Package software.amazon.smithy.rulesengine.language.syntax.expressions.functions

Class StringEquals

java.lang.Object

software.amazon.smithy.rulesengine.language.syntax.SyntaxElement

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

software.amazon.smithy.rulesengine.language.syntax.expressions.functions.LibraryFunction

software.amazon.smithy.rulesengine.language.syntax.expressions.functions.StringEquals

All Implemented Interfaces:

FromSourceLocation, ToNode, TypeCheck, ToCondition, ToExpression

public final class StringEquals
extends LibraryFunction

A rule-set function for comparing strings for equality.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	StringEquals.Definition	A FunctionDefinition for the StringEquals function.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ID

Fields inherited from class software.amazon.smithy.rulesengine.language.syntax.expressions.functions.LibraryFunction

definition, functionNode

Method Summary

Modifier and Type	Method	Description
<R> R	accept(ExpressionVisitor<R> visitor)	Invoke the ExpressionVisitor functions for this expression.
static StringEquals.Definition	getDefinition()	Gets the FunctionDefinition implementation.
static StringEquals	ofExpressions(ToExpression arg1, String arg2)	Creates a StringEquals function from the given expressions.
static StringEquals	ofExpressions(ToExpression arg1, ToExpression arg2)	Creates a StringEquals function from the given expressions.

Methods inherited from class software.amazon.smithy.rulesengine.language.syntax.expressions.functions.LibraryFunction

equals, expectOneArgument, getArguments, getName, getSourceLocation, hashCode, toNode, toString, typeCheckLocal

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

fromNode, getLiteral, getReference, of, of, of, parseShortform, toConditionBuilder, toExpression, type, typeCheck

Methods inherited from class software.amazon.smithy.rulesengine.language.syntax.SyntaxElement

booleanEqual, getAttr, getAttr, isSet, isValidHostLabel, not, parseUrl, stringEqual, substring, template

Methods inherited from class java.lang.Object

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

Methods inherited from interface software.amazon.smithy.rulesengine.language.syntax.ToCondition

toCondition, toCondition

Field Details

ID

public static final String ID

See Also:

• Constant Field Values

Method Details

getDefinition

public static StringEquals.Definition getDefinition()

Gets the FunctionDefinition implementation.

Returns:

the function definition.

ofExpressions

public static StringEquals ofExpressions(ToExpression arg1,
 ToExpression arg2)

Creates a StringEquals function from the given expressions.

Parameters:

arg1 - the first argument to compare.

arg2 - the second argument to compare.

Returns:

The resulting StringEquals function.

ofExpressions

public static StringEquals ofExpressions(ToExpression arg1,
 String arg2)

Creates a StringEquals function from the given expressions.

Parameters:

arg1 - the first argument to compare.

arg2 - the second argument to compare.

Returns:

The resulting StringEquals function.

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.