org.apache.cassandra.io.util

Class DataOutputByteBuffer

java.lang.Object

java.io.OutputStream

org.apache.cassandra.io.util.AbstractDataOutput

org.apache.cassandra.io.util.DataOutputByteBuffer

All Implemented Interfaces:

java.io.Closeable, java.io.DataOutput, java.io.Flushable, java.lang.AutoCloseable, DataOutputPlus

public final class DataOutputByteBuffer
extends AbstractDataOutput

An implementation of the DataOutputStream interface using a FastByteArrayOutputStream and exposing its buffer so copies can be avoided. This class is completely thread unsafe.

Constructor Summary

Constructors

Constructor and Description
DataOutputByteBuffer(java.nio.ByteBuffer buffer)

Method Summary

Modifier and Type	Method and Description
void	write(byte[] b, int off, int len) Writes count bytes from the byte array buffer starting at offset to this RandomAccessFile starting at the current file pointer..
void	write(java.nio.ByteBuffer buffer)
void	write(int b) Writes the specified byte oneByte to this RandomAccessFile starting at the current file pointer.

Methods inherited from class org.apache.cassandra.io.util.AbstractDataOutput

write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF

Methods inherited from class java.io.OutputStream

close, flush

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DataOutputByteBuffer

public DataOutputByteBuffer(java.nio.ByteBuffer buffer)

Method Detail

write

public void write(int b)

Description copied from class: AbstractDataOutput

Writes the specified byte oneByte to this RandomAccessFile starting at the current file pointer. Only the low order byte of oneByte is written.

Specified by:

write in interface java.io.DataOutput

Specified by:

write in class AbstractDataOutput

Parameters:

b - the byte to be written

write

public void write(byte[] b,
                  int off,
                  int len)

Description copied from class: AbstractDataOutput

Writes count bytes from the byte array buffer starting at offset to this RandomAccessFile starting at the current file pointer..

Specified by:

write in interface java.io.DataOutput

Specified by:

write in class AbstractDataOutput

Parameters:

b - the bytes to be written

off - offset in buffer to get bytes

len - number of bytes in buffer to write

write

public void write(java.nio.ByteBuffer buffer)
           throws java.io.IOException

Specified by:

write in interface DataOutputPlus

Overrides:

write in class AbstractDataOutput

Throws:

java.io.IOException