/// <summary>
/// The create instance.
/// </summary>
/// <param name="context">
/// The context.
/// </param>
/// <typeparam name="T">
/// </typeparam>
/// <returns>
/// </returns>
public static T CreateInstance <T>(this IComponentContext context)
{
return((T)context.CreateInstance(typeof(T), false));
}
/// <summary>
/// The create instance.
/// </summary>
/// <param name="context">
/// The context.
/// </param>
/// <param name="type">
/// The type.
/// </param>
/// <returns>
/// The create instance.
/// </returns>
public static object CreateInstance(this IComponentContext context, Type type)
{
return(context.CreateInstance(type, false));
}
/// <summary>
/// Creates a new repository for the specified repository.
/// </summary>
/// <param name="repositoryName">The repository to associate with the <see cref="ILoggerRepository"/>.</param>
/// <param name="repositoryType">The type of repository to create, must implement <see cref="ILoggerRepository"/>.
/// If this param is <see langword="null" /> then the default repository type is used.</param>
/// <returns>The new repository.</returns>
/// <remarks>
/// <para>
/// The <see cref="ILoggerRepository"/> created will be associated with the repository
/// specified such that a call to <see cref="GetRepository(string)"/> with the
/// same repository specified will return the same repository instance.
/// </para>
/// </remarks>
/// <exception cref="ArgumentNullException"><paramref name="repositoryName"/> is <see langword="null" />.</exception>
/// <exception cref="LogException"><paramref name="repositoryName"/> already exists.</exception>
public ILoggerRepository CreateRepository(string repositoryName, Type repositoryType)
{
if (repositoryName == null)
{
throw new ArgumentNullException("repositoryName");
}
// If the type is not set then use the default type
if (repositoryType == null)
{
repositoryType = m_defaultRepositoryType;
}
lock (this)
{
ILoggerRepository rep = null;
// First check that the repository does not exist
rep = m_name2repositoryMap[repositoryName] as ILoggerRepository;
if (rep != null)
{
throw new LogException("Repository [" + repositoryName + "] is already defined. Repositories cannot be redefined.");
}
else
{
// Lookup an alias before trying to create the new repository
ILoggerRepository aliasedRepository = m_alias2repositoryMap[repositoryName] as ILoggerRepository;
if (aliasedRepository != null)
{
// Found an alias
// Check repository type
if (aliasedRepository.GetType() == repositoryType)
{
// Repository type is compatible
LogLog.Debug(declaringType, "Aliasing repository [" + repositoryName + "] to existing repository [" + aliasedRepository.Name + "]");
rep = aliasedRepository;
// Store in map
m_name2repositoryMap[repositoryName] = rep;
}
else
{
// Invalid repository type for alias
LogLog.Error(declaringType, "Failed to alias repository [" + repositoryName + "] to existing repository [" + aliasedRepository.Name + "]. Requested repository type [" + repositoryType.FullName + "] is not compatible with existing type [" + aliasedRepository.GetType().FullName + "]");
// We now drop through to create the repository without aliasing
}
}
// If we could not find an alias
if (rep == null)
{
LogLog.Debug(declaringType, "Creating repository [" + repositoryName + "] using type [" + repositoryType + "]");
// Call the no arg constructor for the repositoryType
rep = (ILoggerRepository)_context.CreateInstance(repositoryType);
// Set the name of the repository
rep.Name = repositoryName;
// Store in map
m_name2repositoryMap[repositoryName] = rep;
// Notify listeners that the repository has been created
OnLoggerRepositoryCreatedEvent(rep);
}
}
return(rep);
}
}
