pserver.pservlets

Class Communities

java.lang.Object

pserver.pservlets.Communities

All Implemented Interfaces:

pserver.pservlets.PService

public class Communities
extends java.lang.Object
implements pserver.pservlets.PService

Contains all necessary methods for the management of Communities mode of PServer.

Field Summary

Fields inherited from interface pserver.pservlets.PService

au, avi, bin, doc, dvi, eps, gif, gtar, gz, htm, html, jar, jpe, jpeg, jpg, js, latex, ltx, m3u, mid, mov, mp3, mpe, mpeg, mpg, pdf, ps, qt, rtf, snd, tar, tex, tgz, tr, txt, wav, xml, zip

Constructor Summary

Constructors

Constructor and Description
Communities()

Method Summary

Methods

Modifier and Type	Method and Description
void	generateDistances(pserver.data.DBAccess dbAccess, java.lang.String clientName, pserver.algorithms.metrics.VectorMetric metric, java.lang.String features) Deletes user associations from database and then generates the user distances.
void	generateFtrDistances(pserver.data.DBAccess dbAccess, java.lang.String clientName, pserver.algorithms.metrics.VectorMetric metric) Method referring to command part of process.
java.lang.String	getMimeType() Returns the mime type.
void	init(java.lang.String[] params) Overridden method of init from PService Does nothing here.
int	service(pserver.data.VectorMap parameters, java.lang.StringBuffer response, pserver.data.DBAccess dbAccess) Creates a service for Communities' mode when a command is sent to PServer.

Methods inherited from class java.lang.Object

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

Constructor Detail

Communities

public Communities()

Method Detail

init

public void init(java.lang.String[] params)
          throws java.lang.Exception

Overridden method of init from PService Does nothing here.

Specified by:

init in interface pserver.pservlets.PService

Parameters:

params - An array of strings containing the parameters

Throws:

java.lang.Exception - Default Exception is thrown.

getMimeType

public java.lang.String getMimeType()

Returns the mime type.

Specified by:

getMimeType in interface pserver.pservlets.PService

Returns:

Returns the XML mime type from Interface PService.

service

public int service(pserver.data.VectorMap parameters,
          java.lang.StringBuffer response,
          pserver.data.DBAccess dbAccess)

Creates a service for Communities' mode when a command is sent to PServer. The command is identified from its name and proper methods for the management of this command are called. A response code is produced depending on results.

Specified by:

service in interface pserver.pservlets.PService

Parameters:

parameters - The parameters needed for this service.

response - The response string that is created.

dbAccess - The database manager.

Returns:

The value of response code.

generateDistances

public void generateDistances(pserver.data.DBAccess dbAccess,
                     java.lang.String clientName,
                     pserver.algorithms.metrics.VectorMetric metric,
                     java.lang.String features)
                       throws java.sql.SQLException

Deletes user associations from database and then generates the user distances.

Parameters:

dbAccess - The database manager.

clientName - The name of the client.

metric - The metric that will be used to generate user distances.

features - The features in which the user distances generation will be applied.

Throws:

java.sql.SQLException - SQLException is throw on a database management error.

generateFtrDistances

public void generateFtrDistances(pserver.data.DBAccess dbAccess,
                        java.lang.String clientName,
                        pserver.algorithms.metrics.VectorMetric metric)
                          throws java.sql.SQLException

Method referring to command part of process. Connects to database, creates feature groups with the parameters specified and returns the response code.

Parameters:

queryParam - The parameters of the query.

respBody - The response message that is produced.

dbAccess - The database manager.

Throws:

java.sql.SQLException