Package org.flowable.common.engine.impl.el.function

Class VariableExistsExpressionFunction

java.lang.Object

org.flowable.common.engine.impl.el.function.AbstractFlowableVariableExpressionFunction

org.flowable.common.engine.impl.el.function.VariableExistsExpressionFunction

All Implemented Interfaces:

FlowableFunctionDelegate, FlowableAstFunctionCreator

public class VariableExistsExpressionFunction
extends AbstractFlowableVariableExpressionFunction

Returns whether or not a variable with the given name exists when fetched through the provided variable scope.

Author:

Joram Barrez

Field Summary

Fields inherited from class org.flowable.common.engine.impl.el.function.AbstractFlowableVariableExpressionFunction

functionName, functionNamesOptions, method, variableScopeName

Constructor Summary

Constructors

Constructor	Description
VariableExistsExpressionFunction()

Method Summary

Modifier and Type	Method	Description
static boolean	exists(VariableContainer variableContainer, String variableName)

Methods inherited from class org.flowable.common.engine.impl.el.function.AbstractFlowableVariableExpressionFunction

createFunction, createVariableNameNode, findMethod, functionMethod, getFunctionNames, getVariableValue, localName, localNames, prefix, prefixes, valuesAreNumbers

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.flowable.common.engine.api.delegate.FlowableFunctionDelegate

functionMethod

Constructor Details

VariableExistsExpressionFunction

public VariableExistsExpressionFunction()

Method Details

exists

public static boolean exists(VariableContainer variableContainer,
 String variableName)