io.lacuna.bifurcan.durable.io

Class ConcatInput

java.lang.Object

io.lacuna.bifurcan.durable.io.ConcatInput

All Implemented Interfaces:

DurableInput, java.io.Closeable, java.io.DataInput, java.lang.AutoCloseable

public class ConcatInput
extends java.lang.Object
implements DurableInput

An implementation of DurableInput atop a series of DurableInputs.

Nested Class Summary

Nested classes/interfaces inherited from interface io.lacuna.bifurcan.DurableInput

DurableInput.Bounds, DurableInput.Pool

Field Summary

Fields

Modifier and Type	Field and Description
IntMap<DurableInput>	inputs

Constructor Summary

Constructors

Constructor and Description
ConcatInput(java.lang.Iterable<DurableInput> inputs, DurableInput.Bounds bounds)

Method Summary

Modifier and Type	Method and Description
DurableInput.Bounds	bounds()
void	close() Closes the input, freeing any resources associated with it.
DurableInput	duplicate()
DurableInput.Pool	pool()
long	position()
int	read(java.nio.ByteBuffer dst) Copies as many byte as possible into dst, and returns the number of bytes.
byte	readByte() Reads and advances past the next int8 value.
char	readChar() Reads and advances past the next int16 value.
double	readDouble() Reads and advances past the next float64 value.
float	readFloat() Reads and advances past the next float32 value.
int	readInt() Reads and advances past the next int32 value.
long	readLong() Reads and advances past the next int64 value.
short	readShort() Reads and advances past the next int16 value.
long	remaining()
DurableInput	seek(long position) Updates the position of the input, and returns itself.
DurableInput	slice(long start, long end)

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.DurableInput

asInputStream, from, hasRemaining, hexBytes, peekPrefix, readBoolean, readFully, readFully, readLine, readPrefix, readUnsignedByte, readUnsignedInt, readUnsignedShort, readUTF, readUVLQ, readVLQ, size, skipBlock, skipBytes, skipBytes, sliceBlock, sliceBytes, slicePrefixedBlock

Field Detail

inputs

public final IntMap<DurableInput> inputs

Constructor Detail

ConcatInput

public ConcatInput(java.lang.Iterable<DurableInput> inputs,
                   DurableInput.Bounds bounds)

Method Detail

pool

public DurableInput.Pool pool()

Specified by:

pool in interface DurableInput

Returns:

a pool that can be used to provide future access to this input, potentially on another thread

bounds

public DurableInput.Bounds bounds()

Specified by:

bounds in interface DurableInput

duplicate

public DurableInput duplicate()

Specified by:

duplicate in interface DurableInput

Returns:

an identical input, with the same position, but with an independently movable cursor

slice

public DurableInput slice(long start,
                          long end)

Specified by:

slice in interface DurableInput

Returns:

an input representing the byte interval between [start, end)

close

public void close()

Description copied from interface: DurableInput

Closes the input, freeing any resources associated with it.

Specified by:

close in interface DurableInput

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

seek

public DurableInput seek(long position)

Description copied from interface: DurableInput

Updates the position of the input, and returns itself.

Specified by:

seek in interface DurableInput

remaining

public long remaining()

Specified by:

remaining in interface DurableInput

Returns:

the number of bytes between the end of the input and the current position

position

public long position()

Specified by:

position in interface DurableInput

Returns:

the position of the input

read

public int read(java.nio.ByteBuffer dst)

Description copied from interface: DurableInput

Copies as many byte as possible into dst, and returns the number of bytes.

Specified by:

read in interface DurableInput

readByte

public byte readByte()

Description copied from interface: DurableInput

Reads and advances past the next int8 value.

Specified by:

readByte in interface DurableInput

Specified by:

readByte in interface java.io.DataInput

readShort

public short readShort()

Description copied from interface: DurableInput

Reads and advances past the next int16 value.

Specified by:

readShort in interface DurableInput

Specified by:

readShort in interface java.io.DataInput

readChar

public char readChar()

Description copied from interface: DurableInput

Reads and advances past the next int16 value.

Specified by:

readChar in interface DurableInput

Specified by:

readChar in interface java.io.DataInput

readInt

public int readInt()

Description copied from interface: DurableInput

Reads and advances past the next int32 value.

Specified by:

readInt in interface DurableInput

Specified by:

readInt in interface java.io.DataInput

readLong

public long readLong()

Description copied from interface: DurableInput

Reads and advances past the next int64 value.

Specified by:

readLong in interface DurableInput

Specified by:

readLong in interface java.io.DataInput

readFloat

public float readFloat()

Description copied from interface: DurableInput

Reads and advances past the next float32 value.

Specified by:

readFloat in interface DurableInput

Specified by:

readFloat in interface java.io.DataInput

readDouble

public double readDouble()

Description copied from interface: DurableInput

Reads and advances past the next float64 value.

Specified by:

readDouble in interface DurableInput

Specified by:

readDouble in interface java.io.DataInput