io.lacuna.bifurcan.durable.io

Class DurableBuffer

java.lang.Object

io.lacuna.bifurcan.durable.io.DurableBuffer

All Implemented Interfaces:

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

public class DurableBuffer
extends java.lang.Object
implements DurableOutput

A DurableOutput which will incrementally flush its contents to disk.

Field Summary

Fields

Modifier and Type	Field and Description
static int	MAX_BUFFER_SIZE

Constructor Summary

Constructors

Constructor and Description
DurableBuffer()

Method Summary

Modifier and Type	Method and Description
void	append(java.lang.Iterable<IBuffer> buffers) Appends buffers to the output.
void	close()
void	flush() Flushes any buffered data to the underlying sink.
void	flushTo(DurableOutput out) Writes the contents of the accumulator to out, and frees the associated buffers.
void	flushTo(DurableOutput out, BlockPrefix.BlockType type)
static void	flushTo(DurableOutput out, BlockPrefix.BlockType type, java.util.function.Consumer<DurableBuffer> body)
static void	flushTo(DurableOutput out, java.util.function.Consumer<DurableBuffer> body)
void	free()
IList<IBuffer>	toBuffers()
DurableInput	toInput()
void	transferFrom(DurableInput in) Copies all bytes from in to the output.
int	write(java.nio.ByteBuffer src) Copies all bytes from src to the output, returning the number of bytes copied.
void	writeByte(int v) Writes an int8 to the output.
void	writeChar(int v) Writes an int16 to the output.
void	writeDouble(double v) Writes a float64 to the output.
void	writeFloat(float v) Writes a float32 to the output.
void	writeInt(int v) Writes an int32 to the output.
void	writeLong(long v) Writes an int64 to the output.
void	writeShort(int v) Writes an int16 to the output.
long	written()

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.lacuna.bifurcan.DurableOutput

asOutputStream, from, from, write, write, write, writeBoolean, writeBytes, writeChars, writeUnsignedByte, writeUnsignedInt, writeUnsignedShort, writeUTF, writeUVLQ, writeVLQ

Field Detail

MAX_BUFFER_SIZE

public static final int MAX_BUFFER_SIZE

See Also:

Constant Field Values

Constructor Detail

DurableBuffer

public DurableBuffer()

Method Detail

flushTo

public static void flushTo(DurableOutput out,
                           java.util.function.Consumer<DurableBuffer> body)

flushTo

public static void flushTo(DurableOutput out,
                           BlockPrefix.BlockType type,
                           java.util.function.Consumer<DurableBuffer> body)

flushTo

public void flushTo(DurableOutput out)

Writes the contents of the accumulator to out, and frees the associated buffers.

toInput

public DurableInput toInput()

toBuffers

public IList<IBuffer> toBuffers()

flushTo

public void flushTo(DurableOutput out,
                    BlockPrefix.BlockType type)

free

public void free()

close

public void close()

Specified by:

close in interface DurableOutput

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

flush

public void flush()

Description copied from interface: DurableOutput

Flushes any buffered data to the underlying sink.

Specified by:

flush in interface DurableOutput

Specified by:

flush in interface java.io.Flushable

written

public long written()

Specified by:

written in interface DurableOutput

Returns:

the number of bytes written to the output

write

public int write(java.nio.ByteBuffer src)

Description copied from interface: DurableOutput

Copies all bytes from src to the output, returning the number of bytes copied.

Specified by:

write in interface DurableOutput

transferFrom

public void transferFrom(DurableInput in)

Description copied from interface: DurableOutput

Copies all bytes from in to the output.

Specified by:

transferFrom in interface DurableOutput

append

public void append(java.lang.Iterable<IBuffer> buffers)

Description copied from interface: DurableOutput

Appends buffers to the output. Intended for internal use, may be subject to change.

Specified by:

append in interface DurableOutput

writeByte

public void writeByte(int v)

Description copied from interface: DurableOutput

Writes an int8 to the output.

Specified by:

writeByte in interface DurableOutput

Specified by:

writeByte in interface java.io.DataOutput

writeShort

public void writeShort(int v)

Description copied from interface: DurableOutput

Writes an int16 to the output.

Specified by:

writeShort in interface DurableOutput

Specified by:

writeShort in interface java.io.DataOutput

writeChar

public void writeChar(int v)

Description copied from interface: DurableOutput

Writes an int16 to the output.

Specified by:

writeChar in interface DurableOutput

Specified by:

writeChar in interface java.io.DataOutput

writeInt

public void writeInt(int v)

Description copied from interface: DurableOutput

Writes an int32 to the output.

Specified by:

writeInt in interface DurableOutput

Specified by:

writeInt in interface java.io.DataOutput

writeLong

public void writeLong(long v)

Description copied from interface: DurableOutput

Writes an int64 to the output.

Specified by:

writeLong in interface DurableOutput

Specified by:

writeLong in interface java.io.DataOutput

writeFloat

public void writeFloat(float v)

Description copied from interface: DurableOutput

Writes a float32 to the output.

Specified by:

writeFloat in interface DurableOutput

Specified by:

writeFloat in interface java.io.DataOutput

writeDouble

public void writeDouble(double v)

Description copied from interface: DurableOutput

Writes a float64 to the output.

Specified by:

writeDouble in interface DurableOutput

Specified by:

writeDouble in interface java.io.DataOutput