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

Class RAExpressionOperations

java.lang.Object

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

All Implemented Interfaces:

RAOperations<RAExpression>

public class RAExpressionOperations
extends Object
implements RAOperations<RAExpression>

Constructor Summary

Constructors

Constructor and Description
RAExpressionOperations(it.unibz.inf.ontop.model.term.TermFactory termFactory, IntermediateQueryFactory iqFactory)

Method Summary

Modifier and Type	Method and Description
RAExpression	create()
RAExpression	create(DatabaseRelationDefinition relation, com.google.common.collect.ImmutableList<it.unibz.inf.ontop.model.term.Variable> variables)
RAExpression	createWithoutName(RelationDefinition relation, com.google.common.collect.ImmutableList<it.unibz.inf.ontop.model.term.Variable> variables)
RAExpression	crossJoin(RAExpression left, RAExpression right) CROSS JOIN (also denoted by , in SQL)
RAExpression	filter(RAExpression rae, com.google.common.collect.ImmutableList<it.unibz.inf.ontop.model.term.ImmutableExpression> filter)
com.google.common.collect.ImmutableSet<QuotedID>	getSharedAttributeNames(RAExpression left, RAExpression right)
RAExpression	joinOn(RAExpression left, RAExpression right, Function<RAExpressionAttributes,com.google.common.collect.ImmutableList<it.unibz.inf.ontop.model.term.ImmutableExpression>> getAtomOnExpression) JOIN ON
RAExpression	joinUsing(RAExpression left, RAExpression right, com.google.common.collect.ImmutableSet<QuotedID> using) JOIN USING
RAExpression	withAlias(RAExpression rae, RelationID aliasId) (relational expression) AS A

Methods inherited from class java.lang.Object

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

Methods inherited from interface it.unibz.inf.ontop.spec.mapping.sqlparser.RAOperations

naturalJoin

Constructor Detail

RAExpressionOperations

public RAExpressionOperations(it.unibz.inf.ontop.model.term.TermFactory termFactory,
                              IntermediateQueryFactory iqFactory)

Method Detail

create

public RAExpression create()

Specified by:

create in interface RAOperations<RAExpression>

create

public RAExpression create(DatabaseRelationDefinition relation,
                           com.google.common.collect.ImmutableList<it.unibz.inf.ontop.model.term.Variable> variables)

Specified by:

create in interface RAOperations<RAExpression>

withAlias

public RAExpression withAlias(RAExpression rae,
                              RelationID aliasId)

(relational expression) AS A

Specified by:

withAlias in interface RAOperations<RAExpression>

Parameters:

aliasId - a RelationID

Returns:

a RAExpression

crossJoin

public RAExpression crossJoin(RAExpression left,
                              RAExpression right)
                       throws IllegalJoinException

CROSS JOIN (also denoted by , in SQL)

Specified by:

crossJoin in interface RAOperations<RAExpression>

Parameters:

left - a RAExpression

right - a RAExpression

Returns:

a RAExpression

Throws:

IllegalJoinException - if the same alias occurs in both arguments

joinUsing

public RAExpression joinUsing(RAExpression left,
                              RAExpression right,
                              com.google.common.collect.ImmutableSet<QuotedID> using)
                       throws IllegalJoinException

JOIN USING

Specified by:

joinUsing in interface RAOperations<RAExpression>

Parameters:

left - a RAExpression

right - a RAExpression

using - a ImmutableSet<QuotedID>

Returns:

a RAExpression

Throws:

IllegalJoinException - if the same alias occurs in both arguments or one of the `using' attributes is ambiguous or absent

joinOn

public RAExpression joinOn(RAExpression left,
                           RAExpression right,
                           Function<RAExpressionAttributes,com.google.common.collect.ImmutableList<it.unibz.inf.ontop.model.term.ImmutableExpression>> getAtomOnExpression)
                    throws IllegalJoinException

JOIN ON

Specified by:

joinOn in interface RAOperations<RAExpression>

Parameters:

left - a RAExpression

right - a RAExpression

getAtomOnExpression -

Returns:

a RAExpression

Throws:

IllegalJoinException - if the same alias occurs in both arguments

getSharedAttributeNames

public com.google.common.collect.ImmutableSet<QuotedID> getSharedAttributeNames(RAExpression left,
                                                                                RAExpression right)

Specified by:

getSharedAttributeNames in interface RAOperations<RAExpression>

filter

public RAExpression filter(RAExpression rae,
                           com.google.common.collect.ImmutableList<it.unibz.inf.ontop.model.term.ImmutableExpression> filter)

Specified by:

filter in interface RAOperations<RAExpression>

createWithoutName

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