it.unibz.inf.ontop.dbschema

Interface UniqueConstraint

All Superinterfaces:

FunctionalDependency

All Known Implementing Classes:

UniqueConstraintImpl

public interface UniqueConstraint
extends FunctionalDependency

Primary key or a unique constraint PRIMARY KEY (columnName (, columnName)*) UNIQUE (columnName (, columnName)*) (a form of equality-generating dependencies)

Author:

Roman Kontchakov

Nested Class Summary

Nested classes/interfaces inherited from interface it.unibz.inf.ontop.dbschema.FunctionalDependency

FunctionalDependency.Builder

Method Summary

Modifier and Type	Method and Description
static FunctionalDependency.Builder	builder(DatabaseRelationDefinition relation, String name) creates a UNIQUE constraint builder
com.google.common.collect.ImmutableList<Attribute>	getAttributes() return the list of attributes in the unique constraint
String	getName() return the name of the constraint
boolean	isPrimaryKey() return true if it is a primary key and false otherwise
static FunctionalDependency.Builder	primaryKeyBuilder(DatabaseRelationDefinition relation, String name) creates a PRIMARY KEY builder
static void	primaryKeyOf(Attribute attribute)
static void	primaryKeyOf(Attribute attribute1, Attribute attribute2)

Methods inherited from interface it.unibz.inf.ontop.dbschema.FunctionalDependency

defaultBuilder, getDependents, getDeterminants

Method Detail

getName

String getName()

return the name of the constraint

Returns:

name

isPrimaryKey

boolean isPrimaryKey()

return true if it is a primary key and false otherwise

Returns:

true if it is a primary key constraint (false otherwise)

getAttributes

com.google.common.collect.ImmutableList<Attribute> getAttributes()

return the list of attributes in the unique constraint

Returns:

list of attributes

builder

static FunctionalDependency.Builder builder(DatabaseRelationDefinition relation,
                                            String name)

creates a UNIQUE constraint builder

Parameters:

relation -

name -

Returns:

primaryKeyBuilder

static FunctionalDependency.Builder primaryKeyBuilder(DatabaseRelationDefinition relation,
                                                      String name)

creates a PRIMARY KEY builder

Parameters:

relation -

name -

Returns:

primaryKeyOf

static void primaryKeyOf(Attribute attribute)

primaryKeyOf

static void primaryKeyOf(Attribute attribute1,
                         Attribute attribute2)