private static ConditionMappingItemCollection GetMappingItemsBySubClass(RelativeAttributes attrs, MemberInfo sourceMI)
{
ConditionMappingItemCollection items = new ConditionMappingItemCollection();
System.Type subType = attrs.SubClassType != null ? attrs.SubClassType.Type : GetRealType(sourceMI);
MemberInfo[] mis = GetTypeMembers(subType);
foreach (SubConditionMappingAttribute attr in attrs.SubClassFieldMappings)
{
MemberInfo mi = GetMemberInfoByName(attr.SubPropertyName, mis);
if (mi != null)
{
ConditionMappingItem item = new ConditionMappingItem();
item.PropertyName = sourceMI.Name;
item.SubClassPropertyName = attr.SubPropertyName;
item.MemberInfo = mi;
if (attrs.SubClassType != null)
{
item.SubClassTypeDescription = attrs.SubClassType.TypeDescription;
}
FillMappingItemByAttr(item, attr);
items.Add(item);
}
}
return(items);
}
private static object GetValueFromObjectDirectly(ConditionMappingItem item, object graph)
{
object data = GetMemberValueFromObject(item.MemberInfo, graph);
if (data != null)
{
System.Type dataType = data.GetType();
if (dataType.IsEnum)
{
if (item.EnumUsage == EnumUsageTypes.UseEnumValue)
{
data = (int)data;
}
else
{
data = data.ToString();
}
}
else
{
if (dataType == typeof(TimeSpan))
{
data = ((TimeSpan)data).TotalSeconds;
}
}
}
return(data);
}
private static object AdjustValueBeforeAppendToBuilder(ConditionMappingItem item, object data)
{
object result = data;
if (data is string)
{
if (item.EscapeLikeString)
{
result = TSqlBuilder.Instance.EscapeLikeString(data.ToString());
}
if (item.Prefix.IsNotEmpty())
{
result = item.Prefix + result;
}
if (item.Postfix.IsNotEmpty())
{
result = result + item.Postfix;
}
}
else
{
if (data is DateTime && (DateTime)data != DateTime.MinValue && (DateTime)data != DateTime.MaxValue)
{
if (item.AdjustDays != 0)
{
result = ((DateTime)data).AddDays(item.AdjustDays);
}
}
}
return(result);
}
private static object GetValueFromObject(ConditionMappingItem item, object graph)
{
object data = null;
if (string.IsNullOrEmpty(item.SubClassPropertyName))
{
data = GetValueFromObjectDirectly(item, graph);
}
else
{
if (graph != null)
{
MemberInfo mi = graph.GetType().GetProperty(item.PropertyName,
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
if (mi == null)
{
mi = graph.GetType().GetField(item.PropertyName,
BindingFlags.Instance | BindingFlags.Public);
}
if (mi != null)
{
object subGraph = GetMemberValueFromObject(mi, graph);
if (subGraph != null)
{
data = GetValueFromObjectDirectly(item, subGraph);
}
}
}
}
return(data);
}
private static void FillMappingItemByAttr(ConditionMappingItem item, ConditionMappingAttribute fm)
{
item.DataFieldName = fm.DataFieldName;
item.Operation = fm.Operation;
item.IsExpression = fm.IsExpression;
item.EnumUsage = fm.EnumUsage;
item.Prefix = fm.Prefix;
item.Postfix = fm.Postfix;
item.AdjustDays = fm.AdjustDays;
item.Template = fm.Template;
item.EscapeLikeString = fm.EscapeLikeString;
}
private static ConditionMappingItem FindItemBySubClassPropertyName(string subPropertyName, ConditionMappingItemCollection items)
{
ConditionMappingItem result = null;
foreach (ConditionMappingItem item in items)
{
if (item.SubClassPropertyName == subPropertyName)
{
result = item;
break;
}
}
return(result);
}
private static ConditionMappingItemBase CreateConditionMappingItemByAttr(ConditionMappingAttributeBase attr)
{
ConditionMappingItemBase result = null;
if (attr is InConditionMappingAttribute)
{
result = new InConditionMappingItem();
}
else
{
result = new ConditionMappingItem();
}
return(result);
}
private static ConditionMappingItemCollection GetMappingItems(RelativeAttributes attrs, MemberInfo mi)
{
ConditionMappingItemCollection items = new ConditionMappingItemCollection();
ConditionMappingItem item = new ConditionMappingItem();
item.PropertyName = mi.Name;
item.DataFieldName = mi.Name;
if (attrs.FieldMapping != null)
{
FillMappingItemByAttr(item, attrs.FieldMapping);
}
item.MemberInfo = mi;
items.Add(item);
return(items);
}
private static bool IsTypeDefaultValue(ConditionMappingItem item, object data)
{
bool result = false;
if (data != null)
