException
  - writeByte
```
public void writeByte(int value)
               throws KryoException
```
    Overrides:
    
    writeByte in class Output
    
    Throws:
    
    KryoException
  - writeInt
```
public void writeInt(int value)
              throws KryoException
```
    Description copied from class: Output
    
    Writes a 4 byte int.
    
    Overrides:
    
    writeInt in class Output
    
    Throws:
    
    KryoException
  - writeLong
```
public void writeLong(long value)
               throws KryoException
```
    Description copied from class: Output
    
    Writes an 8 byte long.
    
    Overrides:
    
    writeLong in class Output
    
    Throws:
    
    KryoException
  - writeFloat
```
public void writeFloat(float value)
                throws KryoException
```
    Description copied from class: Output
    
    Writes a 4 byte float.
    
    Overrides:
    
    writeFloat in class Output
    
    Throws:
    
    KryoException
  - writeDouble
```
public void writeDouble(double value)
                 throws KryoException
```
    Description copied from class: Output
    
    Writes an 8 byte double.
    
    Overrides:
    
    writeDouble in class Output
    
    Throws:
    
    KryoException
  - writeShort
```
public void writeShort(int value)
                throws KryoException
```
    Description copied from class: Output
    
    Writes a 2 byte short.
    
    Overrides:
    
    writeShort in class Output
    
    Throws:
    
    KryoException
  - writeChar
```
public void writeChar(char value)
               throws KryoException
```
    Description copied from class: Output
    
    Writes a 2 byte char.
    
    Overrides:
    
    writeChar in class Output
    
    Throws:
    
    KryoException
  - writeBoolean
```
public void writeBoolean(boolean value)
                  throws KryoException
```
    Description copied from class: Output
    
    Writes a 1 byte boolean.
    
    Overrides:
    
    writeBoolean in class Output
    
    Throws:
    
    KryoException
  - writeInts
```
public void writeInts(int[] array,
                      int offset,
                      int count)
               throws KryoException
```
    Description copied from class: Output
    
    Writes an int array in bulk. This may be more efficient than writing them individually.
    
    Overrides:
    
    writeInts in class Output
    
    Throws:
    
    KryoException
  - writeLongs
```
public void writeLongs(long[] array,
                       int offset,
                       int count)
                throws KryoException
```
    Description copied from class: Output
    
    Writes a long array in bulk. This may be more efficient than writing them individually.
    
    Overrides:
    
    writeLongs in class Output
    
    Throws:
    
    KryoException
  - writeFloats
```
public void writeFloats(float[] array,
                        int offset,
                        int count)
                 throws KryoException
```
    Description copied from class: Output
    
    Writes a float array in bulk. This may be more efficient than writing them individually.
    
    Overrides:
    
    writeFloats in class Output
    
    Throws:
    
    KryoException
  - writeDoubles
```
public void writeDoubles(double[] array,
                         int offset,
                         int count)
                  throws KryoException
```
    Description copied from class: Output
    
    Writes a double array in bulk. This may be more efficient than writing them individually.
    
    Overrides:
    
    writeDoubles in class Output
    
    Throws:
    
    KryoException
  - writeShorts
```
public void writeShorts(short[] array,
                        int offset,
                        int count)
                 throws KryoException
```
    Description copied from class: Output
    
    Writes a short array in bulk. This may be more efficient than writing them individually.
    
    Overrides:
    
    writeShorts in class Output
    
    Throws:
    
    KryoException
  - writeChars
```
public void writeChars(char[] array,
                       int offset,
                       int count)
                throws KryoException
```
    Description copied from class: Output
    
    Writes a char array in bulk. This may be more efficient than writing them individually.
    
    Overrides:
    
    writeChars in class Output
    
    Throws:
    
    KryoException
  - writeBooleans
```
public void writeBooleans(boolean[] array,
                          int offset,
                          int count)
                   throws KryoException
```
    Description copied from class: Output
    
    Writes a boolean array in bulk. This may be more efficient than writing them individually.
    
    Overrides:
    
    writeBooleans in class Output
    
    Throws:
    
    KryoException
  - writeBytes
```
public void writeBytes(byte[] array,
                       int offset,
                       int count)
                throws KryoException
```
    Description copied from class: Output
    
    Writes the bytes. Note the number of bytes is not written.
    
    Overrides:
    
    writeBytes in class Output
    
    Throws:
    
    KryoException
  - writeBytes
```
public void writeBytes(Object from,
                       long offset,
                       int count)
                throws KryoException
```
    Write count bytes to the byte buffer, reading from the given offset inside the in-memory representation of the object.
    
    Throws:
    
    KryoException

Class UnsafeOutput

Field Summary

Fields inherited from class com.esotericsoftware.kryo.io.Output

Constructor Summary

Method Summary

Methods inherited from class com.esotericsoftware.kryo.io.Output

Methods inherited from class java.io.OutputStream

Methods inherited from class java.lang.Object

Constructor Detail

UnsafeOutput

UnsafeOutput

UnsafeOutput

UnsafeOutput

UnsafeOutput

UnsafeOutput

UnsafeOutput

Method Detail

write

writeByte

writeByte

writeInt

writeLong

writeFloat

writeDouble

writeShort

writeChar

writeBoolean

writeInts

writeLongs

writeFloats

writeDoubles

writeShorts

writeChars

writeBooleans

writeBytes

writeBytes