Class IsActiveExpression
java.lang.Object
com.aquima.interactions.expressions.optimizer.nodes.IsActiveExpression
- All Implemented Interfaces:
IExpressionNode
,Serializable
The IsActive expression can be used to check if an instance of the provided entity is currently active.
- Since:
- 9.6
- Author:
- G. Graat
- See Also:
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Constructor Summary
ConstructorsConstructorDescriptionIsActiveExpression
(IExpressionNode fromExpr, Identifier alias, IExpressionNode whereExpr) Constructs the IsActive expression with the required arguments. -
Method Summary
Modifier and TypeMethodDescriptionevaluate
(IValueEnvironment environment) This method evaluates the node using the environment passed as argument and returns the result as a value or null if the result is unknown.protected Identifier
getAlias()
protected IExpressionNode
protected IExpressionNode
toString()
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Constructor Details
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IsActiveExpression
Constructs the IsActive expression with the required arguments.- Parameters:
fromExpr
- The expression that should be used to retrieve the values.alias
- The alias that is used for the values.whereExpr
- The condition that should be evaluated for each value.
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Method Details
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getAlias
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getFromExpr
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getWhereExpr
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evaluate
Description copied from interface:IExpressionNode
This method evaluates the node using the environment passed as argument and returns the result as a value or null if the result is unknown.- Specified by:
evaluate
in interfaceIExpressionNode
- Parameters:
environment
- The environment that should be used when evaluating the node.- Returns:
- The result of the evaluation, or null if the result is unknown.
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toString
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