/// <summary>
/// Binds a key property value.
/// </summary>
/// <param name="namedValue">The named value to bind.</param>
/// <param name="collectionItemEntityType">The type of a single item in a collection to apply the key value to.</param>
/// <param name="keys">Dictionary of alias to keys.</param>
/// <param name="keyPropertyValue">The bound key property value node.</param>
/// <returns>The bound key property value node.</returns>
private bool TryBindKeyPropertyValue(NamedValue namedValue, IEdmEntityType collectionItemEntityType, IDictionary <string, IEdmProperty> keys, out KeyPropertyValue keyPropertyValue)
{
// These are exception checks because the data comes directly from the potentially user specified tree.
ExceptionUtils.CheckArgumentNotNull(namedValue, "namedValue");
ExceptionUtils.CheckArgumentNotNull(namedValue.Value, "namedValue.Value");
Debug.Assert(collectionItemEntityType != null, "collectionItemType != null");
IEdmProperty keyProperty = null;
if (namedValue.Name == null)
{
foreach (IEdmProperty p in keys.Values)
{
if (keyProperty == null)
{
keyProperty = p;
}
else
{
throw new ODataException(ODataErrorStrings.MetadataBinder_UnnamedKeyValueOnTypeWithMultipleKeyProperties(collectionItemEntityType.FullTypeName()));
}
}
}
else
{
keyProperty = keys.SingleOrDefault(k => string.CompareOrdinal(k.Key, namedValue.Name) == 0).Value;
if (keyProperty == null)
{
keyPropertyValue = null;
return(false);
}
}
IEdmTypeReference keyPropertyType = keyProperty.Type;
SingleValueNode value = (SingleValueNode)this.keyValueBindMethod(namedValue.Value);
// TODO: Check that the value is of primitive type
Debug.Assert(keyPropertyType.IsODataPrimitiveTypeKind(), "The key's type must be primitive.");
value = MetadataBindingUtils.ConvertToTypeIfNeeded(value, keyPropertyType);
Debug.Assert(keyProperty != null, "keyProperty != null");
keyPropertyValue = new KeyPropertyValue()
{
KeyProperty = keyProperty,
KeyValue = value
};
return(true);
}
/// <summary>
/// Binds key values to a key lookup on a collection.
/// </summary>
/// <param name="collectionNode">Already bound collection node.</param>
/// <param name="namedValues">The named value tokens to bind.</param>
/// <returns>The bound key lookup.</returns>
internal QueryNode BindKeyValues(EntityCollectionNode collectionNode, IEnumerable <NamedValue> namedValues)
{
Debug.Assert(namedValues != null, "namedValues != null");
Debug.Assert(collectionNode != null, "CollectionNode != null");
IEdmEntityTypeReference collectionItemType = collectionNode.EntityItemType;
List <KeyPropertyValue> keyPropertyValues = new List <KeyPropertyValue>();
IEdmEntityType collectionItemEntityType = collectionItemType.EntityDefinition();
HashSet <string> keyPropertyNames = new HashSet <string>(StringComparer.Ordinal);
foreach (NamedValue namedValue in namedValues)
{
KeyPropertyValue keyPropertyValue = this.BindKeyPropertyValue(namedValue, collectionItemEntityType);
Debug.Assert(keyPropertyValue != null, "keyPropertyValue != null");
Debug.Assert(keyPropertyValue.KeyProperty != null, "keyPropertyValue.KeyProperty != null");
if (!keyPropertyNames.Add(keyPropertyValue.KeyProperty.Name))
{
throw new ODataException(ODataErrorStrings.MetadataBinder_DuplicitKeyPropertyInKeyValues(keyPropertyValue.KeyProperty.Name));
}
keyPropertyValues.Add(keyPropertyValue);
}
if (keyPropertyValues.Count == 0)
{
// No key values specified, for example '/Customers()', do not include the key lookup at all
return(collectionNode);
}
else if (keyPropertyValues.Count != collectionItemEntityType.Key().Count())
{
throw new ODataException(ODataErrorStrings.MetadataBinder_NotAllKeyPropertiesSpecifiedInKeyValues(collectionNode.ItemType.ODataFullName()));
}
else
{
return(new KeyLookupNode(collectionNode, new ReadOnlyCollection <KeyPropertyValue>(keyPropertyValues)));
}
}
/// <summary>
/// Binds a key property value.
/// </summary>
/// <param name="namedValue">The named value to bind.</param>
/// <param name="collectionItemEntityType">The type of a single item in a collection to apply the key value to.</param>
/// <param name="keys">Dictionary of alias to keys.</param>
/// <param name="keyPropertyValue">The bound key property value node.</param>
/// <returns>The bound key property value node.</returns>
private bool TryBindKeyPropertyValue(NamedValue namedValue, IEdmEntityType collectionItemEntityType, IDictionary<string, IEdmProperty> keys, out KeyPropertyValue keyPropertyValue)
{
// These are exception checks because the data comes directly from the potentially user specified tree.
ExceptionUtils.CheckArgumentNotNull(namedValue, "namedValue");
ExceptionUtils.CheckArgumentNotNull(namedValue.Value, "namedValue.Value");
Debug.Assert(collectionItemEntityType != null, "collectionItemType != null");
IEdmProperty keyProperty = null;
if (namedValue.Name == null)
{
foreach (IEdmProperty p in keys.Values)
{
if (keyProperty == null)
{
keyProperty = p;
}
else
{
throw new ODataException(ODataErrorStrings.MetadataBinder_UnnamedKeyValueOnTypeWithMultipleKeyProperties(collectionItemEntityType.FullTypeName()));
}
}
}
else
{
keyProperty = keys.SingleOrDefault(k => string.CompareOrdinal(k.Key, namedValue.Name) == 0).Value;
if (keyProperty == null)
{
keyPropertyValue = null;
return false;
}
}
IEdmTypeReference keyPropertyType = keyProperty.Type;
SingleValueNode value = (SingleValueNode)this.keyValueBindMethod(namedValue.Value);
// TODO: Check that the value is of primitive type
Debug.Assert(keyPropertyType.IsODataPrimitiveTypeKind(), "The key's type must be primitive.");
value = MetadataBindingUtils.ConvertToTypeIfNeeded(value, keyPropertyType);
Debug.Assert(keyProperty != null, "keyProperty != null");
keyPropertyValue = new KeyPropertyValue()
{
KeyProperty = keyProperty,
KeyValue = value
};
return true;
}
public static string ToDebugString(this KeyPropertyValue keyPropertyValue)
{
return(keyPropertyValue.KeyProperty.Name + "=" + keyPropertyValue.KeyValue.ToDebugString());
}
