global.namespace.neuron.di.api.scala.Incubator.scala Maven / Gradle / Ivy
/*
* Copyright © 2016 Schlichtherle IT Services
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package global.namespace.neuron.di.api.scala
import java.lang.reflect.Method
import java.util.function.{Function => jFunction, Supplier => jSupplier}
import global.namespace.neuron.di.api.java.{Incubator => jIncubator}
import global.namespace.neuron.di.spi.scala.runtimeClassOf
import scala.reflect._
object Incubator {
final case class stub[A](implicit classTag: ClassTag[A]) { self =>
private var jstub = jIncubator stub runtimeClassOf[A]
case class bind[B](methodReference: A => B) {
private val jbind = jstub bind methodReference
def to(replacement: => B): self.type = {
jstub = jbind to replacement _
self
}
def to[B2 <: B](replacement: A => B2): self.type = {
jstub = jbind to replacement
self
}
}
def breed: A = jstub.breed
}
final def breed[A : ClassTag]: A =
jIncubator breed runtimeClassOf[A]
final def breed[A : ClassTag](bind: Method => () => _): A = {
jIncubator.breed(runtimeClassOf[A],
(method: Method) => bind(method): jSupplier[_])
}
private implicit class FunctionAdapter[A, B](fun: A => B) extends jFunction[A, B] {
def apply(a: A): B = fun(a)
}
private implicit class SupplierAdapter[A](supplier: () => A) extends jSupplier[A] {
def get(): A = supplier()
}
}