/// <summary>
/// Retrieves the transient annotations for an EDM element.
/// </summary>
/// <param name="element">The annotated element.</param>
/// <param name="annotationsDictionary">The dictionary for looking up the element's annotations.</param>
/// <returns>The transient annotations for the element, in a form managed by the annotations manager.</returns>
/// <remarks>This method is static to guarantee that the annotations dictionary is not fetched more than once per lookup operation.</remarks>
private static object GetTransientAnnotations(IEdmElement element, VersioningDictionary <IEdmElement, object> annotationsDictionary)
{
object transientAnnotations;
annotationsDictionary.TryGetValue(element, out transientAnnotations);
return(transientAnnotations);
}
/// <summary>
/// Retrieves the transient annotations for an EDM element.
/// </summary>
/// <param name="element">The annotated element.</param>
/// <param name="annotationsDictionary">The dictionary for looking up the element's annotations.</param>
/// <returns>The transient annotations for the element, in a form managed by the annotations manager.</returns>
/// <remarks>This method is static to guarantee that the annotations dictionary is not fetched more than once per lookup operation.</remarks>
private static VersioningList <IEdmDirectValueAnnotation> GetTransientAnnotations(IEdmElement element, VersioningDictionary <IEdmElement, VersioningList <IEdmDirectValueAnnotation> > annotationsDictionary)
{
VersioningList <IEdmDirectValueAnnotation> transientAnnotations;
annotationsDictionary.TryGetValue(element, out transientAnnotations);
return(transientAnnotations);
}
/// <summary>
/// Gets the serialization alias for a given namespace.
/// </summary>
/// <param name="model">Model that will be serialized.</param>
/// <param name="namespaceName">Namespace the alias is needed for.</param>
/// <returns>The alias of the given namespace, or null if one does not exist.</returns>
public static string GetNamespaceAlias(this IEdmModel model, string namespaceName)
{
EdmUtil.CheckArgumentNull(model, "model");
VersioningDictionary <string, string> mappings = model.GetAnnotationValue <VersioningDictionary <string, string> >(model, EdmConstants.InternalUri, CsdlConstants.NamespaceAliasAnnotation);
string namespaceAlias;
if (mappings != null && mappings.TryGetValue(namespaceName, out namespaceAlias))
{
return(namespaceAlias);
}
return(null);
}
/// <summary>
/// Sets the serialization alias for a given namespace(including current model's schemas namespace-alias, and referenced models' schemas namespace-alias)
/// TODO: REF make sure no duplicated alias.
/// </summary>
/// <param name="model">Model that will be serialized.</param>
/// <param name="namespaceName">The namespace to set the alias for.</param>
/// <param name="alias">The alias for that namespace.</param>
public static void SetNamespaceAlias(this IEdmModel model, string namespaceName, string alias)
{
VersioningDictionary <string, string> mappings = model.GetAnnotationValue <VersioningDictionary <string, string> >(model, EdmConstants.InternalUri, CsdlConstants.NamespaceAliasAnnotation);
if (mappings == null)
{
mappings = VersioningDictionary <string, string> .Create(string.CompareOrdinal);
}
if (EdmUtil.IsNullOrWhiteSpaceInternal(alias))
{
string val;
if (mappings.TryGetValue(namespaceName, out val))
{
mappings = mappings.Remove(namespaceName);
}
}
else
{
mappings = mappings.Set(namespaceName, alias);
}
model.SetAnnotationValue(model, EdmConstants.InternalUri, CsdlConstants.NamespaceAliasAnnotation, mappings);
var list = model.GetAnnotationValue <VersioningList <string> >(model, EdmConstants.InternalUri, CsdlConstants.UsedNamespacesAnnotation);
if (list == null)
{
list = VersioningList <string> .Create();
}
if (!string.IsNullOrEmpty(namespaceName) && !list.Contains(namespaceName))
{
list = list.Add(namespaceName);
}
model.SetAnnotationValue(model, EdmConstants.InternalUri, CsdlConstants.UsedNamespacesAnnotation, list);
}
/// <summary>
/// Retrieves the transient annotations for an EDM element.
/// </summary>
/// <param name="element">The annotated element.</param>
/// <param name="annotationsDictionary">The dictionary for looking up the element's annotations.</param>
/// <returns>The transient annotations for the element, in a form managed by the annotations manager.</returns>
/// <remarks>This method is static to guarantee that the annotations dictionary is not fetched more than once per lookup operation.</remarks>
private static object GetTransientAnnotations(IEdmElement element, VersioningDictionary<IEdmElement, object> annotationsDictionary)
{
object transientAnnotations;
annotationsDictionary.TryGetValue(element, out transientAnnotations);
return transientAnnotations;
}
public void MapIntegerInsertionAndDeletion()
{
VersioningDictionary <int, int> map = VersioningDictionary <int, int> .Create(CompareIntegers);
int value;
Assert.IsTrue(map is VersioningDictionary <int, int> .EmptyVersioningDictionary, "Dictionary type");
Assert.IsFalse(map.TryGetValue(0, out value), "Zero key");
// Test conversions back and forth between EmptyDictionary, OneKeyDictionary, and TwoKeyDictionary.
