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Decoration has been replaced, in Tapestry 5.1, with advice Service Advice, which is a simpler mechanism for accomplishing the same thing.

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package org.example.myapp.services;

import org.apache.tapestry5.ioc.services.LoggingDecorator;
import org.slf4j.Logger;

public class MyAppModule
{
  public static Indexer build(Logger logger, LoggingDecorator decorator)
  {
    return decorator.build(Indexer.class, logger,  new IndexerImpl());
  } 
}

But as we'll see, its possible to have a single decorator method work on many different services by using annotations.

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Targeting Multiple Services

By using the @Match @Match annnotation, you may identify which services are to be decorated.

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In cases where multiple decorators will apply to a single service, you can control the order in which decorators are applied using an additional annotation: @Order@Order.

This annotation allows any number of ordering constraints to be specified for the decorator, to order it relative to any other decorators.

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