/// <summary>
/// Initializes a new instance of the <see cref="Item"/> class with the specified Fully Qualified Name, source Item,
/// source FQN, access mode and provider.
/// </summary>
/// <param name="fqn">The Fully Qualified Name of the Item to create.</param>
/// <param name="sourceItem">The source Item.</param>
/// <param name="sourceFQN">The Fully Qualified Name of the source Item.</param>
/// <param name="accessMode">The access mode of the Item.</param>
/// <param name="provider">The Item Provider from which the Item originates.</param>
private Item(string fqn, Item sourceItem = default(Item), string sourceFQN = "", ItemAccessMode accessMode = ItemAccessMode.ReadWrite, IItemProvider provider = default(IItemProvider))
{
FQN = fqn;
SourceItem = sourceItem;
SourceFQN = SourceItem == default(Item) ? sourceFQN : SourceItem.FQN;
AccessMode = accessMode;
Provider = provider;
Value = default(object);
Timestamp = default(DateTime);
Quality = ItemQuality.Uninitialized;
Guid = Guid.NewGuid();
Lock = new ReaderWriterLockSlim();
Children = new List <Item>();
}
/// <summary>
/// Initializes a new instance of the <see cref="Item"/> class with the specified Fully Qualified name, source item,
/// access mode and provider.
/// </summary>
/// <param name="fqn">The Fully Qualified Name of the Item to create.</param>
/// <param name="sourceItem">The source Item.</param>
/// <param name="accessMode">The access mode of the Item.</param>
/// <param name="provider">The Item Provider from which the Item originates.</param>
public Item(string fqn, Item sourceItem, ItemAccessMode accessMode = ItemAccessMode.ReadWrite, IItemProvider provider = default(IItemProvider))
: this(fqn, sourceItem, string.Empty, accessMode, provider)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="Item"/> class with the specified Fully Qualified name, source FQN,
/// access mode, and provider.
/// </summary>
/// <param name="fqn">The Fully Qualified Name of the Item to create.</param>
/// <param name="sourceFQN">The Fully Qualified Name of the source Item.</param>
/// <param name="accessMode">The access mode of the Item.</param>
/// <param name="provider">The Item Provider from which the Item originates.</param>
public Item(string fqn, string sourceFQN, ItemAccessMode accessMode = ItemAccessMode.ReadWrite, IItemProvider provider = default(IItemProvider))
: this(fqn, default(Item), sourceFQN, accessMode, provider)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="Item"/> class with the specified Fully Qualified name and access mode.
/// </summary>
/// <param name="fqn">The Fully Qualified Name of the Item to create.</param>
/// <param name="accessMode">The access mode of the Item.</param>
/// <param name="provider">The Item Provider from which the Item originates.</param>
public Item(string fqn, ItemAccessMode accessMode, IItemProvider provider = default(IItemProvider))
: this(fqn, default(Item), string.Empty, accessMode, provider)
{
}
