uk.ac.bbk.dcs.automed.qproc.optimise
Class StandardOptimisationProvider

java.lang.Object
  uk.ac.bbk.dcs.automed.qproc.optimise.StandardOptimisationProvider

All Implemented Interfaces:

QueryOptimisationProvider

public class StandardOptimisationProvider
extends java.lang.Object
implements QueryOptimisationProvider

This class coordinates the application of the logical optimisations.

Author:

Lucas Zamboulis

Field Summary

protected java.util.logging.Logger

logger

Constructor Summary

StandardOptimisationProvider()

StandardOptimisationProvider(Schema source, Schema[] tgts)

Method Summary

void	finalize()
java.lang.String	getName() Return a unique name of a provider.
void	optimise(ASG query, QueryProcessorConfiguration qpc) Optimise an IQL query based on a given configuration

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected java.util.logging.Logger logger

Constructor Detail

StandardOptimisationProvider

public StandardOptimisationProvider()

StandardOptimisationProvider

public StandardOptimisationProvider(Schema source,
                                    Schema[] tgts)

Method Detail

optimise

public void optimise(ASG query,
                     QueryProcessorConfiguration qpc)

Description copied from interface: QueryOptimisationProvider

Optimise an IQL query based on a given configuration

Specified by:

optimise in interface QueryOptimisationProvider

Parameters:

query - an ASG object of an IQL query

finalize

public void finalize()

Overrides:

finalize in class java.lang.Object

getName

public java.lang.String getName()

Description copied from interface: QueryOptimisationProvider

Return a unique name of a provider. This name is used as a key in a Map of provider objects

Specified by:

getName in interface QueryOptimisationProvider