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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container
import com.yahoo.config.ConfigInstance
import com.yahoo.vespa.config.ConfigKey
import java.lang.reflect.Type
import com.google.inject.Key
/**
*
* @author gjoranv
* @author tonytv
*/
package object di {
type ConfigKeyT = ConfigKey[_ <: ConfigInstance]
type GuiceInjector = com.google.inject.Injector
type JavaAnnotation = java.lang.annotation.Annotation
def createKey(instanceType: Type, annotation: JavaAnnotation) = {
{if (annotation == null)
Key.get(instanceType)
else
Key.get(instanceType, annotation)
}.asInstanceOf[Key[AnyRef]]
}
implicit def makeClassCovariant[SUB, SUPER >: SUB](clazz: Class[SUB]) : Class[SUPER] = {
clazz.asInstanceOf[Class[SUPER]]
}
def removeStackTrace(exception: Throwable): Throwable = {
if (preserveStackTrace) exception
else {
exception.setStackTrace(Array())
exception
}
}
//For debug purposes only
val preserveStackTrace: Boolean = Option(System.getProperty("jdisc.container.preserveStackTrace")).filterNot(_.isEmpty).isDefined
}
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