using System;

using System.Diagnostics.Contracts;

namespace ReClassNET.Nodes

{

public abstract class BaseReferenceNode : BaseNode

{

private readonly bool performCycleCheck;

/// <summary>Gets or sets the inner node.</summary>

public ClassNode InnerNode { get; protected set; }

/// <summary>Gets signaled if the inner node was changed.</summary>

public event NodeEventHandler InnerNodeChanged;

/// <summary>True to perform class cycle checks when changing the inner node.</summary>

public abstract bool PerformCycleCheck { get; }

/// <summary>Changes the inner node.</summary>

/// <param name="node">The new node.</param>

public void ChangeInnerNode(ClassNode node)

{

Contract.Requires(node != null);

if (InnerNode != node)

{

InnerNode = node;

InnerNodeChanged?.Invoke(this);

ParentNode?.ChildHasChanged(this);

}

}

}

}