uk.ac.bbk.dcs.automed.qproc
Class OldQueryProcessor

java.lang.Object
  uk.ac.bbk.dcs.automed.qproc.OldQueryProcessor

Direct Known Subclasses:

GQP

public class OldQueryProcessor
extends java.lang.Object

The query processor class.

Author:

Lucas Zamboulis

Field Summary

protected QueryAnnotationProvider	_annProvider
protected QueryEvaluationProvider	_evalProvider
protected QueryOptimisationProvider	_optProvider
protected GAVQueryReformulationProvider	_refProvider
protected long	afterEv
protected long	afterLO
protected long	afterQAFP
protected long	afterQR
protected long	afterSubmit
protected long	afterTranslation
protected long	beforeTranslation
protected java.util.logging.Logger	logger
protected QueryProcessorConfiguration	qpc
protected Schema	src
protected TypeChecker	tc
protected Schema[]	tgts

Constructor Summary

OldQueryProcessor()
Constructs a QueryProcessor using QueryProcessorConfiguration.

OldQueryProcessor(QueryProcessorConfiguration qpc)
Constructs a QueryProcessor using the input configuration.

OldQueryProcessor(Schema sourceSchema, Schema[] targetSchemata)

OldQueryProcessor(Schema sourceSchema, Schema[] targetSchemata, QueryProcessorConfiguration qpc)
Constructs a QueryProcessor using the input configuration.

Method Summary

void	finalize()
protected void	loggingInit()
void	process(ASG g) Deprecated. use process(ASG, QueryProcessorConfiguration) instead
void	process(ASG g, QueryProcessorConfiguration qpc) Method that processes the input ASG.
java.lang.String	process(java.lang.String query, AutoMedWrapper aw, QueryProcessorConfiguration qpc)
void	showPerformance()
protected void	typeCheck(ASG g)

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

afterSubmit

protected long afterSubmit

afterQR

protected long afterQR

afterLO

protected long afterLO

afterQAFP

protected long afterQAFP

afterEv

protected long afterEv

beforeTranslation

protected long beforeTranslation

afterTranslation

protected long afterTranslation

_refProvider

protected GAVQueryReformulationProvider _refProvider

_optProvider

protected QueryOptimisationProvider _optProvider

_annProvider

protected QueryAnnotationProvider _annProvider

_evalProvider

protected QueryEvaluationProvider _evalProvider

tc

protected TypeChecker tc

src

protected Schema src

tgts

protected Schema[] tgts

qpc

protected QueryProcessorConfiguration qpc

Constructor Detail

OldQueryProcessor

public OldQueryProcessor()
                  throws QProcException

Constructs a QueryProcessor using QueryProcessorConfiguration.

Throws:

QProcException - if an error occurs during initialisation of the query processor

OldQueryProcessor

public OldQueryProcessor(QueryProcessorConfiguration qpc)
                  throws QProcException

Constructs a QueryProcessor using the input configuration.

Parameters:

qpc - the input configuration

Throws:

QProcException - if an error occurs during initialisation of the query processor

OldQueryProcessor

public OldQueryProcessor(Schema sourceSchema,
                         Schema[] targetSchemata)
                  throws QProcException

Parameters:

sourceSchema - the global schema

targetSchemata - the local schemata

Throws:

QProcException - if an error occurs during initialisation of the query processor

OldQueryProcessor

public OldQueryProcessor(Schema sourceSchema,
                         Schema[] targetSchemata,
                         QueryProcessorConfiguration qpc)
                  throws QProcException

Constructs a QueryProcessor using the input configuration.

Parameters:

sourceSchema - the global schema

targetSchemata - the local schemata

qpc - the input configuration

Throws:

QProcException - if an error occurs during initialisation of the query processor

Method Detail

process

public java.lang.String process(java.lang.String query,
                                AutoMedWrapper aw,
                                QueryProcessorConfiguration qpc)
                         throws QProcException

Throws:

QProcException

process

public void process(ASG g)
             throws QProcException

Deprecated. use process(ASG, QueryProcessorConfiguration) instead

Throws:

QProcException

process

public void process(ASG g,
                    QueryProcessorConfiguration qpc)
             throws QProcException

Method that processes the input ASG. This might mean logical/physical optimisations being performed according to what the user has specified; it might also mean using the query annotator or the fragment processor; it might also mean using the standard function table (default) or another function table as set by the user.

Parameters:

g - the input ASG

Throws:

QProcException - exception related to query processing

showPerformance

public void showPerformance()

loggingInit

protected void loggingInit()

typeCheck

protected void typeCheck(ASG g)
                  throws TypeException

Throws:

TypeException

finalize

public void finalize()

Overrides:

finalize in class java.lang.Object