public string GenerateInsertSQL <T>(ClassDesc desc, T obj)
{
var builder = new StringBuilder();
builder.Append("INSERT INTO " + desc.Name + " (");
var fields = desc.FieldDescs;
if (desc.AutoIncrement)
{
fields = new List <UnityORM.FieldDesc>(fields);
fields.Remove(desc.KeyField);
}
foreach (var f in fields)
{
builder.Append(f.NameInTable + ",");
}
builder.Remove(builder.Length - 1, 1);
builder.Append(") VALUES (");
foreach (var f in fields)
{
object v = f.GetForDb(obj);
builder.Append(ValueToBlock(v) + ",");
}
builder.Remove(builder.Length - 1, 1);
builder.Append(");");
return(builder.ToString());
}
public int SetTo <T>(DataTable result, int resultOffset, ClassDesc desc, T[] objects, int offset, int length)
{
int readCount = Math.Min(result.Rows.Count - resultOffset, length);
if (length < 0)
{
readCount = result.Rows.Count - resultOffset;
}
for (int i = resultOffset; i < readCount; i++)
{
var row = result.Rows[i + resultOffset];
object obj = objects[i + offset];
foreach (var f in desc.FieldDescs)
{
if (row.ContainsKey(f.NameInTable))
{
f.SetFromDb(obj, row[f.NameInTable]);
}
else if (row.ContainsKey(f.NameInTable.ToLower()))
{
f.SetFromDb(obj, row[f.NameInTable.ToLower()]);
}
}
}
return(readCount);
}
public string GenerateDeleteSQL <T>(ClassDesc desc, object key)
{
if (desc.KeyField == null)
{
throw new Exception("Class " + desc.Name + " hasn't key field");
}
return("DELETE FROM " + desc.Name + " WHERE " + desc.KeyField.NameInTable + " = " + ValueToBlock(key) + ";");
}
public static string GenerateSelectSQL <T>(ClassDesc desc, T obj)
{
if (desc.KeyField == null)
{
throw new Exception("Class " + desc.Name + " hasn't key field");
}
return("SELECT * FROM " + desc.Name + " WHERE " + desc.KeyField.NameInTable + " = " + ValueToBlock(desc.KeyField.GetForDb(obj)) + ";");
}
public int ReadTo <T>(T[] objects, int offset, int size, string sql)
{
var result = database.ExecuteQuery(sql);
ClassDesc desc = Registory.GetClassDesc <T>();
return(ResultReader.SetTo(result, 0, desc, objects, offset, size));
}
public string GenerateUpdateSQL <T>(ClassDesc desc, T obj)
{
if (desc.KeyField == null)
{
throw new Exception("Class " + desc.Name + " hasn't key field");
}
var builder = new StringBuilder();
builder.Append("UPDATE " + desc.Name + " SET ");
foreach (var f in desc.FieldDescs)
{
object v = f.GetForDb(obj);
builder.Append(f.NameInTable + "=" + ValueToBlock(v) + ",");
}
builder.Remove(builder.Length - 1, 1);
builder.Append(" WHERE " + desc.KeyField.NameInTable + " = " + ValueToBlock(desc.KeyField.GetForDb(obj)) + ";");
return(builder.ToString());
}
public string GenerateCreateTableSQL <T>(ClassDesc desc)
{
var builder = new StringBuilder();
builder.Append("CREATE TABLE IF NOT EXISTS " + desc.Name + "(");
foreach (var f in desc.FieldDescs)
{
builder.Append(f.NameInTable + " " + ConvertToSQLType(f.FieldType));
if (f == desc.KeyField)
{
builder.Append(" PRIMARY KEY");
}
if (desc.AutoIncrement)
{
builder.Append(" AUTOINCREMENT");
}
builder.Append(",");
}
builder.Remove(builder.Length - 1, 1);
builder.Append(");");
return(builder.ToString());
}
public string GenerateDeleteAllSQL <T>(ClassDesc desc)
{
return("DELETE FROM " + desc.Name + ";");
}
public string GenerateSelectAllSQL <T>(ClassDesc desc)
{
return("SELECT * FROM " + desc.Name + ";");
}
public ArrayValueConverter(ClassDesc desc)
{
this.desc = desc;
}
public ClassValueConverter(ClassDesc desc)
{
this.desc = desc;
}
public virtual ClassDesc ListUp(Type t)
{
ClassDesc classInfo; // = new ClassDesc(t);
if (t.IsArray)
{
classInfo = new ClassDesc(t.GetElementType());
if (!converters.ContainsKey(t))
{
converters.Add(t, new ArrayValueConverter(classInfo));
}
}
else
{
classInfo = new ClassDesc(t);
if (!converters.ContainsKey(t))
{
converters.Add(t, new ClassValueConverter(classInfo));
}
}
classInfo.Name = t.Name;
bool keyFieldIsSetByAttribute = false;
List <FieldDesc> infoList = new List <FieldDesc>();
var props = t.GetProperties();
foreach (var prop in props)
{
if (prop.CanRead && prop.CanWrite)
{
FieldDesc info = new FieldDesc();
info.Prop = prop;
info.ValueConverter = GetConverter(info.FieldType);
if (info.GetAttribute <IgnoreAttribute>() == null)
{
SetNames(info);
infoList.Add(info);
var keyAttribute = info.GetAttribute <KeyAttribute>();
if (keyAttribute != null)
{
classInfo.KeyField = info;
keyFieldIsSetByAttribute = true;
classInfo.AutoIncrement = keyAttribute.AutoIncrement;
}
else if (info.Name.ToLowerInvariant() == "id" && !keyFieldIsSetByAttribute)
{
classInfo.KeyField = info;
classInfo.AutoIncrement = false;
}
}
}
}
var fields = t.GetFields();
foreach (var f in fields)
{
if (f.IsPublic && !f.IsStatic && !f.IsInitOnly)
{
FieldDesc info = new FieldDesc();
info.Field = f;
info.ValueConverter = GetConverter(info.FieldType);
if (info.GetAttribute <IgnoreAttribute>() == null)
{
SetNames(info);
if (info.GetAttribute <KeyAttribute>() != null)
{
classInfo.KeyField = info;
keyFieldIsSetByAttribute = true;
}
else if (info.Name.ToLowerInvariant() == "id" && !keyFieldIsSetByAttribute)
{
classInfo.KeyField = info;
}
infoList.Add(info);
}
}
}
classInfo.FieldDescs = infoList;
return(classInfo);
}
public int SetTo <T>(DataTable result, ClassDesc desc, T[] objects)
{
return(SetTo <T>(result, 0, desc, objects, 0, objects.Length));
}
public T[] Get <T>(DataTable result, ClassDesc desc)
{
T[] objects = ReflectionSupport.CreateNewInstances <T>(result.Rows.Count);
SetTo(result, 0, desc, objects, 0, objects.Length);
return(objects);
}
