de.unidu.is.pdatalog
Class EDBRelation

java.lang.Object
  de.unidu.is.pdatalog.Relation
      de.unidu.is.pdatalog.EDBRelation

public class EDBRelation

extends Relation

A class for pDatalog++ relation whose facts are stored in a database table (corresponding to an extensional predicate).

Since:

2003-10-07

Version:

$Revision: 1.6 $, $Date: 2005/03/14 17:33:13 $

Author:

Henrik Nottelmann

Field Summary

Fields inherited from class de.unidu.is.pdatalog.Relation

arity, base, name

Constructor Summary

EDBRelation(RelationBase base, java.lang.String name, int arity)
Constructs a new relation, and automatically adds it to the relation base.

EDBRelation(RelationBase base, java.lang.String name, int arity, boolean create)
Constructs a new relation, and automatically adds it to the relation base.

Method Summary

void	add(double prob, java.lang.String[] arguments) Adds the specified fact to the knowledge base.
void	add(double prob, StringExpression[] args) Adds the specified fact to the knowledge base.
void	add(Fact fact) Adds the specified fact to the knowledge base.
void	add(java.lang.String[] arguments) Adds the specified fact to the knowledge base.
void	add(StringExpression[] args) Adds the specified fact to the knowledge base.

Methods inherited from class de.unidu.is.pdatalog.Relation

getArity, getName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

EDBRelation

public EDBRelation(RelationBase base,
                   java.lang.String name,
                   int arity)

Constructs a new relation, and automatically adds it to the relation base.

Parameters:

base - corresponding relation base

name - relatio n name

arity - arity of the relation

EDBRelation

public EDBRelation(RelationBase base,
                   java.lang.String name,
                   int arity,
                   boolean create)

Constructs a new relation, and automatically adds it to the relation base.

Parameters:

base - corresponding relation base

name - relatio n name

arity - arity of the relation

create - if true, the relation is physically created

Method Detail

add

public void add(StringExpression[] args)

Adds the specified fact to the knowledge base.

Parameters:

args - arguments

add

public void add(double prob,
                StringExpression[] args)

Adds the specified fact to the knowledge base.

Parameters:

prob - probability of this fact

args - arguments

add

public void add(java.lang.String[] arguments)

Adds the specified fact to the knowledge base.

Parameters:

arguments - arguments

add

public void add(double prob,
                java.lang.String[] arguments)

Adds the specified fact to the knowledge base.

Parameters:

prob - probability of this fact

arguments - arguments

add

public void add(Fact fact)

Adds the specified fact to the knowledge base.

Parameters:

fact - fact to be added