{
Type type = GetMemberInfoType(item.MemberInfo);
if (type == typeof(object))
{
type = data.GetType();
}
if (type.IsEnum)
{
result = false;
}
else
{
if (type == typeof(string))
{
result = string.IsNullOrEmpty((string)data);
}
else
{
result = data.Equals(TypeCreator.GetTypeDefaultValue(type));
}
}
}
else
{
result = true;
}
return(result);
}
private static void FillMappingItemByAttr(ConditionMappingItem item, ConditionMappingAttribute fm)
{
item.DataFieldName = fm.DataFieldName;
item.Operation = fm.Operation;
item.IsExpression = fm.IsExpression;
item.EnumUsage = fm.EnumUsage;
item.Prefix = fm.Prefix;
item.Postfix = fm.Postfix;
item.AdjustDays = fm.AdjustDays;
item.Template = fm.Template;
item.EscapeLikeString = fm.EscapeLikeString;
}
private static ConditionMappingItemCollection GetMappingItemsBySubClass(RelativeAttributes attrs, MemberInfo sourceMI)
{
ConditionMappingItemCollection items = new ConditionMappingItemCollection();
System.Type subType = attrs.SubClassType != null ? attrs.SubClassType.Type : GetRealType(sourceMI);
MemberInfo[] mis = GetTypeMembers(subType);
foreach (SubConditionMappingAttribute attr in attrs.SubClassFieldMappings)
{
MemberInfo mi = GetMemberInfoByName(attr.SubPropertyName, mis);
if (mi != null)
{
ConditionMappingItem item = new ConditionMappingItem();
item.PropertyName = sourceMI.Name;
item.SubClassPropertyName = attr.SubPropertyName;
item.MemberInfo = mi;
if (attrs.SubClassType != null)
item.SubClassTypeDescription = attrs.SubClassType.TypeDescription;
FillMappingItemByAttr(item, attr);
items.Add(item);
}
}
return items;
}
private static ConditionMappingItemCollection GetMappingItems(RelativeAttributes attrs, MemberInfo mi)
{
ConditionMappingItemCollection items = new ConditionMappingItemCollection();
ConditionMappingItem item = new ConditionMappingItem();
item.PropertyName = mi.Name;
item.DataFieldName = mi.Name;
if (attrs.FieldMapping != null)
FillMappingItemByAttr(item, attrs.FieldMapping);
item.MemberInfo = mi;
items.Add(item);
return items;
}
private static object GetValueFromObjectDirectly(ConditionMappingItem item, object graph)
{
object data = GetMemberValueFromObject(item.MemberInfo, graph);
if (data != null)
{
System.Type dataType = data.GetType();
if (dataType.IsEnum)
{
if (item.EnumUsage == EnumUsageTypes.UseEnumValue)
data = (int)data;
else
data = data.ToString();
}
else
{
if (dataType == typeof(TimeSpan))
data = ((TimeSpan)data).TotalSeconds;
}
}
return data;
}
private static object GetValueFromObject(ConditionMappingItem item, object graph)
{
object data = null;
if (string.IsNullOrEmpty(item.SubClassPropertyName))
data = GetValueFromObjectDirectly(item, graph);
else
{
if (graph != null)
{
MemberInfo mi = graph.GetType().GetProperty(item.PropertyName,
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
if (mi == null)
mi = graph.GetType().GetField(item.PropertyName,
BindingFlags.Instance | BindingFlags.Public);
if (mi != null)
{
object subGraph = GetMemberValueFromObject(mi, graph);
if (subGraph != null)
data = GetValueFromObjectDirectly(item, subGraph);
}
}
}
return data;
}
private static bool IsTypeDefaultValue(ConditionMappingItem item, object data)
{
bool result = false;
if (data != null)
{
Type type = GetMemberInfoType(item.MemberInfo);
if (type == typeof(object))
type = data.GetType();
if (type.IsEnum)
result = false;
else
{
if (type == typeof(string))
result = string.IsNullOrEmpty((string)data);
else
result = data.Equals(TypeCreator.GetTypeDefaultValue(type));
}
}
else
result = true;
return result;
}
private static object AdjustValueBeforeAppendToBuilder(ConditionMappingItem item, object data)
{
object result = data;
if (data is string)
{
if (item.EscapeLikeString)
result = TSqlBuilder.Instance.EscapeLikeString(data.ToString());
if (item.Prefix.IsNotEmpty())
result = item.Prefix + result;
if (item.Postfix.IsNotEmpty())
result = result + item.Postfix;
}
else
{
if (data is DateTime && (DateTime)data != DateTime.MinValue && (DateTime)data != DateTime.MaxValue)
{
if (item.AdjustDays != 0)
result = ((DateTime)data).AddDays(item.AdjustDays);
}
}
return result;
}
