Package software.amazon.smithy.rulesengine.language.visit

Class DefaultVisitor<R>

java.lang.Object

software.amazon.smithy.rulesengine.language.visit.DefaultVisitor<R>

Type Parameters:

R - the return value type.

All Implemented Interfaces:

ExpressionVisitor<R>, RuleValueVisitor<R>

Direct Known Subclasses:

TraversingVisitor

public abstract class DefaultVisitor<R>
extends java.lang.Object
implements RuleValueVisitor<R>, ExpressionVisitor<R>

An abstract visitor implementation for a RuleValueVisitor, and ExpressionVisitor.

Nested Class Summary

Nested classes/interfaces inherited from interface software.amazon.smithy.rulesengine.language.visit.ExpressionVisitor

ExpressionVisitor.Default<R>

Constructor Summary

Constructors

Constructor	Description
DefaultVisitor()

Method Summary

Modifier and Type	Method	Description
abstract R	getDefault()
R	visitBoolEquals(Expression left, Expression right)
R	visitEndpointRule(Endpoint endpoint)	Invoked when reaching an endpoint rule.
R	visitErrorRule(Expression error)	Invoked when reaching an error rule.
R	visitGetAttr(GetAttr getAttr)
R	visitIsSet(Expression fn)
R	visitLibraryFunction(FunctionDefinition fn, java.util.List<Expression> args)
R	visitLiteral(Literal literal)
R	visitNot(Expression not)
R	visitRef(Reference reference)
R	visitStringEquals(Expression left, Expression right)
R	visitTreeRule(java.util.List<Rule> rules)	Invoked when reaching a tree rule.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultVisitor

public DefaultVisitor()

Method Detail

getDefault

public abstract R getDefault()

visitLiteral

public R visitLiteral(Literal literal)

Specified by:

visitLiteral in interface ExpressionVisitor<R>

visitRef

public R visitRef(Reference reference)

Specified by:

visitRef in interface ExpressionVisitor<R>

visitIsSet

public R visitIsSet(Expression fn)

Specified by:

visitIsSet in interface ExpressionVisitor<R>

visitNot

public R visitNot(Expression not)

Specified by:

visitNot in interface ExpressionVisitor<R>

visitBoolEquals

public R visitBoolEquals(Expression left,
                         Expression right)

Specified by:

visitBoolEquals in interface ExpressionVisitor<R>

visitStringEquals

public R visitStringEquals(Expression left,
                           Expression right)

Specified by:

visitStringEquals in interface ExpressionVisitor<R>

visitGetAttr

public R visitGetAttr(GetAttr getAttr)

Specified by:

visitGetAttr in interface ExpressionVisitor<R>

visitLibraryFunction

public R visitLibraryFunction(FunctionDefinition fn,
                              java.util.List<Expression> args)

Specified by:

visitLibraryFunction in interface ExpressionVisitor<R>

visitTreeRule

public R visitTreeRule(java.util.List<Rule> rules)

Description copied from interface: RuleValueVisitor

Invoked when reaching a tree rule.

Specified by:

visitTreeRule in interface RuleValueVisitor<R>

Parameters:

rules - the sub-rules within a tree rule.

Returns:

the visitor return type.

visitErrorRule

public R visitErrorRule(Expression error)

Description copied from interface: RuleValueVisitor

Invoked when reaching an error rule.

Specified by:

visitErrorRule in interface RuleValueVisitor<R>

Parameters:

error - the error expression for the rule.

Returns:

the visitor return type.

visitEndpointRule

public R visitEndpointRule(Endpoint endpoint)

Description copied from interface: RuleValueVisitor

Invoked when reaching an endpoint rule.

Specified by:

visitEndpointRule in interface RuleValueVisitor<R>

Parameters:

endpoint - the endpoint of the rule.

Returns:

the visitor return type.