Package org.apache.hugegraph.computer.core.io

Class UnsafeBytesInput

java.lang.Object

org.apache.hugegraph.computer.core.io.UnsafeBytesInput

All Implemented Interfaces:

java.io.Closeable, java.io.DataInput, java.lang.AutoCloseable, org.apache.hugegraph.computer.core.io.BytesInput, org.apache.hugegraph.computer.core.io.RandomAccessInput

Direct Known Subclasses:

AbstractBufferedFileInput, BufferedStreamInput

public class UnsafeBytesInput
extends java.lang.Object
implements org.apache.hugegraph.computer.core.io.BytesInput

Constructor Summary

Constructors

Constructor	Description
UnsafeBytesInput(byte[] buffer)
UnsafeBytesInput(byte[] buffer, int limit)
UnsafeBytesInput(byte[] buffer, int position, int limit)

Method Summary

Modifier and Type	Method	Description
long	available()
protected byte[]	buffer()
void	close()
int	compare(long offset, long length, org.apache.hugegraph.computer.core.io.RandomAccessInput other, long otherOffset, long otherLength)
UnsafeBytesInput	duplicate()
int	limit()
protected void	limit(int limit)
long	position()
boolean	readBoolean()
byte	readByte()
char	readChar()
double	readDouble()
float	readFloat()
void	readFully(byte[] b)
void	readFully(byte[] b, int off, int len)
int	readInt()
java.lang.String	readLine()
long	readLong()
short	readShort()
int	readUnsignedByte()
int	readUnsignedShort()
java.lang.String	readUTF()
protected int	remaining()
protected void	require(int size)
void	seek(long position)
protected void	shiftBuffer()	Cut the content from 0 to position and copy the content from position to the end to 0.
long	skip(long bytesToSkip)
int	skipBytes(int n)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hugegraph.computer.core.io.RandomAccessInput

readBytes, readFixedInt

Constructor Detail

UnsafeBytesInput

public UnsafeBytesInput(byte[] buffer)

UnsafeBytesInput

public UnsafeBytesInput(byte[] buffer,
                        int limit)

UnsafeBytesInput

public UnsafeBytesInput(byte[] buffer,
                        int position,
                        int limit)

Method Detail

readFully

public void readFully(byte[] b)
               throws java.io.IOException

Specified by:

readFully in interface java.io.DataInput

Throws:

java.io.IOException

readFully

public void readFully(byte[] b,
                      int off,
                      int len)
               throws java.io.IOException

Specified by:

readFully in interface java.io.DataInput

Throws:

java.io.IOException

skipBytes

public int skipBytes(int n)

Specified by:

skipBytes in interface java.io.DataInput

readBoolean

public boolean readBoolean()
                    throws java.io.IOException

Specified by:

readBoolean in interface java.io.DataInput

Throws:

java.io.IOException

readByte

public byte readByte()
              throws java.io.IOException

Specified by:

readByte in interface java.io.DataInput

Throws:

java.io.IOException

readUnsignedByte

public int readUnsignedByte()
                     throws java.io.IOException

Specified by:

readUnsignedByte in interface java.io.DataInput

Throws:

java.io.IOException

readShort

public short readShort()
                throws java.io.IOException

Specified by:

readShort in interface java.io.DataInput

Throws:

java.io.IOException

readUnsignedShort

public int readUnsignedShort()
                      throws java.io.IOException

Specified by:

readUnsignedShort in interface java.io.DataInput

Throws:

java.io.IOException

readChar

public char readChar()
              throws java.io.IOException

Specified by:

readChar in interface java.io.DataInput

Throws:

java.io.IOException

readInt

public int readInt()
            throws java.io.IOException

Specified by:

readInt in interface java.io.DataInput

Throws:

java.io.IOException

readLong

public long readLong()
              throws java.io.IOException

Specified by:

readLong in interface java.io.DataInput

Throws:

java.io.IOException

readFloat

public float readFloat()
                throws java.io.IOException

Specified by:

readFloat in interface java.io.DataInput

Throws:

java.io.IOException

readDouble

public double readDouble()
                  throws java.io.IOException

Specified by:

readDouble in interface java.io.DataInput

Throws:

java.io.IOException

readLine

public java.lang.String readLine()

Specified by:

readLine in interface java.io.DataInput

readUTF

public java.lang.String readUTF()
                         throws java.io.IOException

Specified by:

readUTF in interface java.io.DataInput

Throws:

java.io.IOException

position

public long position()

Specified by:

position in interface org.apache.hugegraph.computer.core.io.RandomAccessInput

seek

public void seek(long position)
          throws java.io.IOException

Specified by:

seek in interface org.apache.hugegraph.computer.core.io.RandomAccessInput

Throws:

java.io.IOException

skip

public long skip(long bytesToSkip)
          throws java.io.IOException

Specified by:

skip in interface org.apache.hugegraph.computer.core.io.RandomAccessInput

Throws:

java.io.IOException

available

public long available()
               throws java.io.IOException

Specified by:

available in interface org.apache.hugegraph.computer.core.io.RandomAccessInput

Throws:

java.io.IOException

remaining

protected int remaining()

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException

duplicate

public UnsafeBytesInput duplicate()
                           throws java.io.IOException

Specified by:

duplicate in interface org.apache.hugegraph.computer.core.io.RandomAccessInput

Throws:

java.io.IOException

compare

public int compare(long offset,
                   long length,
                   org.apache.hugegraph.computer.core.io.RandomAccessInput other,
                   long otherOffset,
                   long otherLength)
            throws java.io.IOException

Specified by:

compare in interface org.apache.hugegraph.computer.core.io.RandomAccessInput

Throws:

java.io.IOException

require

protected void require(int size)
                throws java.io.IOException

Throws:

java.io.IOException

buffer

protected byte[] buffer()

shiftBuffer

protected void shiftBuffer()

Cut the content from 0 to position and copy the content from position to the end to 0.

limit

protected void limit(int limit)

limit

public int limit()