Uses of Class
ca.uqac.dim.turtledb.Relation

Packages that use Relation

Package	Description
ca.uqac.dim.turtledb

Uses of Relation in ca.uqac.dim.turtledb

Subclasses of Relation in ca.uqac.dim.turtledb

Modifier and Type	Class and Description
class	BinaryRelation A binary relation has exactly two operands.
class	Intersection
class	Join
class	NAryRelation An n-ary relation is an operator ☆ that accepts a variable number of operands n, with n ≥ 2, i.e.
class	Product
class	Projection
class	Renaming
class	Selection
class	Table A Table is a list of tuples.
class	UnaryRelation
class	Union Union of two relations.
class	VariableTable A VariableTable is a placeholder for an actual relation.

Fields in ca.uqac.dim.turtledb declared as Relation

Modifier and Type	Field and Description
protected Relation	BinaryRelation.m_left
protected Relation	QueryProcessor.m_query
protected Relation	UnaryRelation.m_relation
protected Relation	HttpCommunicator.HttpQueryProcessor.m_result
protected Relation	CentralizedCommunicator.CentralizedQueryProcessor.m_result
protected Relation	BinaryRelation.m_right

Fields in ca.uqac.dim.turtledb with type parameters of type Relation

Modifier and Type	Field and Description
protected java.util.List<Relation>	Engine.m_pendingQueries The list of query plans that await computation
protected java.util.List<Relation>	NAryRelation.m_relations The list of relations the operator acts on
protected java.util.List<Relation>	CentralizedCommunicator.m_results
protected java.util.Map<java.lang.String,Relation>	Engine.m_tables
protected java.util.Map<java.lang.String,Relation>	TableLinkVisitor.m_tables

Methods in ca.uqac.dim.turtledb that return Relation

Modifier and Type	Method and Description
Relation	BinaryRelation.getLeft()
Relation	HttpCommunicator.HttpQueryProcessor.getResult()
Relation	CentralizedCommunicator.CentralizedQueryProcessor.getResult()
abstract Relation	QueryProcessor.getResult()
Relation	BinaryRelation.getRight()
static Relation	XmlQueryParser.parse(org.w3c.dom.Document doc) Builds a query from a DOM document
protected static Relation	XmlQueryParser.parse(org.w3c.dom.Node e) Parse an operand.
static Relation	XmlQueryParser.parse(java.lang.String s) Builds a query from a string
protected static Relation	XmlQueryParser.parseIntersection(org.w3c.dom.Node e) Parse an intersection.
protected static Relation	XmlQueryParser.parseJoin(org.w3c.dom.Node e) Parse a join.
protected static Relation	XmlQueryParser.parseProduct(org.w3c.dom.Node e) Parse a Cartesian product.
protected static Relation	XmlQueryParser.parseProjection(org.w3c.dom.Node e) Parse a projection.
protected static Relation	XmlQueryParser.parseSelection(org.w3c.dom.Node e) Parse a selection.
protected static Relation	XmlQueryParser.parseUnion(org.w3c.dom.Node e) Parse a union.

Methods in ca.uqac.dim.turtledb that return types with arguments of type Relation

Modifier and Type	Method and Description
java.util.Set<Relation>	Engine.processPendingQueries() Process any pending queries

Methods in ca.uqac.dim.turtledb with parameters of type Relation

Modifier and Type	Method and Description
void	Join.addOperand(Relation r)
void	NAryRelation.addOperand(Relation r)
void	Engine.addQuery(Relation query) Add a query to process.
void	Table.copy(Relation r) Copies the contents of a relation into the current relation.
Table	Engine.evaluate(Relation query) Locally evaluates a query
QueryPlan	Engine.getQueryPlan(Relation query) Creates a query plan from a given query
QueryProcessor	HttpCommunicator.getQueryProcessor(Relation query)
QueryProcessor	CentralizedCommunicator.getQueryProcessor(Relation query)
abstract QueryProcessor	Communicator.getQueryProcessor(Relation query)
QueryProcessor	CentralizedCommunicator.getQueryProcessor(Relation query, java.lang.String site)
void	QueryPlan.put(java.lang.String key, Relation r)
void	Engine.putRelation(java.lang.String name, Relation r) Stores a new relation within the engine.
protected void	HttpCommunicator.sendQuery(java.lang.String site_name, Relation r)
void	BinaryRelation.setLeft(Relation r)
void	UnaryRelation.setRelation(Relation r)
void	BinaryRelation.setRight(Relation r)
static java.lang.String	GraphvizQueryFormatter.toGraphviz(Relation q) Serializes a relation as a DOM document.
static org.w3c.dom.Document	XmlQueryFormatter.toXmlDocument(Relation q) Serializes a relation as a DOM document.
static java.lang.String	XmlQueryFormatter.toXmlString(Relation q) Serializes a relation as a string containing an XML representation of the relation.

Method parameters in ca.uqac.dim.turtledb with type arguments of type Relation

Modifier and Type	Method and Description
void	Engine.addQuery(java.util.Collection<Relation> queries) Add a set of queries.
protected void	HttpCommunicator.sendQuery(java.lang.String site_name, java.util.Set<Relation> rels)

Constructors in ca.uqac.dim.turtledb with parameters of type Relation

Constructor and Description
Projection(Schema sch, Relation rel)
Renaming(Relation rel)
Selection(Condition c, Relation r)
Table(Relation r) Constructor by copy

Constructor parameters in ca.uqac.dim.turtledb with type arguments of type Relation

Constructor and Description
TableLinkVisitor(java.util.Map<java.lang.String,Relation> tables)