/// <summary>
/// 題型指定獲取HTML支援類實例
/// </summary>
/// <param name="topicIdentifier">題型類型</param>
/// <returns>HTML支援類實例</returns>
public IHtmlSupport CreateHtmlSupportInstance(string topicIdentifier)
{
// 獲取HTML支援類Composer
_composer = ComposerFactory.GetComporser(topicIdentifier);
// 返回緩衝區中的支援類對象
Lazy <IHtmlSupport, IHtmlSupportMetaDataView> lazyHtmlSupport = HtmlSupportCache.GetOrAdd(_composer, (o) =>
{
// 從MEF容器中注入本類的屬性信息（注入HTML支援類屬性）
_composer.Compose(this);
// 取得指定類型下的支援類類型參數
IEnumerable <Lazy <IHtmlSupport, IHtmlSupportMetaDataView> > supports = Supports.Where(d => d.Metadata.TopicIdentifier.Equals(topicIdentifier, StringComparison.CurrentCultureIgnoreCase));
if (!supports.Any())
{
throw new HtmlSupportNotFoundException(MessageUtil.GetMessage(() => MsgResources.E0021L, topicIdentifier));
}
LogUtil.LogDebug(MessageUtil.GetMessage(() => MsgResources.I0008L));
return(supports.First());
});
// 該題型HTML支持類實例（實例化）
var htmlSupport = lazyHtmlSupport.Value;
// 內部部件組合
_composer.Compose(htmlSupport);
// 返回該題型HTML支持類實例
return(htmlSupport);
}
/// <summary>
/// 對指定計算式策略實例化
/// </summary>
/// <param name="topicIdentifier">題型識別ID</param>
/// <returns>策略實例</returns>
public virtual ITopic CreateTopicInstance(string topicIdentifier)
{
// 以題型為單位取得Composer
_composer = ComposerFactory.GetComporser(topicIdentifier);
// 返回緩衝區中的運算符對象
Lazy <ITopic, ITogicMetaDataView> lazyTopic = TopicCache.GetOrAdd(_composer, (o) =>
{
// 內部部件組合
_composer.Compose(this);
// 指定運算符并獲取處理類型
IEnumerable <Lazy <ITopic, ITogicMetaDataView> > topics = Topics.Where(d =>
{
return(d.Metadata.TopicIdentifier.Equals(topicIdentifier, StringComparison.CurrentCultureIgnoreCase));
});
// 部件是否存在
if (!topics.Any())
{
// 指定的題型策略對象未找到
throw new TopicNotFoundException(MessageUtil.GetMessage(() => MsgResources.E0018L, topicIdentifier));
}
LogUtil.LogDebug(MessageUtil.GetMessage(() => MsgResources.I0003L));
return(topics.First());
});
// 返回該運算符處理類型的實例（實例化）
var topic = lazyTopic.Value;
// 內部部件組合（策略抽象類中的計算式工廠對象注入）
_composer.Compose(topic);
return(topic);
}
/// <summary>
/// <see cref="CompileController"/>構造 構築依賴組合並導入<see cref="ApiProcess"/>API處理類
/// </summary>
public CompileController()
{
// 獲取HTML支援類Composer
Composer composer = ComposerFactory.GetComporser(this.GetType().Assembly);
composer.Compose(this);
}
/// <summary>
///
/// </summary>
/// <param name="topicIdentifier"></param>
public void ReleaseExportsHtmlSupport(string topicIdentifier)
{
// 獲取HTML支援類Composer
_composer = ComposerFactory.GetComporser(topicIdentifier);
HtmlSupportCache.TryRemove(_composer, out Lazy <IHtmlSupport, IHtmlSupportMetaDataView> support);
_composer.ReleaseExport(support);
}
/// <summary>
///
/// </summary>
/// <param name="topicIdentifier"></param>
public void Release(string topicIdentifier)
{
// 獲取HTML支援類Composer
_composer = ComposerFactory.GetComporser(topicIdentifier);
TopicCache.TryRemove(_composer, out Lazy <ITopic, ITogicMetaDataView> topic);
_composer.ReleaseExport(topic);
}
/// <summary>
/// 畫面構造函數
/// </summary>
public FrmMain()
{
InitializeComponent();
// 獲取HTML支援類Composer
Composer composer = ComposerFactory.GetComporser(this.GetType().Assembly);
composer.Compose(this);
}
public ArithmeticFactory()
{
// 獲取計算式策略模塊Composer
_composer = ComposerFactory.GetComporser(GetType().Assembly);
}
/// <summary>
/// 定義私有構造函數，使外界不能創建該類實例
/// </summary>
private PolicyHelper()
{
ComposerFactory.GetComporser(this.GetType().Assembly).Compose(this);
}
/// <summary>
/// 實例化
/// </summary>
public TopicParameterHepler()
{
// 獲取共通處理模塊Composer
_composer = ComposerFactory.GetComporser(this.GetType().Assembly);
}
/// <summary>
/// 定義私有構造函數，使外界不能創建該類實例
/// </summary>
public FormulasConsolerFactory()
{
// 內部部件組合
ComposerFactory.GetComporser(this.GetType().Assembly).Compose(this);
}
