org.flowable.engine.impl.el

Class VariableScopeElResolver

java.lang.Object

javax.el.ELResolver

org.flowable.engine.impl.el.VariableScopeElResolver

public class VariableScopeElResolver
extends javax.el.ELResolver

Implementation of an ELResolver that resolves expressions with the process variables of a given VariableScope as context.
Also exposes the currently logged in username to be used in expressions (if any)

Author:

Joram Barrez, Frederik Heremans

Field Summary

Fields

Modifier and Type	Field and Description
static String	EXECUTION_KEY
static String	LOGGED_IN_USER_KEY
static String	TASK_KEY
protected VariableScope	variableScope

Fields inherited from class javax.el.ELResolver

RESOLVABLE_AT_DESIGN_TIME, TYPE

Constructor Summary

Constructors

Constructor and Description
VariableScopeElResolver(VariableScope variableScope)

Method Summary

Modifier and Type	Method and Description
Class<?>	getCommonPropertyType(javax.el.ELContext arg0, Object arg1)
Iterator<FeatureDescriptor>	getFeatureDescriptors(javax.el.ELContext arg0, Object arg1)
Class<?>	getType(javax.el.ELContext arg0, Object arg1, Object arg2)
Object	getValue(javax.el.ELContext context, Object base, Object property)
boolean	isReadOnly(javax.el.ELContext context, Object base, Object property)
void	setValue(javax.el.ELContext context, Object base, Object property, Object value)

Methods inherited from class javax.el.ELResolver

invoke

Methods inherited from class java.lang.Object

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

Field Detail

EXECUTION_KEY

public static final String EXECUTION_KEY

See Also:

Constant Field Values

TASK_KEY

public static final String TASK_KEY

See Also:

Constant Field Values

LOGGED_IN_USER_KEY

public static final String LOGGED_IN_USER_KEY

See Also:

Constant Field Values

variableScope

protected VariableScope variableScope

Constructor Detail

VariableScopeElResolver

public VariableScopeElResolver(VariableScope variableScope)

Method Detail

getValue

public Object getValue(javax.el.ELContext context,
                       Object base,
                       Object property)

Specified by:

getValue in class javax.el.ELResolver

isReadOnly

public boolean isReadOnly(javax.el.ELContext context,
                          Object base,
                          Object property)

Specified by:

isReadOnly in class javax.el.ELResolver

setValue

public void setValue(javax.el.ELContext context,
                     Object base,
                     Object property,
                     Object value)

Specified by:

setValue in class javax.el.ELResolver

getCommonPropertyType

public Class<?> getCommonPropertyType(javax.el.ELContext arg0,
                                      Object arg1)

Specified by:

getCommonPropertyType in class javax.el.ELResolver

getFeatureDescriptors

public Iterator<FeatureDescriptor> getFeatureDescriptors(javax.el.ELContext arg0,
                                                         Object arg1)

Specified by:

getFeatureDescriptors in class javax.el.ELResolver

getType

public Class<?> getType(javax.el.ELContext arg0,
                        Object arg1,
                        Object arg2)

Specified by:

getType in class javax.el.ELResolver