public virtual void SetConcurrencyValues(object resourceCookie, bool?checkForEquality, IEnumerable <KeyValuePair <string, object> > concurrencyValues)
{
ExceptionUtilities.CheckArgumentNotNull(resourceCookie, "resourceCookie");
ExceptionUtilities.ThrowDataServiceExceptionIfFalse(checkForEquality.HasValue, 0x1a1, "Missing concurrency token for update operation", new object[0]);
ExceptionUtilities.Assert(checkForEquality.Value, "Should not be called with check for equality parameter equal to false", new object[0]);
ExceptionUtilities.CheckArgumentNotNull(concurrencyValues, "concurrencyValues");
if (concurrencyValues.Any <KeyValuePair <string, object> >())
{
resourceCookie = UpdatableToken.AssertIsTokenAndResolve(resourceCookie, "resourceCookie");
ExceptionUtilities.ThrowDataServiceExceptionIfFalse(CompareETagValues(this.GetConcurrencyValues(resourceCookie), concurrencyValues), 0x19c, "Concurrency tokens do not match", new object[0]);
}
}
/// <summary>
/// Sets the concurrencyValues
/// </summary>
/// <param name="resourceCookie">The resource to be evaluated</param>
/// <param name="checkForEquality">Determines whether to apply the equality check or not</param>
/// <param name="concurrencyValues">The concurrency values to compare against</param>
public virtual void SetConcurrencyValues(object resourceCookie, bool?checkForEquality, IEnumerable <KeyValuePair <string, object> > concurrencyValues)
{
ExceptionUtilities.CheckArgumentNotNull(resourceCookie, "resourceCookie");
ExceptionUtilities.ThrowDataServiceExceptionIfFalse(checkForEquality.HasValue, 417, "Missing concurrency token for update operation");
ExceptionUtilities.Assert(checkForEquality.Value, "Should not be called with check for equality parameter equal to false");
ExceptionUtilities.CheckArgumentNotNull(concurrencyValues, "concurrencyValues");
// If-Match: *
if (!concurrencyValues.Any())
{
return;
}
resourceCookie = UpdatableToken.AssertIsTokenAndResolve(resourceCookie, "resourceCookie");
Dictionary <string, object> etags = this.GetConcurrencyValues(resourceCookie);
bool matches = CompareETagValues(etags, concurrencyValues);
ExceptionUtilities.ThrowDataServiceExceptionIfFalse(matches, 412, "Concurrency tokens do not match");
}
private UpdatableToken InstantiateResourceType(string fullTypeName)
{
Type t = this.ReflectionMetadataHelper.FindClrTypeByFullName(fullTypeName);
ExceptionUtilities.ThrowDataServiceExceptionIfFalse(!t.IsAbstract, 400, "Cannot create resource because type \"{0}\" is abstract", t.FullName);
var instance = Activator.CreateInstance(t);
var token = new UpdatableToken(instance);
foreach (var p in t.GetProperties().Where(p => p.CanWrite))
{
// make local variable so that lambdas below work
var property = p;
if (this.IsCollectionProperty(property))
{
Type collectionType = this.GetCollectionPropertyType(GetResourceTypeFullName(t), property.Name);
if (collectionType != null)
{
var newCollection = Activator.CreateInstance(collectionType);
token.PendingPropertyUpdates[property.Name] = newCollection;
this.pendingChanges.Add(() => property.SetValue(instance, newCollection, null));
}
}
string entitySetName = this.ReflectionMetadataHelper.FindSetNameForType(t);
object generatedValue;
if (this.TryGetStoreGeneratedValue(entitySetName, fullTypeName, property.Name, out generatedValue))
{
token.PendingPropertyUpdates[property.Name] = generatedValue;
this.pendingChanges.Add(() => property.SetValue(instance, generatedValue, null));
}
}
return(token);
}
