/**
* Replaces the existing interceptor chain in the cache wih one represented by the interceptor
* passed in. This utility updates dependencies on all components that rely on the interceptor
* chain as well.
*
* @param cache cache that needs to be altered
* @param interceptor the first interceptor in the new chain.
*/
public static void replaceInterceptorChain(Cache cache, CommandInterceptor interceptor) {
ComponentRegistry cr = extractComponentRegistry(cache);
// make sure all interceptors here are wired.
CommandInterceptor i = interceptor;
do {
cr.wireDependencies(i);
} while ((i = i.getNext()) != null);
InterceptorChain inch = cr.getComponent(InterceptorChain.class);
inch.setFirstInChain(interceptor);
}
/**
* Replaces an existing interceptor of the given type in the interceptor chain with a new
* interceptor instance passed as parameter.
*
* @param replacingInterceptor the interceptor to add to the interceptor chain
* @param toBeReplacedInterceptorType the type of interceptor that should be swapped with the new
* one
* @return true if the interceptor was replaced
*/
public static boolean replaceInterceptor(
Cache cache,
CommandInterceptor replacingInterceptor,
Class<? extends CommandInterceptor> toBeReplacedInterceptorType) {
ComponentRegistry cr = extractComponentRegistry(cache);
// make sure all interceptors here are wired.
CommandInterceptor i = replacingInterceptor;
do {
cr.wireDependencies(i);
} while ((i = i.getNext()) != null);
InterceptorChain inch = cr.getComponent(InterceptorChain.class);
return inch.replaceInterceptor(replacingInterceptor, toBeReplacedInterceptorType);
}
@Inject
protected void injectDependencies(ComponentRegistry cr) {
cr.wireDependencies(filter);
}
