1 /*
2  * Copyright (C) 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.quicksearchbox.util
18 
19 /** [NowOrLater] class that converts from one type to another. */
20 abstract class NowOrLaterWrapper<A, B>(private val mWrapped: NowOrLater<A>) : NowOrLater<B> {
getLaternull21   override fun getLater(consumer: Consumer<in B>?) {
22     mWrapped.getLater(
23       object : Consumer<A> {
24         override fun consume(value: A): Boolean {
25           return consumer!!.consume(get(value))
26         }
27       }
28     )
29   }
30 
31   override val now: B
32     get() = get(mWrapped.now)
33 
haveNownull34   override fun haveNow(): Boolean {
35     return mWrapped.haveNow()
36   }
37 
38   /**
39    * Perform the appropriate conversion. This will be called once for every call to [.getLater] or
40    * [.getNow]. The thread that it's called on will depend on the behaviour of the wrapped object
41    * and the caller.
42    */
getnull43   abstract operator fun get(value: A): B
44 }
45