Package ca.uqac.dim.turtledb

Interface Summary

Interface	Description
RelationIterator

Class Summary

Class	Description
Attribute
BinaryRelation	A binary relation has exactly two operands.
CentralizedCommunicator
Communicator
Condition
ConditionVisitor
EmptyQueryVisitor
Engine	An engine does two things: It locally hosts relations (or fragments thereof) It receives relational query trees and evaluates them against the locally-hosted relations, then outputs the resulting relation
Equality
GraphvizConditionVisitor
GraphvizQueryFormatter
HttpCommunicator
Intersection
Join
Literal
LogicalAnd
LogicalNot
LogicalOr
NAryCondition
NAryRelation	An n-ary relation is an operator ☆ that accepts a variable number of operands n, with n ≥ 2, i.e.
Product
Projection
QueryPlan	A query plan is a set of query fragments associated to various sites.
QueryProcessor
QueryVisitor
ReadyToProcessVisitor	Visitor that checks if a query is ready to be processed.
Relation	A relation is implemented as a map from a set of tuples (the relation's key) to a set of tuples
RelationCacheIterator
RelationStreamIterator
Renaming
Schema	A schema is an ordered list of attributes.
Selection
Table	A Table is a list of tuples.
TableLinkVisitor
TableParser	Parses a table from a character string.
Tuple	A tuple is an ordered collection of attribute-value pairs.
UnaryRelation
Union	Union of two relations.
Value
VariableTable	A VariableTable is a placeholder for an actual relation.
XmlConditionVisitor
XmlQueryFormatter	Facilities to convert relations into equivalent XML representations.
XmlQueryParser	Facilities to build relational queries from an XML representation.

Exception Summary

Exception	Description
XmlQueryParser.ParseException	Exception raised when the parser wants to signal an error.