gr.uoa.di.madgik.searchlibrary.operatorlibrary.extjdbc

Class QueryBridge

java.lang.Object

gr.uoa.di.madgik.searchlibrary.operatorlibrary.extjdbc.QueryBridge

public class QueryBridge
extends Object

Class used to perform queries on the sql driver

Author:

UoA

Constructor Summary

Constructors

Constructor and Description
QueryBridge(String driverName, String connectionString, int recordsPerPart) Creates a new QueryBridge

Method Summary

Methods

Modifier and Type	Method and Description
ResultSet	executeQuery(String query) Exevutes the provided query
String[]	getColumnNames() Retriueves the names of the available collumns
void	printResults() Prints the results in System.err

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryBridge

public QueryBridge(String driverName,
           String connectionString,
           int recordsPerPart)
            throws Exception

Creates a new QueryBridge

Parameters:

driverName - The name of the driver

connectionString - The connection string

recordsPerPart - The number of records to put in each part

Throws:

Exception - An unrecoverable for the operation error occured

Method Detail

executeQuery

public ResultSet executeQuery(String query)
                       throws Exception

Exevutes the provided query

Parameters:

query - The query to execute

Returns:

The produced result set

Throws:

Exception - An unrecoverable for the operation error occured

getColumnNames

public String[] getColumnNames()
                        throws Exception

Retriueves the names of the available collumns

Returns:

The column names

Throws:

Exception - An unrecoverable for the operation error occured

printResults

public void printResults()

Prints the results in System.err