org.apache.giraph.utils

Class ExtendedByteArrayDataInput

java.lang.Object

java.io.InputStream

java.io.ByteArrayInputStream

org.apache.giraph.utils.ExtendedByteArrayDataInput

All Implemented Interfaces:

Closeable, DataInput, AutoCloseable, ExtendedDataInput

public class ExtendedByteArrayDataInput
extends ByteArrayInputStream
implements ExtendedDataInput

Provides access to a internals of ByteArrayInputStream

Field Summary

Fields inherited from class java.io.ByteArrayInputStream

buf, count, mark, pos

Constructor Summary

Constructors

Constructor and Description
ExtendedByteArrayDataInput(byte[] buf) Constructor
ExtendedByteArrayDataInput(byte[] buf, int offset, int length) Get access to portion of a byte array

Method Summary

Modifier and Type	Method and Description
boolean	endOfInput() Check if we read everything from the input
int	getPos() Get the position of what has been read
boolean	readBoolean()
byte	readByte()
char	readChar()
double	readDouble()
float	readFloat()
void	readFully(byte[] b)
void	readFully(byte[] b, int off, int len)
int	readInt()
String	readLine()
long	readLong()
short	readShort()
int	readUnsignedByte()
int	readUnsignedShort()
String	readUTF()
int	skipBytes(int n)

Methods inherited from class java.io.ByteArrayInputStream

available, close, mark, markSupported, read, read, reset, skip

Methods inherited from class java.io.InputStream

read

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.giraph.utils.ExtendedDataInput

available

Constructor Detail

ExtendedByteArrayDataInput

public ExtendedByteArrayDataInput(byte[] buf)

Constructor

Parameters:

buf - Buffer to read

ExtendedByteArrayDataInput

public ExtendedByteArrayDataInput(byte[] buf,
                                  int offset,
                                  int length)

Get access to portion of a byte array

Parameters:

buf - Byte array to access

offset - Offset into the byte array

length - Length to read

Method Detail

getPos

public int getPos()

Description copied from interface: ExtendedDataInput

Get the position of what has been read

Specified by:

getPos in interface ExtendedDataInput

Returns:

How many bytes have been read?

endOfInput

public boolean endOfInput()

Description copied from interface: ExtendedDataInput

Check if we read everything from the input

Specified by:

endOfInput in interface ExtendedDataInput

Returns:

True iff we read everything from the input

readFully

public void readFully(byte[] b)
               throws IOException

Specified by:

readFully in interface DataInput

Throws:

IOException

readFully

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

Specified by:

readFully in interface DataInput

Throws:

IOException

skipBytes

public int skipBytes(int n)
              throws IOException

Specified by:

skipBytes in interface DataInput

Throws:

IOException

readBoolean

public boolean readBoolean()
                    throws IOException

Specified by:

readBoolean in interface DataInput

Throws:

IOException

readByte

public byte readByte()
              throws IOException

Specified by:

readByte in interface DataInput

Throws:

IOException

readUnsignedByte

public int readUnsignedByte()
                     throws IOException

Specified by:

readUnsignedByte in interface DataInput

Throws:

IOException

readShort

public short readShort()
                throws IOException

Specified by:

readShort in interface DataInput

Throws:

IOException

readUnsignedShort

public int readUnsignedShort()
                      throws IOException

Specified by:

readUnsignedShort in interface DataInput

Throws:

IOException

readChar

public char readChar()
              throws IOException

Specified by:

readChar in interface DataInput

Throws:

IOException

readInt

public int readInt()
            throws IOException

Specified by:

readInt in interface DataInput

Throws:

IOException

readLong

public long readLong()
              throws IOException

Specified by:

readLong in interface DataInput

Throws:

IOException

readFloat

public float readFloat()
                throws IOException

Specified by:

readFloat in interface DataInput

Throws:

IOException

readDouble

public double readDouble()
                  throws IOException

Specified by:

readDouble in interface DataInput

Throws:

IOException

readLine

public String readLine()
                throws IOException

Specified by:

readLine in interface DataInput

Throws:

IOException

readUTF

public String readUTF()
               throws IOException

Specified by:

readUTF in interface DataInput

Throws:

IOException