阿木博主一句话概括：Xojo【1】 语言中利用 Reusable【2】 对象池【3】优化实例化开销【4】
阿木博主为你简单介绍：
在软件开发中，频繁地创建和销毁对象会带来显著的性能开销。特别是在资源受限的环境中，这种开销可能会对应用程序的性能产生严重影响。Xojo 语言作为一种跨平台的开发工具，提供了丰富的类和对象创建机制。本文将探讨如何在 Xojo 中使用 Reusable 对象池技术来减少实例化开销，提高应用程序的性能。
关键词：Xojo，对象池，Reusable，性能优化【5】，实例化开销
一、
Xojo 是一种面向对象的编程语言，它允许开发者使用相同的代码在多个平台上创建应用程序。在 Xojo 中，对象的创建和销毁是常见的操作，但频繁的实例化会导致内存分配和垃圾回收【6】的开销。为了解决这个问题，我们可以采用对象池（Object Pool）技术，通过重用对象来减少实例化开销。
二、对象池的概念
对象池是一种设计模式，它通过维护一个对象池来重用对象，从而减少对象的创建和销毁次数。当需要使用对象时，可以从池中获取一个已经创建好的对象；当对象不再需要时，而不是销毁它，而是将其返回到池中，以便下次重用。
三、Xojo 中的 Reusable 类
Xojo 提供了一个名为 Reusable 的类，它是一个抽象基类【7】，用于创建可重用的对象。Reusable 类提供了两个关键方法：`Initialize` 和 `Finalize`。`Initialize` 方法在对象从池中取出时调用，用于初始化【8】对象的状态；`Finalize` 方法在对象返回池中时调用，用于清理【9】对象的状态。
四、实现 Reusable 对象池
以下是一个简单的 Reusable 对象池实现示例：
```xojo
classid: 00000000-0000-0000-0000-000000000000
commandline: ReusableObjectPool【10】
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64【11】, macOS【12】, Linux【13】, iOS【14】, Android【15】, Raspberry Pi【16】
Debug【17】: Yes
Build【18】: Yes
Run【19】: Yes
Buildtarget【20】: Application
Buildconfig【21】: Debug
Runconfig【22】: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000001
commandline: ReusableObject
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000002
commandline: ObjectPool
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000003
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000004
commandline: ReusableObject
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000005
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000006
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000007
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000008
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000009
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000010
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000011
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000012
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000013
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000014
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000015
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000016
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000017
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000018
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000019
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-00000000001A
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-00000000001B
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-00000000001C
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-00000000001D
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-00000000001E
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-00000000001F
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000020
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000021
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000022
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000023
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000024
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000025
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000026
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000027
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid: 00000000-0000-0000-0000-000000000028
commandline: Main
tool: com.xojo.toolset
project: ReusableObjectPool.xojo
target: Win64, macOS, Linux, iOS, Android, Raspberry Pi
debug: Yes
build: Yes
run: Yes
buildtarget: Application
buildconfig: Debug
runconfig: Debug
uses Reusable
classid
Comments NOTHING