com.espertech.esper.common.internal.serde.serdeset.builtin

Class FastByteArrayInputStream

java.lang.Object

java.io.InputStream

com.espertech.esper.common.internal.serde.serdeset.builtin.FastByteArrayInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class FastByteArrayInputStream
extends InputStream

Fast byte array input stream, does not synchronize or check buffer overflow.

Constructor Summary

Constructors

Constructor and Description
FastByteArrayInputStream(byte[] buffer) Ctor.
FastByteArrayInputStream(byte[] buffer, int offset, int length) Ctor.

Method Summary

Modifier and Type	Method and Description
int	available()
byte[]	getBytes() Returns the buffer.
int	getLength() Returns buffer length.
int	getOffset() Returns buffer offset.
void	mark(int readLimit)
boolean	markSupported()
int	read()
int	read(byte[] toBuf)
int	read(byte[] target, int offset, int length) Read bytes to buffer.
int	readFast() Fast read without sync.
int	readFast(byte[] target) Read bytes.
int	readFast(byte[] target, int offset, int length) Read bytes.
void	reset()
void	setBytes(byte[] bytes) Sets buffer.
void	setLength(int length) Set length of buffer.
void	setOffset(int offset) Sets buffer offset.
long	skip(long count)
void	skipFast(int count) Fast skip.

Methods inherited from class java.io.InputStream

close

Methods inherited from class java.lang.Object

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

Constructor Detail

FastByteArrayInputStream

public FastByteArrayInputStream(byte[] buffer)

Ctor.

Parameters:

buffer - to use

FastByteArrayInputStream

public FastByteArrayInputStream(byte[] buffer,
                                int offset,
                                int length)

Ctor.

Parameters:

buffer - buffer to use

offset - offset to start at

length - length of buffer to use

Method Detail

getBytes

public final byte[] getBytes()

Returns the buffer.

Returns:

buffer

getLength

public final int getLength()

Returns buffer length.

Returns:

length

getOffset

public final int getOffset()

Returns buffer offset.

Returns:

offset

setBytes

public void setBytes(byte[] bytes)

Sets buffer.

Parameters:

bytes - to set

setLength

public void setLength(int length)

Set length of buffer.

Parameters:

length - buffer length

setOffset

public void setOffset(int offset)

Sets buffer offset.

Parameters:

offset - to set

read

public int read(byte[] target,
                int offset,
                int length)
         throws IOException

Read bytes to buffer.

Overrides:

read in class InputStream

Parameters:

target - target buffer

offset - buffer offset

length - buffer length

Returns:

number of bytes read

Throws:

IOException - indicates error

available

public int available()

Overrides:

available in class InputStream

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] toBuf)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

reset

public void reset()

Overrides:

reset in class InputStream

skip

public long skip(long count)

Overrides:

skip in class InputStream

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream

mark

public void mark(int readLimit)

Overrides:

mark in class InputStream

skipFast

public final void skipFast(int count)

Fast skip.

Parameters:

count - bytes to skip

readFast

public final int readFast()

Fast read without sync.

Returns:

read byte

readFast

public final int readFast(byte[] target)

Read bytes.

Parameters:

target - to fill

Returns:

num bytes

readFast

public final int readFast(byte[] target,
                          int offset,
                          int length)

Read bytes.

Parameters:

target - to fill

offset - to fill

length - length to use

Returns:

num bytes read