/// <summary>
/// Initializes a new instance of the <see cref="ReadOnlyBrowsingOptionalNodeIndex"/> class.
/// </summary>
/// <param name="parentNode">Node containing the indexed optional node.</param>
/// <param name="propertyName">Property in <paramref name="parentNode"/> corresponding to the indexed optional node.</param>
public ReadOnlyBrowsingOptionalNodeIndex(INode parentNode, string propertyName)
{
Debug.Assert(parentNode != null);
Debug.Assert(!string.IsNullOrEmpty(propertyName));
Debug.Assert(NodeTreeHelperOptional.IsOptionalChildNodeProperty(parentNode, propertyName, out Type ChildNodeType));
Optional = NodeTreeHelperOptional.GetOptionalReference(parentNode, propertyName);
Debug.Assert(Optional != null);
PropertyName = propertyName;
}
/// <summary>
/// Initializes a new instance of the <see cref="WriteableInsertionOptionalClearIndex"/> class.
/// </summary>
/// <param name="parentNode">Node containing the indexed optional node.</param>
/// <param name="propertyName">Property in <paramref name="parentNode"/> corresponding to the indexed optional node.</param>
public WriteableInsertionOptionalClearIndex(INode parentNode, string propertyName)
{
Debug.Assert(parentNode != null);
Debug.Assert(!string.IsNullOrEmpty(propertyName));
ParentNode = parentNode;
PropertyName = propertyName;
Optional = NodeTreeHelperOptional.GetOptionalReference(parentNode, propertyName);
Debug.Assert(Optional != null);
}
/// <summary>
/// Initializes a new instance of the <see cref="WriteableInsertionOptionalClearIndex"/> class.
/// </summary>
/// <param name="parentNode">Node containing the indexed optional node.</param>
/// <param name="propertyName">Property in <paramref name="parentNode"/> corresponding to the indexed optional node.</param>
public WriteableInsertionOptionalClearIndex(Node parentNode, string propertyName)
{
Contract.RequireNotNull(parentNode, out Node ParentNode);
Contract.RequireNotNull(propertyName, out string PropertyName);
Debug.Assert(PropertyName.Length > 0);
this.ParentNode = ParentNode;
this.PropertyName = PropertyName;
Optional = NodeTreeHelperOptional.GetOptionalReference(ParentNode, PropertyName);
Debug.Assert(Optional != null);
}
/// <summary>
/// Initializes a new instance of the <see cref="ReadOnlyBrowsingOptionalNodeIndex"/> class.
/// </summary>
/// <param name="parentNode">Node containing the indexed optional node.</param>
/// <param name="propertyName">Property in <paramref name="parentNode"/> corresponding to the indexed optional node.</param>
public ReadOnlyBrowsingOptionalNodeIndex(Node parentNode, string propertyName)
{
Contract.RequireNotNull(parentNode, out Node ParentNode);
Contract.RequireNotNull(propertyName, out string PropertyName);
Debug.Assert(PropertyName.Length > 0);
Debug.Assert(NodeTreeHelperOptional.IsOptionalChildNodeProperty(ParentNode, PropertyName, out _));
Optional = NodeTreeHelperOptional.GetOptionalReference(ParentNode, PropertyName);
Debug.Assert(Optional != null);
this.PropertyName = PropertyName;
}
