Package org.activiti.engine.impl.el

Class ExpressionManager

java.lang.Object

org.activiti.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.

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<Object,Object>	beans
protected javax.el.ExpressionFactory	expressionFactory

Constructor Summary

Constructors

Constructor	Description
ExpressionManager()
ExpressionManager(boolean initFactory)
ExpressionManager(Map<Object,Object> beans)
ExpressionManager(Map<Object,Object> beans, boolean initFactory)

Method Summary

Modifier and Type	Method	Description
protected void	addBeansResolver(javax.el.CompositeELResolver elResolver)
protected ActivitiElContext	createElContext(VariableScope variableScope)
protected javax.el.ELResolver	createElResolver(VariableScope variableScope)
Expression	createExpression(String expression)
Map<Object,Object>	getBeans()
javax.el.ELContext	getElContext(Map<String,Object> availableVariables)
javax.el.ELContext	getElContext(VariableScope variableScope)
void	setBeans(Map<Object,Object> beans)
void	setExpressionFactory(javax.el.ExpressionFactory expressionFactory)

Methods inherited from class java.lang.Object

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

Field Detail

expressionFactory

protected javax.el.ExpressionFactory expressionFactory

beans

protected Map<Object,Object> beans

Constructor Detail

ExpressionManager

public ExpressionManager()

ExpressionManager

public ExpressionManager(boolean initFactory)

ExpressionManager

public ExpressionManager(Map<Object,Object> beans)

ExpressionManager

public ExpressionManager(Map<Object,Object> beans,
                         boolean initFactory)

Method Detail

createExpression

public Expression createExpression(String expression)

setExpressionFactory

public void setExpressionFactory(javax.el.ExpressionFactory expressionFactory)

getElContext

public javax.el.ELContext getElContext(VariableScope variableScope)

createElContext

protected ActivitiElContext createElContext(VariableScope variableScope)

createElResolver

protected javax.el.ELResolver createElResolver(VariableScope variableScope)

addBeansResolver

protected void addBeansResolver(javax.el.CompositeELResolver elResolver)

getBeans

public Map<Object,Object> getBeans()

setBeans

public void setBeans(Map<Object,Object> beans)

getElContext

public javax.el.ELContext getElContext(Map<String,Object> availableVariables)