public IBranch ImportBranch(IBranch branch, CollisionHandling collisionHandling)
{
using (Vault.ExposeReadWrite())
{
using (branch.Vault.ExposeReadWrite())
{
var existing = GetBranch(branch.Name);
if (existing == null)
{
return(AttachBranch(branch.Clone()));
}
else
{
(collisionHandling != CollisionHandling.Error).AssertTrue();
if (collisionHandling == CollisionHandling.Overwrite)
{
existing.Delete();
return(AttachBranch(branch.Clone()));
}
else if (collisionHandling == CollisionHandling.Merge)
{
// atomicity is not guaranteed. sorry
branch.GetBranches().ForEach(b => existing.ImportBranch(b, CollisionHandling.Merge));
branch.GetValues().ForEach(v => existing.ImportValue(v, true));
return(this);
}
else
{
throw new NotSupportedException(String.Format(
"Collision handling strategy '{0}' is not supported.", collisionHandling));
}
}
}
}
}
public IBranch ImportBranch(IBranch branch, CollisionHandling collisionHandling)
{
using (Vault.ExposeReadWrite())
{
using (branch.Vault.ExposeReadWrite())
{
var existing = GetBranch(branch.Name);
if (existing == null)
{
return AttachBranch(branch.Clone());
}
else
{
(collisionHandling != CollisionHandling.Error).AssertTrue();
if (collisionHandling == CollisionHandling.Overwrite)
{
existing.Delete();
return AttachBranch(branch.Clone());
}
else if (collisionHandling == CollisionHandling.Merge)
{
// atomicity is not guaranteed. sorry
branch.GetBranches().ForEach(b => existing.ImportBranch(b, CollisionHandling.Merge));
branch.GetValues().ForEach(v => existing.ImportValue(v, true));
return this;
}
else
{
throw new NotSupportedException(String.Format(
"Collision handling strategy '{0}' is not supported.", collisionHandling));
}
}
}
}
}