Package software.amazon.smithy.rulesengine.language.syntax.fn

Class GetAttr

java.lang.Object

software.amazon.smithy.rulesengine.language.util.MandatorySourceLocation

software.amazon.smithy.rulesengine.language.syntax.expr.Expression

software.amazon.smithy.rulesengine.language.syntax.fn.GetAttr

All Implemented Interfaces:

FromSourceLocation, ToNode, TypeCheck

public final class GetAttr
extends Expression

A rule-set expression for indexing a record/object or array.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	GetAttr.Builder
static interface	GetAttr.Part

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ID

Method Summary

Modifier and Type	Method	Description
<R> R	accept(ExpressionVisitor<R> visitor)	Invoke the ExpressionVisitor functions for this expression.
static GetAttr.Builder	builder()
Condition	condition()	Convert this function into a condition.
Condition	condition(String result)	Converts this function into a condition which stores the output in the named result.
boolean	equals(Object o)
Value	evaluate(Value target)
List<GetAttr.Part>	getPath()
Expression	getTarget()
int	hashCode()
String	template()	Converts this expression to a string template.
Node	toNode()	Converts a value to a Node.
String	toString()
Type	typeCheckLocal(Scope<Type> scope)

Methods inherited from class software.amazon.smithy.rulesengine.language.syntax.expr.Expression

equal, equal, fromNode, getAttr, getAttr, isSet, isValidHostLabel, isVirtualHostableS3Bucket, literal, not, of, of, of, parseArn, parseShortform, parseUrl, reference, substring, type, typeCheck

Methods inherited from class software.amazon.smithy.rulesengine.language.util.MandatorySourceLocation

getSourceLocation

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

ID

public static final String ID

See Also:

• Constant Field Values

Method Details

builder

public static GetAttr.Builder builder()

evaluate

public Value evaluate(Value target)

getTarget

public Expression getTarget()

getPath

public List<GetAttr.Part> getPath()

toString

public String toString()

Overrides:

toString in class Object

accept

public <R> R accept(ExpressionVisitor<R> visitor)

Description copied from class: Expression

Invoke the ExpressionVisitor functions for this expression.

Specified by:

accept in class Expression

Type Parameters:

R - the visitor return type.

Parameters:

visitor - the visitor to be invoked.

Returns:

the return value of the visitor.

typeCheckLocal

public Type typeCheckLocal(Scope<Type> scope)

Specified by:

typeCheckLocal in class Expression

template

public String template()

Description copied from class: Expression

Converts this expression to a string template. By default this implementation returns a RuntimeException.

Overrides:

template in class Expression

Returns:

the string template.

toNode

public Node toNode()

Description copied from interface: ToNode

Converts a value to a Node.

Returns:

Returns the creates Node.

condition

public Condition condition()

Convert this function into a condition.

Returns:

the function as a condition.

condition

public Condition condition(String result)

Converts this function into a condition which stores the output in the named result.

Parameters:

result - the name of the result parameter.

Returns:

the function as a condition.

equals

public boolean equals(Object o)

Specified by:

equals in class Expression

hashCode

public int hashCode()

Specified by:

hashCode in class Expression