Package org.apache.cassandra.io.util

Class TrackedDataInputPlus

java.lang.Object

org.apache.cassandra.io.util.TrackedDataInputPlus

All Implemented Interfaces:

java.io.DataInput, BytesReadTracker, DataInputPlus

public class TrackedDataInputPlus
extends java.lang.Object
implements DataInputPlus, BytesReadTracker

This class is to track bytes read from given DataInput

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.cassandra.io.util.DataInputPlus

DataInputPlus.DataInputStreamPlus

Constructor Summary

Constructors

Constructor	Description
TrackedDataInputPlus(java.io.DataInput source)	Create a TrackedDataInputPlus from given DataInput with no limit of bytes to read
TrackedDataInputPlus(java.io.DataInput source, long limit)	Create a TrackedDataInputPlus from given DataInput with limit of bytes to read.

Method Summary

Modifier and Type	Method	Description
long	getBytesRead()
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()
void	reset(long count)	reset counter to @param count
int	skipBytes(int n)	Always skips the requested number of bytes, unless EOF is reached

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cassandra.io.util.DataInputPlus

readUnsignedVInt, readVInt, skipBytesFully

Constructor Detail

TrackedDataInputPlus

public TrackedDataInputPlus(java.io.DataInput source)

Create a TrackedDataInputPlus from given DataInput with no limit of bytes to read

TrackedDataInputPlus

public TrackedDataInputPlus(java.io.DataInput source,
                            long limit)

Create a TrackedDataInputPlus from given DataInput with limit of bytes to read. If limit is reached IOException will be thrown when trying to read more bytes.

Method Detail

getBytesRead

public long getBytesRead()

Specified by:

getBytesRead in interface BytesReadTracker

reset

public void reset(long count)

reset counter to @param count

Specified by:

reset in interface BytesReadTracker

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

readChar

public char readChar()
              throws java.io.IOException

Specified by:

readChar 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

readFloat

public float readFloat()
                throws java.io.IOException

Specified by:

readFloat 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

readFully

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

Specified by:

readFully 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

readLine

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

Specified by:

readLine 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

readShort

public short readShort()
                throws java.io.IOException

Specified by:

readShort in interface java.io.DataInput

Throws:

java.io.IOException

readUTF

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

Specified by:

readUTF 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

readUnsignedShort

public int readUnsignedShort()
                      throws java.io.IOException

Specified by:

readUnsignedShort in interface java.io.DataInput

Throws:

java.io.IOException

skipBytes

public int skipBytes(int n)
              throws java.io.IOException

Description copied from interface: DataInputPlus

Always skips the requested number of bytes, unless EOF is reached

Specified by:

skipBytes in interface java.io.DataInput

Specified by:

skipBytes in interface DataInputPlus

Parameters:

n - number of bytes to skip

Returns:

number of bytes skipped

Throws:

java.io.IOException