tom.library.sl
Class Identity

java.lang.Object
  tom.library.sl.AbstractStrategy
      tom.library.sl.AbstractStrategyCombinator
          tom.library.sl.Identity

All Implemented Interfaces:

Strategy, Visitable

public class Identity
extends AbstractStrategyCombinator

x.accept(Identity) = x

Strategy combinator without arguments that does nothing.

See also IdentityTest.

Field Summary

Fields inherited from class tom.library.sl.AbstractStrategyCombinator

arguments

Fields inherited from class tom.library.sl.AbstractStrategy

environment

Constructor Summary

Identity()

Method Summary

int	visit(Introspector introspector) Visit the current subject (found in the environment) and place its result in the environment.
<T> T	visitLight(T any, Introspector introspector) Visit the subject any in a light way (without environment)

Methods inherited from class tom.library.sl.AbstractStrategyCombinator

getChildAt, getChildCount, getChildren, getVisitor, getVisitors, initSubterm, initSubterm, initSubterm, initSubterm, initSubterm, setChildAt, setChildren

Methods inherited from class tom.library.sl.AbstractStrategy

getAncestor, getEnvironment, getPosition, getRoot, getSubject, init, init, setEnvironment, setRoot, setSubject, visit, visit, visit, visit, visitLight

Methods inherited from class java.lang.Object

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

Constructor Detail

Identity

public Identity()

Method Detail

visitLight

public <T> T visitLight(T any,
                        Introspector introspector)

Description copied from interface: Strategy

Visit the subject any in a light way (without environment)

Parameters:

any - the subject to visit.

visit

public int visit(Introspector introspector)

Description copied from interface: Strategy

Visit the current subject (found in the environment) and place its result in the environment. Sets the environment flag to Environment.FAILURE in case of failure

Parameters:

introspector - the introspector