TurtleDB
A mini distributed database system
ca.uqac.dim.turtledb.NAryRelation.NAryRelationStreamIterator Class Reference
Inheritance diagram for ca.uqac.dim.turtledb.NAryRelation.NAryRelationStreamIterator:
Collaboration diagram for ca.uqac.dim.turtledb.NAryRelation.NAryRelationStreamIterator:

List of all members.

Public Member Functions

 NAryRelationStreamIterator ()
void reset ()

Protected Member Functions

void initializeIteration ()
Tuple incrementSmallestTuple ()

Protected Attributes

boolean m_first
Vector< Tuplem_lastTuple
Vector< RelationIteratorm_iterators

Detailed Description

Definition at line 87 of file NAryRelation.java.


Constructor & Destructor Documentation


Member Function Documentation

Returns the smallest tuple in the vector of tuples, and increments the relation that produced it

Returns:
The smallest tuple

Definition at line 140 of file NAryRelation.java.

Resets the enumeration of tuples, i.e. starts back at the first tuple of the relation.

Reimplemented from ca.uqac.dim.turtledb.RelationStreamIterator.

Definition at line 172 of file NAryRelation.java.


Member Data Documentation

Determines if the tuple to output is the first one in the iteration

Definition at line 92 of file NAryRelation.java.

Iterators on each relation

Definition at line 102 of file NAryRelation.java.

Vector containing the last tuple taken from each table

Definition at line 97 of file NAryRelation.java.


The documentation for this class was generated from the following file: