Class TwoBitRandomAccessFile

java.lang.Object

TwoBitRandomAccessFile

All Implemented Interfaces:

java.lang.AutoCloseable

public class TwoBitRandomAccessFile
extends java.lang.Object
implements java.lang.AutoCloseable

Constructor Summary

Constructors

Constructor and Description
TwoBitRandomAccessFile(java.io.File file) Opens the given File as a read/write RandomAccessFile
TwoBitRandomAccessFile(java.io.File file, int numTwoBits) Opens the given File as a read/write RandomAccessFile with a capacity for the given number of two-bit data items.
TwoBitRandomAccessFile(java.lang.String filename) Opens the File of the given filename as a read/write RandomAccessFile
TwoBitRandomAccessFile(java.lang.String filename, int numTwoBits) Opens the File of the given filename as a read/write RandomAccessFile with a capacity for the given number of two-bit data items.

Method Summary

Modifier and Type	Method and Description
void	clear() Set all two-bit file positions to value 0.
void	close() Close the two-bit random access file.
int	get(long pos) Get and return the unsigned two-bit value at the given two-bit file position.
void	set(long pos, int val) Set the given two-bit file position to the given unsigned two-bit value.

Methods inherited from class java.lang.Object

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

Constructor Detail

TwoBitRandomAccessFile

public TwoBitRandomAccessFile(java.io.File file)
                       throws java.io.FileNotFoundException

Opens the given File as a read/write RandomAccessFile

Parameters:

file - given File

Throws:

java.io.FileNotFoundException

TwoBitRandomAccessFile

public TwoBitRandomAccessFile(java.lang.String filename)
                       throws java.io.FileNotFoundException

Opens the File of the given filename as a read/write RandomAccessFile

Parameters:

filename - given filename

Throws:

java.io.FileNotFoundException

TwoBitRandomAccessFile

public TwoBitRandomAccessFile(java.io.File file,
                              int numTwoBits)
                       throws java.io.IOException

Opens the given File as a read/write RandomAccessFile with a capacity for the given number of two-bit data items.

Parameters:

file - given File

numTwoBits - the given number of two-bit data items

Throws:

java.io.IOException

TwoBitRandomAccessFile

public TwoBitRandomAccessFile(java.lang.String filename,
                              int numTwoBits)
                       throws java.io.IOException

Opens the File of the given filename as a read/write RandomAccessFile with a capacity for the given number of two-bit data items.

Parameters:

filename - given filename

numTwoBits - the given number of two-bit data items

Throws:

java.io.IOException

Method Detail

set

public void set(long pos,
                int val)
         throws java.io.IOException

Set the given two-bit file position to the given unsigned two-bit value.

Parameters:

pos - two-bit file position

val - unsigned two-bit value

Throws:

java.io.IOException

get

public int get(long pos)
        throws java.io.IOException

Get and return the unsigned two-bit value at the given two-bit file position.

Parameters:

pos - two-bit file position

Returns:

the unsigned two-bit value at the given two-bit file position

Throws:

java.io.IOException

clear

public void clear()
           throws java.io.IOException

Set all two-bit file positions to value 0.

Throws:

java.io.IOException

close

public void close()
           throws java.lang.Exception

Close the two-bit random access file.

Specified by:

close in interface java.lang.AutoCloseable

Throws:

java.lang.Exception