modnlp.idx.database

Class TPosTable

java.lang.Object

modnlp.idx.database.TPosTable

public class TPosTable
extends java.lang.Object

Store all files token offsets for a particular file (seq_integer)

  
       KEY           |  DATA
   ------------------|-------------------
      seq_integer    |  [pos0, pos1-pos0, pos2-pos1, ...]
  

See Also:

Field Summary

Fields

Modifier and Type	Field and Description
protected com.sleepycat.je.Database	database
protected java.lang.String	dbname
protected com.sleepycat.je.Environment	environment
protected LogStream	logf

Constructor Summary

Constructors

Constructor and Description
TPosTable(com.sleepycat.je.Environment env, java.lang.String fn, boolean write)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
void	dump()
static boolean	exists(com.sleepycat.je.Environment env, java.lang.String fn)
void	finalize()
void	get(com.sleepycat.je.DatabaseEntry key, com.sleepycat.je.DatabaseEntry data)
int	getBytesReceived() Get no.
int	getBytesWritten() Get no of bytes actually written into the Object stream so far
double	getCompressionRatio() getCompressionRatio return the ratio of compression for the IntOffsetArray's stored in this table: i.e.
int[]	getPosArray(int sik)
void	put(com.sleepycat.je.DatabaseEntry key, com.sleepycat.je.DatabaseEntry val)
void	put(int sik, IntOffsetArray fou)
void	remove(com.sleepycat.je.DatabaseEntry key)
void	remove(int sik)
void	setup(com.sleepycat.je.Environment env, java.lang.String fn, boolean write, LogStream l)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

environment

protected com.sleepycat.je.Environment environment

database

protected com.sleepycat.je.Database database

dbname

protected java.lang.String dbname

logf

protected LogStream logf

Constructor Detail

TPosTable

public TPosTable(com.sleepycat.je.Environment env,
         java.lang.String fn,
         boolean write)
          throws com.sleepycat.je.DatabaseNotFoundException

Throws:

com.sleepycat.je.DatabaseNotFoundException

Method Detail

put

public void put(int sik,
       IntOffsetArray fou)

remove

public void remove(int sik)

getPosArray

public int[] getPosArray(int sik)

getCompressionRatio

public double getCompressionRatio()

getCompressionRatio return the ratio of compression for the IntOffsetArray's stored in this table: i.e. bytesWritten/bytesReceived;

Returns:

the ratio of compression of the array stored or zero, if put() hasn't been called

getBytesReceived

public int getBytesReceived()

Get no. of bytes passed to objectToEntry() so far.

Returns:

an int value

getBytesWritten

public int getBytesWritten()

Get no of bytes actually written into the Object stream so far

Returns:

a int value

dump

public void dump()

setup

public void setup(com.sleepycat.je.Environment env,
         java.lang.String fn,
         boolean write,
         LogStream l)
           throws com.sleepycat.je.DatabaseNotFoundException

Throws:

com.sleepycat.je.DatabaseNotFoundException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

exists

public static boolean exists(com.sleepycat.je.Environment env,
             java.lang.String fn)

finalize

public void finalize()

Overrides:

finalize in class java.lang.Object

close

public void close()

put

public void put(com.sleepycat.je.DatabaseEntry key,
       com.sleepycat.je.DatabaseEntry val)

remove

public void remove(com.sleepycat.je.DatabaseEntry key)

get

public void get(com.sleepycat.je.DatabaseEntry key,
       com.sleepycat.je.DatabaseEntry data)