/// <summary>
/// This method supports the Enterprise Library infrastructure and is not intended to be used directly from your code.
/// Returns an <see cref="IDatabaseAssembler"/> that represents the building process for a a concrete <see cref="Database"/>.
/// </summary>
/// <param name="type">The concrete <see cref="Database"/> type.</param>
/// <param name="name">The name of the instance to build, or <see langword="null"/> (<b>Nothing</b> in Visual Basic).</param>
/// <param name="reflectionCache">The cache to use retrieving reflection information.</param>
/// <returns>The <see cref="IDatabaseAssembler"/> instance.</returns>
/// <exception cref="InvalidOperationException">when concrete <see cref="Database"/> type does have the required <see cref="DatabaseAssemblerAttribute"/>.</exception>
public IDatabaseAssembler GetAssembler(Type type, string name, ConfigurationReflectionCache reflectionCache)
{
bool exists = false;
IDatabaseAssembler assembler;
lock (assemblersMappingLock)
{
exists = assemblersMapping.TryGetValue(type, out assembler);
}
if (!exists)
{
DatabaseAssemblerAttribute assemblerAttribute
= reflectionCache.GetCustomAttribute <DatabaseAssemblerAttribute>(type);
if (assemblerAttribute == null)
{
throw new InvalidOperationException(
string.Format(
Resources.Culture,
Resources.ExceptionDatabaseTypeDoesNotHaveAssemblerAttribute,
type.FullName,
name));
}
assembler
= (IDatabaseAssembler)Activator.CreateInstance(assemblerAttribute.AssemblerType);
lock (assemblersMappingLock)
{
assemblersMapping[type] = assembler;
}
}
return(assembler);
}
private InstrumentationListenerAttribute GetInstrumentationListenerAttribute(object createdObject, ConfigurationReflectionCache reflectionCache)
{
Type createdObjectType = createdObject.GetType();
InstrumentationListenerAttribute listenerAttribute
= reflectionCache.GetCustomAttribute <InstrumentationListenerAttribute>(createdObjectType, true);
return(listenerAttribute);
}