uk.ac.leeds.ccg.andyt.projects.moses.io
Class AbstractDataHandler

java.lang.Object
  uk.ac.leeds.ccg.andyt.projects.moses.utilities.AbstractLog
      uk.ac.leeds.ccg.andyt.projects.moses.io.AbstractDataHandler

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

AbstractCASDataHandler, HSARDataHandler, ISARDataHandler

public abstract class AbstractDataHandler
extends AbstractLog
implements java.io.Serializable

Abstract class for handling AbstractDataRecords

See Also:

Serialized Form

Field Summary

protected java.io.File	_Directory The workspace directory.
protected java.io.File	_File Formatted File for AbstractDataRecords.
protected java.io.RandomAccessFile	_RandomAccessFile RandomAccessFile of _File for AbstractDataRecords
protected long	_RecordLength For storing the length of an AbstractDataRecord that this Handler handles in measured in byte units and stored as a long.

Fields inherited from class uk.ac.leeds.ccg.andyt.projects.moses.utilities.AbstractLog

_Logger, _Logger_FileHandler

Constructor Summary

AbstractDataHandler()

Method Summary

java.io.File	get_Directory()
long	get_RecordLength() Returns a copy of _RecordLength.
abstract AbstractDataRecord	getDataRecord(long RecordID)
long	getNDataRecords()
void	init(java.io.File _Directory)
void	init(java.util.logging.Level aLevel, java.io.File _Directory)
protected void	load(java.io.File _File) Set: this._File = _File this.tRandomAccessFile = new RandomAccessFile(_File,"r" )
protected void	print(int n, java.util.Random random) Prints a random set of n AbstractDataRecords via System.out.println()

Methods inherited from class uk.ac.leeds.ccg.andyt.projects.moses.utilities.AbstractLog

init_Logger, init_Logger, init_Logger, log, log

Methods inherited from class java.lang.Object

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

Field Detail

_RecordLength

protected long _RecordLength

For storing the length of an AbstractDataRecord that this Handler handles in measured in byte units and stored as a long.

_File

protected java.io.File _File

Formatted File for AbstractDataRecords.

_Directory

protected java.io.File _Directory

The workspace directory.

_RandomAccessFile

protected transient java.io.RandomAccessFile _RandomAccessFile

RandomAccessFile of _File for AbstractDataRecords

Constructor Detail

AbstractDataHandler

public AbstractDataHandler()

Method Detail

get_RecordLength

public long get_RecordLength()

Returns a copy of _RecordLength.

get_Directory

public java.io.File get_Directory()

init

public void init(java.util.logging.Level aLevel,
                 java.io.File _Directory)

init

public void init(java.io.File _Directory)

load

protected void load(java.io.File _File)

Set: this._File = _File this.tRandomAccessFile = new RandomAccessFile(_File,"r" )

Parameters:

_File - Formatted File containing AbstractDataRecords.

getNDataRecords

public long getNDataRecords()

Returns:

The number of AbstractDataRecords in this.tRandomAccessFile

getDataRecord

public abstract AbstractDataRecord getDataRecord(long RecordID)

Parameters:

RecordID - The RecordID of the AbstractDataRecord to be returned.

Returns:

An AbstractDataRecord for the given RecordID

print

protected void print(int n,
                     java.util.Random random)
              throws java.io.IOException

Prints a random set of n AbstractDataRecords via System.out.println()

Parameters:

n - the number of AbstractDataRecords to print out

random - the Random used for selecting AbstractDataRecords to print

Throws:

java.io.IOException