org.camunda.bpm.engine.impl.el
Class ExpressionManager

java.lang.Object
  org.camunda.bpm.engine.impl.el.ExpressionManager

Direct Known Subclasses:

MockExpressionManager

public class ExpressionManager
extends Object

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.

Author:

Tom Baeyens, Dave Syer, Frederik Heremans

Field Summary

protected Map<Object,Object>	beans
protected ExpressionFactory	expressionFactory
protected ELContext	parsingElContext

Constructor Summary

ExpressionManager()

ExpressionManager(Map<Object,Object> beans)

Method Summary

protected ActivitiElContext	createElContext(VariableScope variableScope)
protected ELResolver	createElResolver(VariableScope variableScope)
Expression	createExpression(String expression)
ELContext	getElContext(VariableScope variableScope)
void	setExpressionFactory(ExpressionFactory expressionFactory)

Methods inherited from class java.lang.Object

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

Field Detail

expressionFactory

protected ExpressionFactory expressionFactory

parsingElContext

protected ELContext parsingElContext

beans

protected Map<Object,Object> beans

Constructor Detail

ExpressionManager

public ExpressionManager()

ExpressionManager

public ExpressionManager(Map<Object,Object> beans)

Method Detail

createExpression

public Expression createExpression(String expression)

setExpressionFactory

public void setExpressionFactory(ExpressionFactory expressionFactory)

getElContext

public ELContext getElContext(VariableScope variableScope)

createElContext

protected ActivitiElContext createElContext(VariableScope variableScope)

createElResolver

protected ELResolver createElResolver(VariableScope variableScope)