如何在Tridion 2011中获取组件UnPublish事件的(un-)PublicationTarget？

Question

我正在使用Tridion 2011的事件系统在取消发布组件时执行一些额外的操作.我正在使用此处的代码发布相关组件.

我正在注册我的事件处理程序如下:

EventSystem.Subscribe<Component, UnPublishEventArgs>(
    RemoveAndRepublish, EventPhases.Initiated);

...我的处理程序方法如下:

public void RemoveAndRepublish(Component cmp, UnPublishEventArgs args, 
                               EventPhases phase)
{
    // ... code to locate related component, and perform required actions...

    var instruction = new PublishInstruction(cmp.Session)
    {
        DeployAt = DateTime.Now,
        RenderInstruction = new RenderInstruction(cmp.Session)
        {
            RenderMode = RenderMode.Publish
        },
        ResolveInstruction = new ResolveInstruction(cmp.Session)
        {
            IncludeComponentLinks = true
        },
        RollbackOnFailure = true,
        StartAt = DateTime.MinValue
    };

    var target = args.Targets.FirstOrDefault();

    PublishEngine.Publish(new[] {related}, instruction, new[] {target});
}

我的问题是UnPublishEventArgs.Targets属性是一个IList<PublishingTarget>,在运行时结果是一个List<TargetType>,我需要一个PublicationTarget对象能够调用PublishEngine.Publish(...).

我的问题是:有没有办法从UnPublish事件中获取当前(un-)PublicationTarget？

有人可以提供任何帮助吗？

Answer 1

您需要自己从TargetType中找出PublicationTarget.根据TargetType和项目的发布,您需要遍历PublicationTargets以查看它们是否允许您的出版物发布给它们.这将(最终)为您提供PublicationTargets列表.不幸的是,这是相当多的工作:(

总而言之,你真的需要PublicationTarget吗？如果您需要重新发布或来自同一刊物/目标组合取消发布的项目,你应该能够解析相同的TargetType阵列的PublishEngine.Publish(...)方法.

当我搜索文档时,我在PublishEngine()上看到以下覆盖:

PublishEngine.Publish Method (IEnumerable<(Of <(<'IdentifiableObject>)>)>, PublishInstruction, IEnumerable<(Of <(<'TargetType>)>)>, PublishPriority)

public static ICollection<PublishTransaction> Publish(
    IEnumerable<IdentifiableObject> items,
    PublishInstruction publishInstruction,
    IEnumerable<TargetType> targetTypes,
    PublishPriority priority
)