[英]Unity: pass parameters to custom lifetime constructor, in xml configuration file
I wrote my CustomLifetimeManager like this: 我这样写了CustomLifetimeManager:
public class CustomLifetimeManager <T> : LifetimeManager
{
private readonly string _arg;
public CustomLifetimeManager(string arg)
{
_arg = arg;
}
}
Now, it works easy configuring the container programmatically, but how add it in configuration file like the following? 现在,它可以轻松地以编程方式配置容器,但是如何将其添加到配置文件中,如下所示?
<type type="myTime"
mapTo="myImpl">
<lifetime type="CustomLifetimeManager"/>
</type>
You need to add a second class: A TypeConverter. 您需要添加第二个类:TypeConverter。 This class is responsible for taking a string and turning it into whatever type you want.
此类负责将字符串转换为所需的任何类型。 Once you implement it, you can then do something like this in your config file:
一旦实现,就可以在配置文件中执行以下操作:
<register type="MyType" mapTo"MyImpl">
<lifetime typeConverter="CustomLifetimeManagerConverter" value="arg" />
</register>
and from there it should just work (assuming the config can find the type converter like any other type). 并从那里开始工作(假设配置可以像其他类型一样找到类型转换器)。
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