uk.ac.ic.doc.automed.qproc.opti
Class QueryOptimisationFactory

java.lang.Object
  uk.ac.ic.doc.automed.qproc.opti.QueryOptimisationFactory

public class QueryOptimisationFactory
extends java.lang.Object

QueryOptimisationFactory.java Responsible for loading and instantiating appropriate QueryOptimisationProvider classes.

Author:

Duc M Le dmle@doc.ic.ac.uk Created on 01 August 2006 Department of Computing, Imperial College

Constructor Summary

QueryOptimisationFactory()

Method Summary

static QueryOptimisationProvider

getProviderInstance(java.lang.String providerName) Returns a query optimisation provider associated with a given name.

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryOptimisationFactory

public QueryOptimisationFactory()

Method Detail

getProviderInstance

public static QueryOptimisationProvider getProviderInstance(java.lang.String providerName)
                                                     throws ProviderNotFoundException

Returns a query optimisation provider associated with a given name.

Parameters:

providerName - name of query optimisation provider

Returns:

a provider.

Throws:

NoSuchProviderException

ProviderNotFoundException