org.apache.cassandra.io.util

Class DataOutputBuffer

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

java.io.DataOutputStream

org.apache.cassandra.io.util.DataOutputBuffer

All Implemented Interfaces:

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

public final class DataOutputBuffer
extends java.io.DataOutputStream

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

Field Summary

Fields inherited from class java.io.DataOutputStream

written

Fields inherited from class java.io.FilterOutputStream

out

Constructor Summary

Constructors

Constructor and Description
DataOutputBuffer()
DataOutputBuffer(int size)

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	getData() Returns the current contents of the buffer.
int	getLength() Returns the length of the valid data currently in the buffer.
void	write(byte[] b, int off, int len)
void	write(int b)

Methods inherited from class java.io.DataOutputStream

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

Methods inherited from class java.io.FilterOutputStream

close, write

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.DataOutput

write

Constructor Detail

DataOutputBuffer

public DataOutputBuffer()

DataOutputBuffer

public DataOutputBuffer(int size)

Method Detail

write

public void write(int b)

Specified by:

write in interface java.io.DataOutput

Overrides:

write in class java.io.DataOutputStream

write

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

Specified by:

write in interface java.io.DataOutput

Overrides:

write in class java.io.DataOutputStream

getData

public byte[] getData()

Returns the current contents of the buffer. Data is only valid to getLength().

getLength

public int getLength()

Returns the length of the valid data currently in the buffer.