And obviously, I meant "every service that it somehow depends on"
instead of the other thing which is not true.
Op 22-11-2010 0:34, Tom van Dijk schreef:
Well, no, you will see that a lot of services depend on each other, so
in order to create an object that just happens to depend on stuff like
object providers, many other services need to be created. This is not
an inefficiency in Tapestry (The services are first only "virtual"
before they are realized) but it may be that the lifecycle it not
efficient in guice/tapestry integration as it is in tapestry.
When you ask for a service, every service that somehow depends on it
(via field/constructor initialization) is created as a VIRTUAL object.
Then when they are actually used (you call a method) they are REALIZED
(by the virtual proxy object). This is why it's not inefficient to
create all these virtual proxies. That part is easy. And when they are
actually used, well, then you need to have the realized object anyway,
so it's still efficient.
Op 21-11-2010 23:59, Sebastian Hennebrueder schreef:
Hello,
I added an object provider to integrate the Guice IOC Framework.
Though I have added it at the end, it is called for many Tapestry
related pieces. Is this not a very big inefficiency?
my integration stuff in AppModule
public static void
contributeMasterObjectProvider(OrderedConfiguration<ObjectProvider>
configuration) {
configuration.add("GuiceObjectProvider", new
GuiceObjectProvider(), "after:*");
}
Here is the list of services asked to build:
23:56:54,194 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.ioc.services.PipelineBuilder
23:56:54,224 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.ioc.services.PropertyShadowBuilder
23:56:54,243 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.services.RequestGlobals
23:56:54,263 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.services.ApplicationGlobals
23:56:54,270 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.ioc.services.ChainBuilder
23:56:54,275 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.services.Environment
23:56:54,280 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.ioc.services.StrategyBuilder
23:56:54,285 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.ioc.services.PropertyAccess
23:56:54,293 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.services.Request
23:56:54,311 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.services.Response
23:56:54,318 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.services.EnvironmentalShadowBuilder
23:56:54,323 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.internal.services.EndOfRequestEventHub
23:56:54,335 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.ioc.services.DefaultImplementationBuilder
23:56:54,345 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.ioc.services.TypeCoercer
23:56:54,346 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.services.ComponentClassResolver
23:56:54,362 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.services.Request
23:56:54,384 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface
org.apache.tapestry5.internal.services.ComponentInstantiatorSource
23:56:54,389 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.services.UpdateListenerHub
23:56:54,407 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.services.RequestGlobals
23:56:54,408 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface
org.apache.tapestry5.internal.services.ComponentClassTransformer
23:56:54,412 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.internal.services.InternalRequestGlobals
23:56:54,417 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.ioc.services.ClasspathURLConverter
23:56:54,434 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface
org.apache.tapestry5.internal.services.ComponentInstantiatorSource
23:56:54,435 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.ioc.services.ClassNameLocator
23:56:54,445 DEBUG GuiceObjectProvider:24 - guice asked to provide:
interface org.apache.tapestry5.ioc.services.ClasspathURLConverter
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