Expression

interface Expression

Known direct subclasses

Constant, ExpressionWithId, Reference

`Constant`	Represents a constant.
`ExpressionWithId`	Represents an expression with random UUID.
`Reference`	Represents a reference to a previously defined node in the automation graph, or an list element for list comprehension expression .

Known indirect subclasses

`And`	The logical AND operator.
`BetweenTimes`	The between times operator, which evaluates to `true` when `operand1` is between `operand2` and `operand3`.
`Between`	The between operator, which evaluates to `true` when `operand1` is between `operand2` and `operand3`.
`BinaryExpression`	Represents a binary expression with two operands: "`operand1` `operator` `operand2`".
`Comprehension`	Represents list comprehension expressions.
`Divide`	The DIVIDE operator, which calculates `operand1 / operand2`.
`Equals`	The equality operator, which evaluates to `true` when `operand1` equals `operand2`.
`FieldSelect`	Select field(s) from a struct.
`GetDevicesOfType`
`GreaterThanOrEquals`	The greater-than-or-equal-to operator, which evaluates to `true` when `operand1` `>=` `operand2`.
`GreaterThan`	The greater-than operator, which evaluates to `true` when `operand1` `>` `operand2`.
`LessThanOrEquals`	The less-than-or-equal-to operator, which evaluates to `true` when `operand1` `<=` `operand2`.
`LessThan`	The less-than operator, which evaluates to `true` when `operand1` `<` `operand2`.
`ListAllMatch`	Represents the "all match" operation on a list expression.
`ListAnyMatch`	Represents the "any match" operation on a list expression.
`ListContains`	Represents the "contains" operation on a list expression.
`ListFilter`	Represents the "filter" operation on a list expression.
`ListGet`	Represents the "get" operation on a list expression.
`ListIn`	Represents the "in" operation on a list expression.
`ListMap`	Represents the map operation on a list expression.
`ListNoneMatch`	Represents the "none match" operation on a list expression.
`ListSize`	Represents the "size" operation on a list expression.
`MapFilter`	Represents the "filter" operation on a map expression.
`MapKeys`	Represents the "keys" operation on a map expression.
`MapSize`	Represents the "size" operation on a map expression.
`MapValues`	Represents the "values" operation on a map expression.
`Minus`	The MINUS operator, which calculates `operand1 - operand2`.
`Multiply`	The MULTIPLY operator, which calculates `operand1 * operand2`.
`NotEquals`	The not-equals operator, which evaluates to `true` when `operand1` is not equal to `operand2`.
`Not`	The logical NOT operator.
`Or`	The logical OR operator.
`Plus`	The PLUS operator, which calculates `operand1 + operand2`.
`TernaryExpression`	Represents a ternary expression with three operands".
`UnaryExpression`	Represents a unary expression with one operand: "`operator` `operand`".
`UnknownExpression`	Represents an unknown expression.

An expression which evaluates to a value. Depending on the operator, this can be a literal expression such as a constant or a reference, a logical expression, a comparison expression or an arithemetic expression.