Package org.camunda.bpm.engine.impl.el

Interface ExpressionManager

All Known Implementing Classes:

CdiExpressionManager, JuelExpressionManager, MockExpressionManager, SpringExpressionManager

public interface ExpressionManager

Central manager for all expressions.

Process parsers will use this to build expression objects that are stored in the process definitions.

Then also this class is used as an entry point for runtime evaluation of the expressions.

Method Summary

Modifier and Type	Method	Description
void	addFunction(String name, Method function)	Adds a custom function to the expression manager that can be used in expression evaluation later on.
Expression	createExpression(String expression)

Method Details

createExpression

Expression createExpression(String expression)

Parameters:

expression -

Returns:

a parsed expression

addFunction

void addFunction(String name,
 Method function)

Adds a custom function to the expression manager that can be used in expression evaluation later on. Ideally, use this in the setup phase of the expression manager, i.e. before the first invocation of createExpression.

Parameters:

name -

function -