RawDataManager
Class WindsurfRawDataManagerMySQL

java.lang.Object
  RawDataManager.RawDataManager
      RawDataManager.RawDataManagerMySQL
          RawDataManager.WindsurfRawDataManagerMySQL

public class WindsurfRawDataManagerMySQL
extends RawDataManagerMySQL

Implementazione del Raw Data Manager che lavora su database MySql.

Field Summary

Fields inherited from class RawDataManager.RawDataManagerMySQL

conn, table

Constructor Summary

WindsurfRawDataManagerMySQL(java.lang.String usr, java.lang.String pwd, java.lang.String db, java.lang.String tab)
Basic constructor for a local database.

WindsurfRawDataManagerMySQL(java.lang.String host, java.lang.String port, java.lang.String usr, java.lang.String pwd, java.lang.String db, java.lang.String tab)
Basic constructor for a remote database.

Method Summary

boolean	contains(java.lang.String url) Checks whether an image with a given URL exists in the DB.
Document.ImageID	findID(java.lang.String url) Retrieves the image ID given the image URL; if such image does not exists, inserts it in the DB and returns the ID of the new image.

Methods inherited from class RawDataManager.RawDataManagerMySQL

closeConnection, createConnection, findURL

Methods inherited from class java.lang.Object

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

Constructor Detail

WindsurfRawDataManagerMySQL

public WindsurfRawDataManagerMySQL(java.lang.String usr,
                                   java.lang.String pwd,
                                   java.lang.String db,
                                   java.lang.String tab)

Basic constructor for a local database.

Parameters:

usr - Username for the DB connection.

pwd - Password for the DB connection.

db - Name of the image database.

tab - Name of the features table.

WindsurfRawDataManagerMySQL

public WindsurfRawDataManagerMySQL(java.lang.String host,
                                   java.lang.String port,
                                   java.lang.String usr,
                                   java.lang.String pwd,
                                   java.lang.String db,
                                   java.lang.String tab)

Basic constructor for a remote database.

Parameters:

host - Host name for the DB connection.

port - Port name for the DB connection.

usr - Username for the DB connection.

pwd - Password for the DB connection.

db - Name of the features database.

tab - Name of the features table.

Method Detail

contains

public boolean contains(java.lang.String url)

Checks whether an image with a given URL exists in the DB.

Specified by:

contains in class RawDataManager

Parameters:

url - URL of the image to be searched.

Returns:

true if the image is contained in the DB, false otherwise.

findID

public Document.ImageID findID(java.lang.String url)

Retrieves the image ID given the image URL; if such image does not exists, inserts it in the DB and returns the ID of the new image.

Specified by:

findID in class RawDataManager

Parameters:

url - Image URL.

Returns:

The ID of the given image if the image is contained in the DB, the newly assigned ID, otherwise.