/// <summary>
/// Sets the Group Context for the Binder
/// </summary>
/// <param name="accessContents">Whether you want to access the Group Contents or the Groups themselves</param>
public override void SetGroupContext(bool accessContents)
{
if (accessContents)
{
if (this._context.InputMultiset is GroupMultiset)
{
this._groupSet = (GroupMultiset)this._context.InputMultiset;
this._context.InputMultiset = this._groupSet.Contents;
}
else
{
throw new RdfQueryException("Cannot set Group Context to access Contents data when the Input is not a Group Multiset");
}
}
else
{
if (this._groupSet != null)
{
this._context.InputMultiset = this._groupSet;
this._groupSet = null;
}
else
{
throw new RdfQueryException("Cannot set Group Context to acess Group data when there is no Group data available");
}
}
}
/// <summary>
/// Sets the Group Context for the Binder
/// </summary>
/// <param name="accessContents">Whether you want to access the Group Contents or the Groups themselves</param>
public override void SetGroupContext(bool accessContents)
{
if (accessContents)
{
if (this._context.InputMultiset is GroupMultiset)
{
this._groupSet = (GroupMultiset)this._context.InputMultiset;
this._context.InputMultiset = this._groupSet.Contents;
}
else
{
throw new RdfQueryException("Cannot set Group Context to access Contents data when the Input is not a Group Multiset, you may be trying to use a nested aggregate which is illegal");
}
}
else
{
if (this._groupSet != null)
{
this._context.InputMultiset = this._groupSet;
this._groupSet = null;
}
else
{
throw new RdfQueryException("Cannot set Group Context to acess Group data when there is no Group data available");
}
}
}
/// <summary>
/// Returns the Group with the given ID
/// </summary>
/// <param name="groupID">Group ID</param>
/// <returns></returns>
public override BindingGroup Group(int groupID)
{
if (this._context.InputMultiset is GroupMultiset)
{
GroupMultiset groupSet = (GroupMultiset)this._context.InputMultiset;
return(groupSet.Group(groupID));
}
else
{
throw new RdfQueryException("Cannot retrieve a Group when the Input Multiset is not a Group Multiset");
}
}
