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Class for reading and writing objects from a database. uses the names of the objects' methods to determine what should be written and read, e.g get** is written to the db, set** is read from the db

Author:

J.Monk

Constructor Summary

DBObjectManager()

Method Summary

int	fillObject(java.lang.Object obj, java.sql.ResultSet dbrs) Fills the object obj from the database resultset dbrs
DBConnectionManager	getDBConnection() Return the DBConnectionManager that is being used Shouldn't write itself to the DB unless there is a column called DBConnection, in which case it might try!
DBObjectManager	passDBConnection(DBConnectionManager theDataBase) Pass the DBConnectionManager to be used for accessing the database(s)
void	writeObject(java.lang.Object obj, java.lang.String tableName, java.lang.String dbName) writes an Object obj to the database with the given name
java.lang.Object	writeToDB(java.lang.String dbName) Writes this object to a table of the same name as the object in the specified database
java.lang.Object	writeToDB(java.lang.String tableName, java.lang.String dbName) Writes this object to the table with the given name in the database

Methods inherited from class java.lang.Object

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

Constructor Detail

DBObjectManager

public DBObjectManager()

Method Detail

passDBConnection

public DBObjectManager passDBConnection(DBConnectionManager theDataBase)

Pass the DBConnectionManager to be used for accessing the database(s)

Parameters:

DBConnectionManager - the connectionManager that contains the connection to the database we want

getDBConnection

public DBConnectionManager getDBConnection()

Return the DBConnectionManager that is being used Shouldn't write itself to the DB unless there is a column called DBConnection, in which case it might try!

fillObject

public int fillObject(java.lang.Object obj,
                      java.sql.ResultSet dbrs)
               throws java.sql.SQLException

Fills the object obj from the database resultset dbrs

Returns:

int the number of parameters filled

Throws:

java.sql.SQLException

writeObject

public void writeObject(java.lang.Object obj,
                        java.lang.String tableName,
                        java.lang.String dbName)
                 throws JetWebException

writes an Object obj to the database with the given name

Parameters:

obj - the object to be written

tableName - the name of the table in the database to write to

dbName - the name of the database to use, as managed by the DBConnectionManager

Throws:

JetWebException

writeToDB

public java.lang.Object writeToDB(java.lang.String tableName,
                                  java.lang.String dbName)
                           throws JetWebException

Writes this object to the table with the given name in the database

Parameters:

tableName - the name of the table to write this object to

dbName - the name (as managed by the DBConnectionManager) of the database to use

Throws:

JetWebException

writeToDB

public java.lang.Object writeToDB(java.lang.String dbName)
                           throws JetWebException

Writes this object to a table of the same name as the object in the specified database

Parameters:

dbName - the name (as managed by the DBConnectionManager) of the database to use

Throws:

JetWebException