/// <summary>
/// Assign a key/value property to the edge.
/// If a value already exists for this key, then the previous key/value is overwritten.
/// </summary>
/// <param name="key">the string key of the property</param>
/// <param name="value">the object value o the property</param>
public override void SetProperty(string key, object value)
{
if (key == null || key.Length == 0)
{
throw new ArgumentException("Property key may not be null or be an empty string");
}
if (value == null)
{
throw new ArgumentException("Property value may not be null");
}
if (key.Equals(StringFactory.Id))
{
throw ExceptionFactory.PropertyKeyIdIsReserved();
}
PropertyType pt = edgeType.FindProperty(key);
if (pt == null)
{
pt = edgeType.NewProperty(key, value, PropertyKind.Indexed);
}
edgeType.SetPropertyValue(EdgeId, pt, (IComparable)value);
}
/// <summary>
/// Creates a new Property.
/// </summary>
/// <param name="type">Node or edge type identifier.</param>
/// <param name="name">Unique name for the new Property.</param>
/// <param name="dt">Data type for the new Property.</param>
/// <param name="kind">Property kind.</param>
/// <returns>Unique Property identifier.</returns>
public PropertyType NewEdgeProperty(EdgeType edgeType, string name, DataType dt, PropertyKind kind)
{
return(edgeType.NewProperty(name, dt, kind));
}