/// <summary>
/// Compiles the specified template.
/// </summary>
/// <param name="razorTemplate">The string template.</param>
/// <param name="modelType">The model type.</param>
/// <param name="cacheName">The name of the template type in the cache.</param>
public void Compile(string razorTemplate, Type modelType, string cacheName)
{
Contract.Requires(razorTemplate != null);
Contract.Requires(cacheName != null);
int hashCode = razorTemplate.GetHashCode();
Type type = CreateTemplateType(razorTemplate, modelType);
var item = new CachedTemplateItem(hashCode, type);
_cache.AddOrUpdate(cacheName, item, (n, i) => item);
}
/// <summary>
/// Compiles the specified template.
/// </summary>
/// <param name="razorTemplate">The string template.</param>
/// <param name="modelType">The model type.</param>
/// <param name="name">The name of the template.</param>
public void Compile(string razorTemplate, Type modelType, string name, bool flag)
{
//需重新加载或内存中没有加载程序集时
if (flag || !_cache.ContainsKey(name))
{
int hashCode = razorTemplate.GetHashCode();
Type type = CreateTemplateType(razorTemplate, modelType, name, flag);
var item = new CachedTemplateItem(hashCode, type);
_cache.AddOrUpdate(name, item, (n, i) => item);
}
}
/// <summary>
/// Gets an instance of the template using the cached compiled type, or compiles the template type
/// if it does not exist in the cache.
/// </summary>
/// <param name="razorTemplate">The string template.</param>
/// <param name="name">The name of the template type in the cache.</param>
/// <returns>An instance of <see cref="ITemplate"/>.</returns>
public virtual ITemplate GetTemplate(string razorTemplate, string name)
{
if (razorTemplate == null)
{
throw new ArgumentNullException("razorTemplate");
}
int hashCode = razorTemplate.GetHashCode();
CachedTemplateItem item;
if (!(_cache.TryGetValue(name, out item) && item.CachedHashCode == hashCode))
{
Type type = CreateTemplateType(razorTemplate);
item = new CachedTemplateItem(hashCode, type);
_cache.AddOrUpdate(name, item, (n, i) => item);
}
return(CreateTemplate(item.TemplateType));
}
/// <summary>
/// Gets an instance of the template using the cached compiled type, or compiles the template type
/// if it does not exist in the cache.
/// </summary>
/// <typeparam name="T">Type of the model</typeparam>
/// <param name="razorTemplate">The string template.</param>
/// <param name="model">The model instance or NULL if there is no model for this template.</param>
/// <param name="cacheName">The name of the template type in the cache.</param>
/// <returns>An instance of <see cref="ITemplate{T}"/>.</returns>
private ITemplate GetTemplate <T>(string razorTemplate, object model, string cacheName)
{
if (razorTemplate == null)
{
throw new ArgumentNullException("razorTemplate");
}
int hashCode = razorTemplate.GetHashCode();
CachedTemplateItem item;
if (!(_cache.TryGetValue(cacheName, out item) && item.CachedHashCode == hashCode))
{
Type type = CreateTemplateType(razorTemplate, (model == null) ? typeof(T) : model.GetType());
item = new CachedTemplateItem(hashCode, type);
_cache.AddOrUpdate(cacheName, item, (n, i) => item);
}
var instance = CreateTemplate(null, item.TemplateType, model);
return(instance);
}
