org.ff4j.aop

Class FeatureAdvisor

java.lang.Object

org.ff4j.aop.FeatureAdvisor

All Implemented Interfaces:

org.aopalliance.aop.Advice, org.aopalliance.intercept.Interceptor, org.aopalliance.intercept.MethodInterceptor

@Component(value="ff.advisor")
public class FeatureAdvisor
extends Object
implements org.aopalliance.intercept.MethodInterceptor

At runtime check presence of annotation @{Flip}, then evaluate if the related feature id is enabled. If the feature is enabled, the implementation is route to the correct implementation.

Author:

Cedrick LUNVEN (@clunven)

Constructor Summary

Constructors

Constructor and Description
FeatureAdvisor()

Method Summary

Modifier and Type	Method and Description
protected boolean	check(Flip ff, org.aopalliance.intercept.MethodInvocation mi) Call if Flipped based on different parameters of the annotation
protected String	getExecutedBeanName(org.aopalliance.intercept.MethodInvocation mi) Find bean name related to current method invocation.
protected Class<?>	getExecutedClass(org.aopalliance.intercept.MethodInvocation pMInvoc) Find current class based on the MethodInvocation and passing throug AOP Proxies.
FF4j	getFf4j() Getter accessor for attribute 'ff4j'.
protected Flip	getFF4jAnnotation(org.aopalliance.intercept.MethodInvocation mi) Pick annotation from method or class.
protected FlippingExecutionContext	getFlippingContext(Flip ff, org.aopalliance.intercept.MethodInvocation mi) Retriveve FlippingExecutionContext from FF4J or as parameter.
Object	invoke(org.aopalliance.intercept.MethodInvocation mi)
protected Object	invokeAlterBean(org.aopalliance.intercept.MethodInvocation mi, String alterBeanName) Invoke another Bean for the current Method.
protected Object	invokeAlterClazz(org.aopalliance.intercept.MethodInvocation mi, Flip ff) Invoke alter class.
void	setFf4j(FF4j ff4j) Setter accessor for attribute 'ff4j'.

Methods inherited from class java.lang.Object

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

Constructor Detail

FeatureAdvisor

public FeatureAdvisor()

Method Detail

invoke

public Object invoke(org.aopalliance.intercept.MethodInvocation mi)
              throws Throwable

Specified by:

invoke in interface org.aopalliance.intercept.MethodInterceptor

Throws:

Throwable

check

protected boolean check(Flip ff,
                        org.aopalliance.intercept.MethodInvocation mi)

Call if Flipped based on different parameters of the annotation

Parameters:

ff - annotation over current method

context -

Returns:

if flippinf should be considere

getFF4jAnnotation

protected Flip getFF4jAnnotation(org.aopalliance.intercept.MethodInvocation mi)

Pick annotation from method or class.

Parameters:

method - current method

Returns:

the associated annotation

getFlippingContext

protected FlippingExecutionContext getFlippingContext(Flip ff,
                                                      org.aopalliance.intercept.MethodInvocation mi)

Retriveve FlippingExecutionContext from FF4J or as parameter.

Parameters:

ff - current annotation

mi - invocation

Returns:

getExecutedClass

protected Class<?> getExecutedClass(org.aopalliance.intercept.MethodInvocation pMInvoc)

Find current class based on the MethodInvocation and passing throug AOP Proxies.

Parameters:

pMInvoc - current method invocation

Returns:

current class of raise error if static

getExecutedBeanName

protected String getExecutedBeanName(org.aopalliance.intercept.MethodInvocation mi)

Find bean name related to current method invocation.

Parameters:

pMInvoc - current method invocation

Returns:

bean name related to this method

invokeAlterBean

protected Object invokeAlterBean(org.aopalliance.intercept.MethodInvocation mi,
                                 String alterBeanName)
                          throws Throwable

Invoke another Bean for the current Method.

Parameters:

mi - current method invocation

alterBean - target bean

Returns:

return of invocation

Throws:

Throwable - erros occured

invokeAlterClazz

protected Object invokeAlterClazz(org.aopalliance.intercept.MethodInvocation mi,
                                  Flip ff)
                           throws Throwable

Invoke alter class.

Parameters:

mi - method invocation

ff - ff4j annotation

Returns:

object returned by the

Throws:

Throwable - error during invocation

getFf4j

public FF4j getFf4j()

Getter accessor for attribute 'ff4j'.

Returns:

current value of 'ff4j'

setFf4j

public void setFf4j(FF4j ff4j)

Setter accessor for attribute 'ff4j'.

Parameters:

ff4j - new value for 'ff4j '