org.apache.cassandra.io.util

Interface DataOutputPlus

All Superinterfaces:

java.io.DataOutput

All Known Implementing Classes:

BufferedDataOutputStreamPlus, DataOutputBuffer, DataOutputBufferFixed, DataOutputStreamPlus, EncodedDataOutputStream, SafeMemoryWriter, UnbufferedDataOutputStreamPlus, WrappedDataOutputStreamPlus

public interface DataOutputPlus
extends java.io.DataOutput

Extension to DataOutput that provides for writing ByteBuffer and Memory, potentially with an efficient implementation that is zero copy or at least has reduced bounds checking overhead.

Method Summary

Modifier and Type	Method and Description
<R> R	applyToChannel(com.google.common.base.Function<java.nio.channels.WritableByteChannel,R> c) Safe way to operate against the underlying channel.
void	write(java.nio.ByteBuffer buffer)
void	write(Memory memory, long offset, long length)

Methods inherited from interface java.io.DataOutput

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

Method Detail

write

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

Throws:

java.io.IOException

write

void write(Memory memory,
           long offset,
           long length)
    throws java.io.IOException

Throws:

java.io.IOException

applyToChannel

<R> R applyToChannel(com.google.common.base.Function<java.nio.channels.WritableByteChannel,R> c)
              throws java.io.IOException

Safe way to operate against the underlying channel. Impossible to stash a reference to the channel and forget to flush

Throws:

java.io.IOException