Implementing the Microsoft Unity (Dependency Injection) Design Pattern

<?xml version="1.0"?>

<!--
  For more information on how to configure your ASP.NET application, please visit
  http://go.microsoft.com/fwlink/?LinkId=169433
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<configuration>

  <configSections>
    <section name="unity" type="Microsoft.Practices.Unity.Configuration.UnityConfigurationSection,                Microsoft.Practices.Unity.Configuration, Version=1.1.0.0,                Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
  </configSections>
  <unity>
    <typeAliases>
      <!-- Lifetime manager types -->
      <typeAlias alias="singleton" type="Microsoft.Practices.Unity.ContainerControlledLifetimeManager,              Microsoft.Practices.Unity"/>
      <typeAlias alias="external" type="Microsoft.Practices.Unity.ExternallyControlledLifetimeManager,              Microsoft.Practices.Unity"/>
      
      <!-- Custom object types -->
      <typeAlias alias="IEmployee" type="NotificationLibrary.IEmployee, NotificationLibrary"/>
      <typeAlias alias="IManager" type="NotificationLibrary.IManager, NotificationLibrary"/>
      <typeAlias alias="IPerson" type="NotificationLibrary.IPerson, NotificationLibrary"/> <!--used as a parameter in objects-->
            
      <typeAlias alias="MySingletonEmployee" type="NotificationLibrary.IEmployee, NotificationLibrary" />
      
    </typeAliases>
    <containers>
      <container name="containerOne">
        <types>
          <!-- Default (un-named) mapping for IEmployee to IEmployee-->
          <type type="IEmployee" mapTo="IEmployee"/>
          
          <!-- Default (un-named) mapping for ILogger to MyLogger -->
          <type type="ILogger" mapTo="MySingletonEmployee">
            <lifetime type="singleton"/>
          </type>
          
          <!-- Named mapping for IEmployee to MySingletonEmployee-->
          <type type="IEmployee" mapTo="MySingletonEmployee" name="SingleTonEmployee">
            <lifetime type="singleton"/>
          </type>
          
          <!-- Named mapping for IEmployee to MySingletonEmployee-->
          <type type="IEmployee" mapTo="MySingletonEmployee" name="NonSingletonEmployee">
            <lifetime type="external"/>
          </type>
          
        </types>
      </container>
    </containers>
  </unity>
  
    <system.web>
        <compilation debug="true" targetFramework="4.0" />
    </system.web>

</configuration>