Package org.camunda.bpm.engine.impl.el
Class ElValueProvider
java.lang.Object
org.camunda.bpm.engine.impl.el.ElValueProvider
- All Implemented Interfaces:
Comparable<ElValueProvider>
,ParameterValueProvider
public class ElValueProvider
extends Object
implements ParameterValueProvider, Comparable<ElValueProvider>
Makes it possible to use expression in
IoParameter
mappings.- Author:
- Daniel Meyer
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Field Summary
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionint
getValue
(VariableScope variableScope) boolean
void
setExpression
(Expression expression)
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Field Details
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expression
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Constructor Details
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ElValueProvider
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Method Details
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getValue
- Specified by:
getValue
in interfaceParameterValueProvider
- Parameters:
variableScope
- the scope in which the value is to be resolved.- Returns:
- the value
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getExpression
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setExpression
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compareTo
- Specified by:
compareTo
in interfaceComparable<ElValueProvider>
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isDynamic
public boolean isDynamic()- Specified by:
isDynamic
in interfaceParameterValueProvider
- Returns:
- true if the value provider:
- Can return a different value depending on the passed variable scope
- May uses external data for its resolution
- May have side effects
ParameterValueProvider.getValue(VariableScope)
can assume that:- passing an empty variable scope returns the same value as passing any other variable scope
- Calling
ParameterValueProvider.getValue(VariableScope)
multiple times always returns the same value - Calling
ParameterValueProvider.getValue(VariableScope)
does not have side effects
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