TimeTransformEvaluator class

Evaluator that transforms a datetime to another datetime.

Extends

Constructors

TimeTransformEvaluator(string, (timestamp: Date, numOfTransformation: number) => Date)

Initializes a new instance of the TimeTransformEvaluator class.

Properties

negation

Gets the evaluator that is a negation of this one. Sets the evaluator that is a negation of this one.

Inherited Properties

returnType

Type expected by evaluating the expression.

type

Gets the expression type for evaluator.

Inherited Methods

tryEvaluate(Expression, MemoryInterface, Options)

Evaluate an expression.

validateExpression(Expression)

Validate an expression.

Constructor Details

TimeTransformEvaluator(string, (timestamp: Date, numOfTransformation: number) => Date)

Initializes a new instance of the TimeTransformEvaluator class.

new TimeTransformEvaluator(type: string, func: (timestamp: Date, numOfTransformation: number) => Date)

Parameters

type

string

Name of the built-in function.

func

(timestamp: Date, numOfTransformation: number) => Date

The evaluation function, it takes a timestamp and the number of transformation, and returns a Date.

Property Details

negation

Gets the evaluator that is a negation of this one. Sets the evaluator that is a negation of this one.

ExpressionEvaluator negation

Property Value

The evaluator that is a negation of this one.

Inherited Property Details

returnType

Type expected by evaluating the expression.

returnType: ReturnType

Property Value

Inherited From ExpressionEvaluator.returnType

type

Gets the expression type for evaluator.

type: string

Property Value

string

Inherited From ExpressionEvaluator.type

Inherited Method Details

tryEvaluate(Expression, MemoryInterface, Options)

Evaluate an expression.

function tryEvaluate(expression: Expression, state: MemoryInterface, options: Options): ValueWithError

Parameters

expression
Expression

Expression to evaluate.

state
MemoryInterface

Global state information.

options
Options

Options used in the evaluation.

Returns

The value and error string that is non-null if there is an error.

Inherited From ExpressionEvaluator.tryEvaluate

validateExpression(Expression)

Validate an expression.

function validateExpression(expression: Expression)

Parameters

expression
Expression

Expression to validate.

Inherited From ExpressionEvaluator.validateExpression