prolog.demonstration
Class DemoConstraintStatement

java.lang.Object
  |
  +--prolog.implementation.Fact
        |
        +--prolog.implementation.AbstractStatement
              |
              +--prolog.implementation.ConstraintStatement
                    |
                    +--prolog.demonstration.DemoConstraintStatement

All Implemented Interfaces:

IDemoStatement, IFact, IStatement

public class DemoConstraintStatement

extends ConstraintStatement

implements IDemoStatement

Field Summary

protected Node	thisNode the parent of this node in animation tree
protected Tree	tree the animation tree

Fields inherited from class prolog.implementation.ConstraintStatement

expression

Fields inherited from class prolog.implementation.Fact

name, relation

Constructor Summary

DemoConstraintStatement(Tree tree, int name)
constructor

DemoConstraintStatement(Tree tree, int name, IRelation r)
constructor 2

Method Summary

Node	getNode()
IFactList	query(IFact f, IFactDb l, IStatementMap constraints) querries the most top expression statement
void	resetNode() clears the cached node
java.lang.String	toString()

Methods inherited from class prolog.implementation.ConstraintStatement

genXml, setExpression, toString

Methods inherited from class prolog.implementation.AbstractStatement

generateFact, generateRelation

Methods inherited from class prolog.implementation.Fact

addAttribute, getName, getRelation

Methods inherited from class java.lang.Object

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

Methods inherited from interface prolog.model.IFact

getName, getRelation

Field Detail

tree

protected Tree tree

the animation tree

thisNode

protected Node thisNode

the parent of this node in animation tree

Constructor Detail

DemoConstraintStatement

public DemoConstraintStatement(Tree tree,
                               int name)

constructor

DemoConstraintStatement

public DemoConstraintStatement(Tree tree,
                               int name,
                               IRelation r)

constructor 2

Method Detail

query

public IFactList query(IFact f,
                       IFactDb l,
                       IStatementMap constraints)
                throws ParameterMatchingError

querries the most top expression statement

Overrides:

query in class ConstraintStatement

Parameters:

f - - the fact to search for

l - - the fact database

constraints - - the statements to resolve unfound facts

Returns:

all relations matching the given fact

Throws:

ParameterMatchingError -

getNode

public Node getNode()

Specified by:

getNode in interface IDemoStatement

Returns:

the node in the demo tree

resetNode

public void resetNode()

clears the cached node

Specified by:

resetNode in interface IDemoStatement

toString

public java.lang.String toString()

Overrides:

toString in class ConstraintStatement

Following copied from class: prolog.implementation.ConstraintStatement

Returns:

a string representation of this class