/// <summary>
/// Processes the specified <see cref="IDataReader"/>.
/// </summary>
/// <param name="request">The request.</param>
/// <param name="reader">The reader.</param>
/// <param name="resultObject">The result object.</param>
/// <returns></returns>
public object Process(RequestScope request, ref IDataReader reader, object resultObject)
{
object outObject = resultObject;
IResultMap resultMap = request.CurrentResultMap.ResolveSubMap(reader);
string circularKey = GetCircularKey(resultMap, reader);
// Gets the [key, result object] already build
IDictionary<string, object> buildObjects = request.GetCirularKeys(resultMap);
if (buildObjects != null && buildObjects.ContainsKey(circularKey))
{
// circular key is already known, so get the existing result object
outObject = buildObjects[circularKey];
}
else if (circularKey == null || buildObjects == null || !buildObjects.ContainsKey(circularKey))
{
// circular key is NOT known, so create a new result object.
if (outObject == null)
{
object[] parameters = null;
if (resultMap.Parameters.Count > 0)
{
parameters = new object[resultMap.Parameters.Count];
// Fill parameters array
for (int index = 0; index < resultMap.Parameters.Count; index++)
{
ResultProperty resultProperty = resultMap.Parameters[index];
parameters[index] = resultProperty.GetValue(request, ref reader, null);
}
}
outObject = resultMap.CreateInstanceOfResult(parameters);
}
// For each Property in the ResultMap, set the property in the object
for (int index = 0; index < resultMap.Properties.Count; index++)
{
ResultProperty resultProperty = resultMap.Properties[index];
resultProperty.PropertyStrategy.Set(request, resultMap, resultProperty, ref outObject, reader, null);
}
if (buildObjects == null)
{
buildObjects = new Dictionary<string, object>();
request.SetCirularKeys(resultMap, buildObjects);
}
buildObjects[circularKey] = outObject;
}
return outObject;
}
/// <summary>
/// Gets the value of the specified <see cref="ResultProperty"/> that must be set on the target object.
/// </summary>
/// <param name="request">The request.</param>
/// <param name="resultMap">The result map.</param>
/// <param name="mapping">The mapping.</param>
/// <param name="target">The target.</param>
/// <param name="reader">The reader.</param>
/// <returns></returns>
public object Get(RequestScope request, IResultMap resultMap, ResultProperty mapping, ref object target, IDataReader reader)
{
object result = null;
IResultMap propertyRresultMap = mapping.NestedResultMap.ResolveSubMap(reader);
string circularKey = GetCircularKey(propertyRresultMap, reader);
// Gets the [key, result object] already build
IDictionary<string, object> buildObjects = request.GetCirularKeys(propertyRresultMap);
if (buildObjects != null && buildObjects.ContainsKey(circularKey))
{
// circular key is already known, so get the existing result object
result = buildObjects[circularKey];
}
else if (circularKey == null || buildObjects == null || !buildObjects.ContainsKey(circularKey))
{
// circular key is NOT known, so create a new result object.
result = resultMapStrategy.Get(request, resultMap, mapping, ref target, reader);
if (buildObjects == null)
{
buildObjects = new Dictionary<string, object>();
request.SetCirularKeys(propertyRresultMap, buildObjects);
}
buildObjects[circularKey] = result;
}
return result;
}