internal virtual String Delete(ISerializableObject iso)
{
AttributeWorker w = AttributeWorker.GetInstance(Target);
StringBuilder sql = new StringBuilder();
sql.Append("DELETE FROM ").Append(w.GetTableMapping(iso.GetType(), _praefix));
sql.Append(" WHERE ");
FieldInfo[] fis = AttributeWorker.RetrieveAllFields(iso.GetType());
bool start = true;
foreach (FieldInfo fi in fis)
{
if (w.IsID(fi))
{
String col = w.GetColumnMapping(fi);
Object val = fi.GetValue(iso);
if (val == null)
{
throw new SerializerException("Not deletable ...");
}
if (!start)
{
sql.Append(" AND ");
}
start = false;
sql.Append(col).Append("=").Append(SqlUtil.SqlConvert(val));
}
}
return(sql.ToString());
}
internal virtual String SerializeInsert(ISerializableObject iso, string table)
{
AttributeWorker w = AttributeWorker.GetInstance(Target);
StringBuilder sql = new StringBuilder();
StringBuilder values = new StringBuilder();
sql.Append("INSERT INTO ").Append(table);
sql.Append(" (");
FieldInfo[] fis = AttributeWorker.RetrieveAllFields(iso.GetType());
bool start = true;
foreach (FieldInfo fi in fis)
{
if (w.IsAutoincID(fi))
{
continue;
}
try
{
String col = w.GetColumnMapping(fi);
Object val = fi.GetValue(iso);
if (val == null && (w.IsID(fi) && !w.IsAutoincID(fi)))
{
throw new SerializerException("PRIMARY KEY FIELD NOT SET!!!!!!!!");
}
if (!start)
{
sql.Append(", ");
values.Append(", ");
}
else
{
start = false;
}
sql.Append(col);
values.Append(SqlUtil.SqlConvert(val));
}
catch (SerializerException) { }
}
sql.Append(") VALUES (");
sql.Append(values);
sql.Append(")");
return(sql.ToString());
}
internal static String ComputeHashCode(String target, ISerializableObject iso)
{
AttributeWorker w = AttributeWorker.GetInstance(target);
FieldInfo[] fis = AttributeWorker.RetrieveAllFields(iso.GetType());
StringBuilder b = new StringBuilder();
foreach (FieldInfo fi in fis)
{
if (w.IsPersistentField(fi) && !w.IsID(fi))
{
Object val = fi.GetValue(iso);
b.Append(val);
}
}
System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
Byte[] tmp = encoding.GetBytes(b.ToString());
return(BitConverter.ToString(new MD5CryptoServiceProvider().ComputeHash(tmp)).Replace("-", "").ToLower());
}
internal virtual String SerializeUpdate(ISerializableObject iso, ref UpdateStates state, GenericWeakReference <ISerializableObject> tmp)
{
AttributeWorker w = AttributeWorker.GetInstance(Target);
StringBuilder sql = new StringBuilder();
StringBuilder where = new StringBuilder();
Guid g = AttributeWorker.RowGuid(iso);
FieldInfo f = AttributeWorker.RowGuid(iso.GetType());
sql.Append("UPDATE ").Append(w.GetTableMapping(iso.GetType(), _praefix));
sql.Append(" SET ");
where.Append(" WHERE ").Append(AttributeWorker.GetInstance(Target).GetColumnMapping(f));
where.Append("='").Append(g).Append("'");;
FieldInfo[] fis = AttributeWorker.RetrieveAllFields(iso.GetType());
bool start = true;
foreach (FieldInfo fi in fis)
{
try
{
String col = w.GetColumnMapping(fi);
Object val = fi.GetValue(iso);
Object oldVal;
if (w.IsAutoincID(fi))
{
continue;
}
if (AttributeWorker.IsRowGuid(fi))
{
continue;
}
if (w.IsID(fi))
{
oldVal = tmp.Properties[fi.Name];
if (!Object.Equals(val, oldVal))
{
state = UpdateStates.PRIMARYKEY_MODIFIED;
}
tmp.Properties[fi.Name] = val;
}
if (!start)
{
sql.Append(", ");
}
else
{
start = false;
}
sql.Append(col).Append("=").Append(SqlUtil.SqlConvert(val));
}
catch (SerializerException) { }
}
sql.Append(where);
return(sql.ToString());
}
