ua.gradsoft.termware
Class NullFacts

java.lang.Object
  ua.gradsoft.termware.NullFacts

All Implemented Interfaces:

IFacts

public class NullFacts
extends Object
implements IFacts

NullFacts - dummy facts.

Constructor Summary

NullFacts()
Creates a new instance of NullFacts

Method Summary

boolean	check(Term t, TransformationContext ctx) check fact (called from conditions in left part of rules)
void	clearLoggedEntities() do nothing.
boolean	isLoggingMode() get logging mode
void	set(Term t, TransformationContext ctx) do nothing.
void	setLoggedEntities(Collection<String> s) do nothing.
void	setLoggedEntity(String s) do nothing.
void	setLoggingMode(boolean mode) do nothing.
void	unsetLoggedEntity(String s) do nothing.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullFacts

public NullFacts()

Creates a new instance of NullFacts

Method Detail

check

public boolean check(Term t,
                     TransformationContext ctx)
              throws TermWareException

Description copied from interface: IFacts

check fact (called from conditions in left part of rules)

Specified by:

check in interface IFacts

Returns:

false

Throws:

TermWareException

isLoggingMode

public boolean isLoggingMode()

Description copied from interface: IFacts

get logging mode

Specified by:

isLoggingMode in interface IFacts

Returns:

false

set

public void set(Term t,
                TransformationContext ctx)
         throws TermWareException

do nothing.

Specified by:

set in interface IFacts

Throws:

TermWareException

setLoggedEntity

public void setLoggedEntity(String s)

do nothing.

Specified by:

setLoggedEntity in interface IFacts

setLoggingMode

public void setLoggingMode(boolean mode)

do nothing.

Specified by:

setLoggingMode in interface IFacts

unsetLoggedEntity

public void unsetLoggedEntity(String s)

do nothing.

Specified by:

unsetLoggedEntity in interface IFacts

setLoggedEntities

public void setLoggedEntities(Collection<String> s)

do nothing.

Specified by:

setLoggedEntities in interface IFacts

clearLoggedEntities

public void clearLoggedEntities()

do nothing.

Specified by:

clearLoggedEntities in interface IFacts