org.activiti.engine.impl.el

Class VariableScopeElResolver

java.lang.Object

org.flowable.common.engine.impl.javax.el.ELResolver

org.activiti.engine.impl.el.VariableScopeElResolver

public class VariableScopeElResolver
extends org.flowable.common.engine.impl.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 org.flowable.variable.api.delegate.VariableScope	variableScope

Fields inherited from class org.flowable.common.engine.impl.javax.el.ELResolver

RESOLVABLE_AT_DESIGN_TIME, TYPE

Constructor Summary

Constructors

Constructor and Description
VariableScopeElResolver(org.flowable.variable.api.delegate.VariableScope variableScope)

Method Summary

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

Methods inherited from class org.flowable.common.engine.impl.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 org.flowable.variable.api.delegate.VariableScope variableScope

Constructor Detail

VariableScopeElResolver

public VariableScopeElResolver(org.flowable.variable.api.delegate.VariableScope variableScope)

Method Detail

getValue

public Object getValue(org.flowable.common.engine.impl.javax.el.ELContext context,
                       Object base,
                       Object property)

Specified by:

getValue in class org.flowable.common.engine.impl.javax.el.ELResolver

isReadOnly

public boolean isReadOnly(org.flowable.common.engine.impl.javax.el.ELContext context,
                          Object base,
                          Object property)

Specified by:

isReadOnly in class org.flowable.common.engine.impl.javax.el.ELResolver

setValue

public void setValue(org.flowable.common.engine.impl.javax.el.ELContext context,
                     Object base,
                     Object property,
                     Object value)

Specified by:

setValue in class org.flowable.common.engine.impl.javax.el.ELResolver

getCommonPropertyType

public Class<?> getCommonPropertyType(org.flowable.common.engine.impl.javax.el.ELContext arg0,
                                      Object arg1)

Specified by:

getCommonPropertyType in class org.flowable.common.engine.impl.javax.el.ELResolver

getFeatureDescriptors

public Iterator<FeatureDescriptor> getFeatureDescriptors(org.flowable.common.engine.impl.javax.el.ELContext arg0,
                                                         Object arg1)

Specified by:

getFeatureDescriptors in class org.flowable.common.engine.impl.javax.el.ELResolver

getType

public Class<?> getType(org.flowable.common.engine.impl.javax.el.ELContext arg0,
                        Object arg1,
                        Object arg2)

Specified by:

getType in class org.flowable.common.engine.impl.javax.el.ELResolver