public static void Configure(String fileName)
{
try
{
XmlSerializer s = new XmlSerializer(typeof(XMLContextRoot));
FileStream fs = File.Open(fileName, FileMode.Open);
IContextRoot r = (IContextRoot)s.Deserialize(fs);
fs.Close();
IConfigurationElementVisitor v = new XMLParentInitializationVisitor();
r.Accept(v);
v = new ConfigurationCheckVisitor();
r.Accept(v);
foreach (IContext context in r.Contexts)
{
ContextManager.Instance.RegisterContext(context);
}
}
catch (Exception ex)
{
throw new ContextCorruptedException("Context couldn't be configured. (" + ex.Message + ")");
}
}
/// <summary>
/// This outlines the signature to perform a write based on contextual criteria.
/// </summary>
/// <param name="oldValue">The old value.</param>
/// <param name="newValue">The new value.</param>
/// <param name="contextData">The contextual data from which to make a decision as to which value to return.</param>
/// <returns>The result of the contextual decision. Should be either <paramref name="oldValue"/> or <paramref name="newValue"/>.</returns>
public object DoWrite(object oldValue, object newValue, IContextRoot contextData)
{
if (newValue == null)
{
return(oldValue);
}
return(newValue);
}
/// <summary>
/// This outlines the signature to perform a write based on contextual criteria.
/// </summary>
/// <param name="oldValue">The old value.</param>
/// <param name="newValue">The new value.</param>
/// <param name="contextData">The contextual data from which to make a decision as to which value to return.</param>
/// <returns>
/// The result of the contextual decision. Should be either <paramref name="oldValue" /> or <paramref name="newValue" />.
/// </returns>
public object DoWrite(object oldValue, object newValue, IContextRoot contextData)
{
var oldCollection = (List <T>)oldValue;
var newCollection = (List <T>)newValue;
oldCollection.AddRange(newCollection);
oldCollection.Sort(_comparer);
return(oldCollection);
}
/// <summary>
/// This outlines the signature to perform a write based on contextual criteria.
/// </summary>
/// <param name="oldValue">The old value.</param>
/// <param name="newValue">The new value.</param>
/// <param name="contextData">The contextual data from which to make a decision as to which value to return.</param>
/// <returns>
/// The result of the contextual decision. Should be either <paramref name="oldValue" /> or <paramref name="newValue" />.
/// </returns>
/// <exception cref="System.NotImplementedException"></exception>
public object DoWrite(object oldValue, object newValue, IContextRoot contextData)
{
if (contextData == null)
{
throw new ArgumentNullException(nameof(contextData));
}
var oldRoot = (SequencedComplexItem)contextData.OldValue;
if (oldRoot.SequenceID == 1)
{
return(oldValue);
}
return(newValue);
}
public void Visit(IContextRoot contextRoot)
{
}
public void Visit(IContextRoot contextRoot)
{
}