/// <summary>
/// Method that synchronizes the current graph with the provided graph by copying properties and entity states
/// from the entities in give graph to the current graph. All property values in the current graph will be overwritten with
/// the property values form the entities in srcGraph (i.e., this method has load behavior LoadBehavior.RefreshCurrent).
/// </summary>
/// <param name="srcGraph">The graph to synchronize from</param>
public void Synchronize(EntityGraph srcGraph)
{
if (EntityGraphEqual(srcGraph, EntityTypeComparer) == false)
{
throw new Exception("Source graph entity graph must be a copy or a clone of present entity graph.");
}
var elements = srcGraph.Zip(this, (src, tgt) => new { src = src, tgt = tgt });
foreach (var pair in elements)
{
RefreshCurrent(pair.src, pair.tgt);
}
}
/// <summary>
/// Method that synchronizes the current graph with the provided graph by copying properties and entity states
/// from the entities in give graph to the current graph. The way that property values are merged is specified by loadBehavior.
/// </summary>
/// <param name="srcGraph">The graph to synchronize from</param>
/// <param name="loadBehavior">The LoadBehavior to apply. When specifying LoadBehavior.KeepCurrent, Synchronize will have no effect.</param>
public void Synchronize(EntityGraph srcGraph, LoadBehavior loadBehavior)
{
if (loadBehavior == LoadBehavior.KeepCurrent)
{
return;
}
if (loadBehavior == LoadBehavior.RefreshCurrent)
{
Synchronize(srcGraph);
}
if (EntityGraphEqual(srcGraph, EntityTypeComparer) == false)
{
throw new Exception("Source graph entity graph must be a copy or a clone of present entity graph.");
}
var elements = srcGraph.Zip(this, (src, tgt) => new { src = src, tgt = tgt });
foreach (var pair in elements)
{
MergeIntoCurrent(pair.src, pair.tgt);
}
}
/// <summary>
/// Determines whether two entity graphs are clones of eachother by member-wise comparing all entities in both graphs.
/// </summary>
/// <param name="graph"></param>
/// <returns></returns>
public bool IsCloneOf(EntityGraph graph)
{
return(EntityGraphEqual(graph, (e1, e2) => e1 != e2 && MemberwiseCompare(e1, e2, true)));
}
/// <summary>
/// Determines whether two entity graphs are copies of eachother by member-wise comparing all entities in both graphs.
/// </summary>
/// <param name="graph"></param>
/// <returns></returns>
public bool IsCopyOf(EntityGraph graph)
{
return(EntityGraphEqual(graph, (e1, e2) => e1 != e2 && MemberwiseCompare(e1, e2, false)));
}
