Package com.nomagic.magicdraw.expressions

Class ExpressionHelper

java.lang.Object

com.nomagic.magicdraw.expressions.ExpressionHelper

@OpenApiAll
public class ExpressionHelper
extends Object

Various utility methods used for ParameterizedExpression.

Constructor Summary

Constructors

Constructor	Description
ExpressionHelper()

Method Summary

Modifier and Type	Method	Description
static Object	call(ParameterizedExpression expression, Object... arguments)	Simplified ParametrizedExpression call.
static Object	call(ParameterizedExpression parameterizedExpression, List<?> arguments, ValueContext valueContext)	Call parameterizedExpression and returns value.
static ParameterizedExpression	getBehaviorExpression(Behavior behavior)	Gets expression represented by a given behavior.

Methods inherited from class java.lang.Object

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

Constructor Details

ExpressionHelper

public ExpressionHelper()

Method Details

call

@CheckForNull
public static Object call(ParameterizedExpression expression,
 Object... arguments)
                   throws Exception

Simplified ParametrizedExpression call. Intended for easier usage from scripts. ValueContext is null.

Parameters:

expression - expression to call. If not ParametrizedExpression result will be null

arguments - arguments for the expression

Returns:

expression result

Throws:

Exception - various exceptions, mostly from java.lang.reflect.Method#invoke(java.lang.Object, java.lang.Object...)

call

@CheckForNull
public static Object call(ParameterizedExpression parameterizedExpression,
 @CheckForNull
 List<?> arguments,
 @CheckForNull
 ValueContext valueContext)
                   throws Exception

Call parameterizedExpression and returns value.

Parameters:

parameterizedExpression - expression which should be called

arguments - arguments for the expression. If arguments do ot match, then exception will be thrown

valueContext - value context for the evaluated value. Usually null

Returns:

value of the expression call

Throws:

Exception - various exceptions, mostly from java.lang.reflect.Method#invoke(java.lang.Object, java.lang.Object...)

getBehaviorExpression

@CheckForNull
public static ParameterizedExpression getBehaviorExpression(Behavior behavior)

Gets expression represented by a given behavior.

Parameters:

behavior - behavior which represents an expression.

Returns:

parameterized expression.