map = map.Set(1, 10);
Assert.IsTrue(map is VersioningDictionary <int, int> .OneKeyDictionary, "Dictionary type");
Assert.AreEqual(map.Get(1), 10, "Key value");
Assert.IsFalse(map.TryGetValue(0, out value), "Zero key");
map = map.Set(1, 100);
Assert.IsTrue(map is VersioningDictionary <int, int> .OneKeyDictionary, "Dictionary type");
Assert.AreEqual(map.Get(1), 100, "Key value");
Assert.IsFalse(map.TryGetValue(0, out value), "Zero key");
map = map.Remove(1);
Assert.IsTrue(map is VersioningDictionary <int, int> .EmptyVersioningDictionary, "Dictionary type");
map = map.Set(1, 10);
map = map.Set(2, 20);
Assert.IsTrue(map is VersioningDictionary <int, int> .TwoKeyDictionary, "Dictionary type");
Assert.AreEqual(map.Get(1), 10, "Key value");
Assert.AreEqual(map.Get(2), 20, "Key value");
Assert.IsFalse(map.TryGetValue(0, out value), "Zero key");
map = map.Set(1, 100);
Assert.IsTrue(map is VersioningDictionary <int, int> .TwoKeyDictionary, "Dictionary type");
Assert.AreEqual(map.Get(1), 100, "Key value");
Assert.AreEqual(map.Get(2), 20, "Key value");
map = map.Set(2, 200);
Assert.IsTrue(map is VersioningDictionary <int, int> .TwoKeyDictionary, "Dictionary type");
Assert.AreEqual(map.Get(1), 100, "Key value");
Assert.AreEqual(map.Get(2), 200, "Key value");
VersioningDictionary <int, int> oneMap = map.Remove(1);
Assert.IsTrue(oneMap is VersioningDictionary <int, int> .OneKeyDictionary, "Dictionary type");
Assert.AreEqual(oneMap.Get(2), 200, "Key value");
Assert.IsTrue(map is VersioningDictionary <int, int> .TwoKeyDictionary, "Dictionary type");
Assert.AreEqual(map.Get(1), 100, "Key value");
Assert.AreEqual(map.Get(2), 200, "Key value");
Assert.IsFalse(map.TryGetValue(0, out value), "Zero key");
oneMap = map.Remove(2);
Assert.IsTrue(oneMap is VersioningDictionary <int, int> .OneKeyDictionary, "Dictionary type");
Assert.AreEqual(oneMap.Get(1), 100, "Key value");
Assert.IsTrue(map is VersioningDictionary <int, int> .TwoKeyDictionary, "Dictionary type");
Assert.AreEqual(map.Get(1), 100, "Key value");
Assert.AreEqual(map.Get(2), 200, "Key value");
// Test conversion to a TreeDictionary.
map = map.Set(3, 30);
Assert.IsTrue(map is VersioningDictionary <int, int> .TreeDictionary, "Dictionary type");
Assert.AreEqual(map.Get(1), 100, "Key value");
Assert.AreEqual(map.Get(2), 200, "Key value");
Assert.AreEqual(map.Get(3), 30, "Key value");
Assert.IsFalse(map.TryGetValue(0, out value), "Zero key");
map = map.Set(3, 300);
Assert.IsTrue(map is VersioningDictionary <int, int> .TreeDictionary, "Dictionary type");
Assert.AreEqual(map.Get(1), 100, "Key value");
Assert.AreEqual(map.Get(2), 200, "Key value");
Assert.AreEqual(map.Get(3), 300, "Key value");
// Test that a significant number of keys does not force conversion to a HashKeyDictionary.
for (int i = 1; i <= 100; i++)
{
map = map.Set(i, i * 10);
}
Assert.IsTrue(map is VersioningDictionary <int, int> .TreeDictionary, "Dictionary type");
for (int i = 1; i <= 100; i++)
{
Assert.AreEqual(i * 10, map.Get(i), "Key value");
}
Assert.IsFalse(map.TryGetValue(0, out value), "Zero key");
// Test removing half the keys.
for (int i = 1; i < 100; i += 2)
{
map = map.Remove(i);
}
Assert.IsTrue(map is VersioningDictionary <int, int> .TreeDictionary, "Dictionary type");
for (int i = 1; i < 100; i += 2)
{
Assert.IsFalse(map.TryGetValue(i, out value), "Odd key");
Assert.AreEqual((i + 1) * 10, map.Get(i + 1), "Even key value");
}
// Test conversion to a HashTreeDictionary.
for (int i = 1; i <= 10000; i++)
{
map = map.Set(i, i * 2);
}
Assert.IsTrue(map is VersioningDictionary <int, int> .HashTreeDictionary, "Dictionary type");
for (int i = 1; i <= 10000; i++)
{
Assert.AreEqual(i * 2, map.Get(i), "Key value");
}
Assert.IsFalse(map.TryGetValue(0, out value), "Zero key");
// Test removing half the keys.
for (int i = 1; i < 10000; i += 2)
{
map = map.Remove(i);
}
Assert.IsTrue(map is VersioningDictionary <int, int> .HashTreeDictionary, "Dictionary type");
for (int i = 1; i < 10000; i += 2)
{
Assert.IsFalse(map.TryGetValue(i, out value), "Odd key");
Assert.AreEqual((i + 1) * 2, map.Get(i + 1), "Even key value");
}
}