it.unibz.inf.ontop.spec.mapping.sqlparser

Class FromItemParser<T>

java.lang.Object

it.unibz.inf.ontop.spec.mapping.sqlparser.FromItemParser<T>

Direct Known Subclasses:

DefaultSelectQueryAttributeExtractor, SelectQueryParser

public abstract class FromItemParser<T>
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected ExpressionParser	expressionParser
protected QuotedIDFactory	idfac
protected RAOperations<T>	operations
protected it.unibz.inf.ontop.model.term.TermFactory	termFactory

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	FromItemParser(ExpressionParser expressionParser, QuotedIDFactory idfac, MetadataLookup metadata, it.unibz.inf.ontop.model.term.TermFactory termFactory, RAOperations<T> operations)

Method Summary

Modifier and Type	Method and Description
protected abstract T	create(DatabaseRelationDefinition relation)
com.google.common.collect.ImmutableList<it.unibz.inf.ontop.model.term.Variable>	createAttributeVariables(RelationDefinition relation)
protected T	join(T left, net.sf.jsqlparser.statement.select.Join join) can be overridden to add additional checks
protected T	translateJoins(net.sf.jsqlparser.statement.select.FromItem left, List<net.sf.jsqlparser.statement.select.Join> joins) main method for analysing FROM clauses
protected abstract T	translateSelectBody(net.sf.jsqlparser.statement.select.SelectBody selectBody)
protected void	validateFromItem(net.sf.jsqlparser.schema.Table table)

Methods inherited from class java.lang.Object

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

Field Detail

expressionParser

protected final ExpressionParser expressionParser

idfac

protected final QuotedIDFactory idfac

termFactory

protected final it.unibz.inf.ontop.model.term.TermFactory termFactory

operations

protected final RAOperations<T> operations

Constructor Detail

FromItemParser

protected FromItemParser(ExpressionParser expressionParser,
                         QuotedIDFactory idfac,
                         MetadataLookup metadata,
                         it.unibz.inf.ontop.model.term.TermFactory termFactory,
                         RAOperations<T> operations)

Method Detail

create

protected abstract T create(DatabaseRelationDefinition relation)

translateSelectBody

protected abstract T translateSelectBody(net.sf.jsqlparser.statement.select.SelectBody selectBody)

translateJoins

protected T translateJoins(net.sf.jsqlparser.statement.select.FromItem left,
                           List<net.sf.jsqlparser.statement.select.Join> joins)
                    throws IllegalJoinException

main method for analysing FROM clauses

Parameters:

left -

joins -

Returns:

Throws:

IllegalJoinException

join

protected T join(T left,
                 net.sf.jsqlparser.statement.select.Join join)
          throws IllegalJoinException

can be overridden to add additional checks

Parameters:

left -

join -

Returns:

Throws:

IllegalJoinException

createAttributeVariables

public com.google.common.collect.ImmutableList<it.unibz.inf.ontop.model.term.Variable> createAttributeVariables(RelationDefinition relation)

validateFromItem

protected void validateFromItem(net.sf.jsqlparser.schema.Table table)