Package com.aquima.interactions.expressions.optimizer.nodes

Class AllExpression

java.lang.Object

com.aquima.interactions.expressions.optimizer.nodes.AllExpression

All Implemented Interfaces:

IExpressionNode, Serializable

public class AllExpression
extends Object
implements IExpressionNode

The All expression is used to collect all the instances of a specified entity type.

Since:

6.4

Author:

O. Kerpershoek

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
AllExpression(Identifier typeName)	Constructs the all expression with an identifier containing the entity type name.

Method Summary

Modifier and Type	Method	Description
IValue	evaluate(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.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

AllExpression

public AllExpression(Identifier typeName)

Constructs the all expression with an identifier containing the entity type name.

Parameters:

typeName - The name of the entity type of which all instances should be selected.

Method Details

evaluate

public IValue evaluate(IValueEnvironment environment)

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 interface IExpressionNode

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.

toString

public String toString()

Overrides:

toString in class Object