uk.ac.bbk.dcs.automed.wrappers
Class IQLTranslator

java.lang.Object
  uk.ac.bbk.dcs.automed.wrappers.IQLTranslator

Direct Known Subclasses:

IQL2XQuery

public abstract class IQLTranslator
extends java.lang.Object

Class Task Description

Author:

Lucas Zamboulis

Field Summary

java.lang.String	aggregateIQLFunction
boolean	aggregateQuery
boolean	collectionQuery
java.util.HashMap	compSubCompMap Contains mapping between the vars in a generator pattern and the vars in the head of a subcomp.
ASG	headPattern
protected java.util.logging.Logger	logger
java.util.HashMap	memberMap Contains subselect statements and the variables assigned to them.
IQLTranslator	parentTranslator
java.util.HashMap	varAsMap Contains mapping between variables and the AS SQL names of the constructs that the variables point to.
java.util.HashMap	varConsMap Contains mapping between variables and SQL constructs.

Constructor Summary

IQLTranslator()

Method Summary

java.util.HashMap	getAsMap()
java.util.HashMap	getCompSubCompMap()
ASG	getHeadPattern()
java.util.HashMap	getVarAsMap()
java.util.HashMap	getVarConsMap()
protected abstract void	initialise()
boolean	isAggregateQuery()
boolean	isCollectionQuery()
void	logMaps()
java.lang.String	translate(ASG g)
abstract java.lang.String	translate(Cell c)

Methods inherited from class java.lang.Object

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

Field Detail

headPattern

public ASG headPattern

aggregateQuery

public boolean aggregateQuery

aggregateIQLFunction

public java.lang.String aggregateIQLFunction

collectionQuery

public boolean collectionQuery

parentTranslator

public IQLTranslator parentTranslator

logger

protected java.util.logging.Logger logger

varConsMap

public java.util.HashMap varConsMap

Contains mapping between variables and SQL constructs.

varAsMap

public java.util.HashMap varAsMap

Contains mapping between variables and the AS SQL names of the constructs that the variables point to.

memberMap

public java.util.HashMap memberMap

Contains subselect statements and the variables assigned to them. This is only for translating the member IQL function.

compSubCompMap

public java.util.HashMap compSubCompMap

Contains mapping between the vars in a generator pattern and the vars in the head of a subcomp.

Constructor Detail

IQLTranslator

public IQLTranslator()

Method Detail

translate

public java.lang.String translate(ASG g)
                           throws QProcException

Throws:

QProcException

logMaps

public void logMaps()

translate

public abstract java.lang.String translate(Cell c)
                                    throws QProcException

Throws:

QProcException

initialise

protected abstract void initialise()

getHeadPattern

public final ASG getHeadPattern()

isAggregateQuery

public final boolean isAggregateQuery()

isCollectionQuery

public final boolean isCollectionQuery()

getVarConsMap

public final java.util.HashMap getVarConsMap()

getAsMap

public final java.util.HashMap getAsMap()

getCompSubCompMap

public final java.util.HashMap getCompSubCompMap()

getVarAsMap

public final java.util.HashMap getVarAsMap()