/// <summary>
/// Returns the operations for the specified method.
/// </summary>
/// <param name="method">The operation method.</param>
/// <returns>The read-only list of provided operations for the specified method.</returns>
/// <exception cref="System.ArgumentNullException">The method is null.</exception>
public IList <Type> GetOperations(OperationMethod method)
{
if (method == null)
{
throw new ArgumentNullException("method", "The method is null.");
}
List <Type> operation = new List <Type>();
Type[] types = _assembly.GetTypes();
// get operations
foreach (Type operationType in types.Where(type => !type.IsAbstract && type.GetCustomAttributes(typeof(OperationMethodImplementationAttribute), false).Length > 0))
{
OperationMethodImplementationAttribute attribute = operationType.GetCustomAttributes(typeof(OperationMethodImplementationAttribute), false)[0] as OperationMethodImplementationAttribute;
// the operation matches the specified method
if (attribute.Identifier.Equals(method.Identifier) && attribute.Version.Equals(method.Version))
{
operation.Add(operationType);
}
}
return(operation.AsReadOnly());
}
/// <summary>
/// Returns all operations provided by the provider.
/// </summary>
/// <returns>The read-only dictionary of provided operations.</returns>
public IDictionary <OperationMethod, IList <Type> > GetOperations()
{
Dictionary <OperationMethod, IList <Type> > operations = new Dictionary <OperationMethod, IList <Type> >();
Type[] types = _assembly.GetTypes();
List <OperationMethod> listOfMethods = new List <OperationMethod>();
// get methods
foreach (Type collectionType in types.Where(type => type.GetCustomAttributes(typeof(OperationMethodCollectionAttribute), false).Length > 0))
{
listOfMethods.AddRange(collectionType.InvokeMember("All", BindingFlags.GetProperty, null, null, null) as IList <OperationMethod>);
}
// get operations
foreach (Type operationType in types.Where(type => !type.IsAbstract && type.GetCustomAttributes(typeof(OperationMethodImplementationAttribute), false).Length > 0))
{
OperationMethodImplementationAttribute attribute = operationType.GetCustomAttributes(typeof(OperationMethodImplementationAttribute), false)[0] as OperationMethodImplementationAttribute;
OperationMethod method = listOfMethods.FirstOrDefault(m => m.Identifier.Equals(attribute.Identifier));
if (method != null) // add methods and operations to the collection
{
if (!operations.ContainsKey(method))
{
operations.Add(method, new List <Type>());
}
operations[method].Add(operationType);
}
}
return(new ReadOnlyDictionary <OperationMethod, IList <Type> >(operations));
}
public void OperationTypeAttributeConstructorTest()
{
OperationMethodImplementationAttribute attribute;
// test case 1: improper parameters
Assert.Throws <ArgumentNullException>(() => attribute = new OperationMethodImplementationAttribute(null, null));
Assert.Throws <ArgumentNullException>(() => attribute = new OperationMethodImplementationAttribute(IdentifiedObject.UserDefinedIdentifier, null));
Assert.Throws <ArgumentNullException>(() => attribute = new OperationMethodImplementationAttribute(IdentifiedObject.UserDefinedIdentifier, "Test Method", null));
Assert.Throws <ArgumentException>(() => attribute = new OperationMethodImplementationAttribute(IdentifiedObject.UserDefinedIdentifier, "Test Method", "1.0.0", typeof(Object)));
// test case 2: proper parameters without credential
attribute = new OperationMethodImplementationAttribute(IdentifiedObject.UserDefinedIdentifier, "Test Method");
Assert.AreEqual(IdentifiedObject.UserDefinedIdentifier, attribute.Identifier);
Assert.AreEqual("Test Method", attribute.Name);
Assert.IsNotNull(attribute.GetCredential());
Assert.IsInstanceOf <OperationCredential>(attribute.GetCredential());
// test case 3: proper parameters with credential
attribute = new OperationMethodImplementationAttribute(IdentifiedObject.UserDefinedIdentifier, "Test Method", "1.0.0", typeof(OperationCredential));
Assert.IsNotNull(attribute.GetCredential());
Assert.IsInstanceOf <OperationCredential>(attribute.GetCredential());
}
