public TDataObject QuerySingleOrDefault <TDataObject>([NotNull] IDBPredicate cond)
where TDataObject : IDataObject, new()
{
using (var scope = DBScope("Custom query for " + typeof(TDataObject)))
{
using (var c = scope.Connection.CreateCommand())
{
var sc = new SqlSerializationContext(c);
DataObjectInfo <TDataObject> .AppendQuerySql(sc, cond);
sc.Finish();
using (var r = c.ExecuteReader())
{
if (r.Read())
{
if (r.Read())
{
throw new InvalidOperationException("Too many objects");
}
return(DataObjectInfo <TDataObject> .Read(r));
}
return(default(TDataObject));
}
}
}
}
public void Delete <TDataObject>(int id)
where TDataObject : class, IIntKeyedDataObject, new()
{
using (var scope = DBScope("Removing " + typeof(TDataObject).Name + ". ID = " + id))
{
Removed <TDataObject>(id);
RunInTransaction(scope.Connection, (cn, transaction) =>
{
using (var cmd = cn.CreateCommand())
{
cmd.Transaction = transaction;
var sc = new SqlSerializationContext((SqlCommand)cmd);
DataObjectSqlSerializer <TDataObject> .AppendSoftDeleteSql(sc, id);
sc.Finish();
cmd.LexExecuteNonQuery();
if (DataObjectInfo <TDataObject> .IsSecured)
{
var updOp = new UpdateOperation <TblPermissions>(
new CompareCondition <int>
(
new PropertyCondition <int>(ObjectTypeHelper.GetObjectType(typeof(TDataObject)).GetSecurityAtr().Name + "Ref"),
new ValueCondition <int>(id),
COMPARE_KIND.EQUAL
),
new PropertyAssignement <int>(DataObject.Schema.SysState, new ValueCondition <int>(1)));
Update(updOp, cn, transaction);
}
}
});
}
}
public List <TDataObject> Query <TDataObject>([CanBeNull] IDBPredicate cond)
where TDataObject : IDataObject, new()
{
using (var scope = DBScope("Custom query for " + typeof(TDataObject)))
{
using (var c = scope.Connection.CreateCommand())
{
var sc = new SqlSerializationContext(c);
DataObjectInfo <TDataObject> .AppendQuerySql(sc, cond);
sc.Finish();
using (var r = c.LexExecuteReader())
{
var res = DataObjectInfo <TDataObject> .FullRead(r, 1);
if (typeof(TDataObject).GetInterface(typeof(IIntKeyedDataObject).Name) != null)
{
// TODO: Cache them
// foreach (var i in res)
// {
// CacheIt<TDataObject>(i as IIntKeyedDataObject);
// }
}
return(res);
}
}
}
}
public void Update <TDataObject>(IList <TDataObject> objs)
where TDataObject : class, IIntKeyedDataObject, new()
{
//TODO: Update cache here. not only delete cached items
if (objs.Count > 0)
{
using (var scope = DBScope("Updating multiple " + typeof(TDataObject).Name + ". Count = " + objs.Count))
{
RunInTransaction(scope.Connection, (cn, transaction) =>
{
using (var cmd = cn.CreateCommand())
{
var sc = new SqlSerializationContext((SqlCommand)cmd);
foreach (var o in objs)
{
DataObjectSqlSerializer <TDataObject> .AppendUpdateSql(sc, o);
Logger.WriteLine("ID = " + o.ID);
sc.Next();
CacheIt(o);
}
sc.Finish();
cmd.Transaction = transaction;
cmd.LexExecuteNonQuery();
}
});
}
}
}
public int Insert <TDataObject>(TDataObject obj)
where TDataObject : class, IIntKeyedDataObject, new()
{
using (var scope = DBScope("Inserting " + typeof(TDataObject).Name))
{
using (var cmd = scope.Connection.CreateCommand())
{
var sc = new SqlSerializationContext(cmd);
DataObjectSqlSerializer <TDataObject> .AppendInsertSql(sc, obj);
sc.Finish();
using (var r = cmd.LexExecuteReader())
{
r.Read();
var id = Convert.ToInt32(r.GetDecimal(0));
DataObjectSqlSerializer <TDataObject> .KeyColumn.Storage.SetValue(obj, id);
Logger.WriteLine("ID = " + id);
Added <TDataObject>();
return(id);
}
}
}
}
public void Insert <TDataObject>(IList <TDataObject> objs)
where TDataObject : class, IIntKeyedDataObject, new()
{
if (objs.Count > 0)
{
using (var scope = DBScope("Inserting multiple " + typeof(TDataObject).Name + ". Count = " + objs.Count))
{
RunInTransaction(scope.Connection, (cn, transaction) =>
{
using (var cmd = cn.CreateCommand())
{
cmd.Transaction = transaction;
var sc = new SqlSerializationContext((SqlCommand)cmd);
foreach (var o in objs)
{
if (o.ID != 0)
{
throw new DMError("DataObject has been already inserted.");
}
DataObjectSqlSerializer <TDataObject> .AppendInsertSql(sc, o);
sc.Next();
}
sc.Finish();
using (var r = cmd.LexExecuteReader())
{
int i = 0, c = objs.Count;
while (true)
{
if (!r.Read())
{
throw new DMError("Invalid Data Reader");
}
int id = Convert.ToInt32(r.GetDecimal(0));
TDataObject obj = objs[i];
DataObjectSqlSerializer <TDataObject> .KeyColumn.Storage.SetValue(obj, id);
CacheIt(obj);
Added <TDataObject>();
Logger.WriteLine("ID = " + id);
++i;
if (i < c)
{
r.NextResult();
}
else
{
break;
}
}
}
}
});
}
}
}
public void UnLink(IIntKeyedDataObject do1, IIntKeyedDataObject do2)
{
using (var scope = DBScope("UnLinking " + do1.GetType().Name + ": " + do1.ID + " and " + do2.GetType().Name + ": " + do2.ID))
{
using (var c = scope.Connection.CreateCommand())
{
var sc = new SqlSerializationContext(c);
LookupHelper.AppendMMUnLinkSql(sc, do1, do2);
sc.Finish();
c.LexExecuteNonQuery();
}
}
}
public List <int> LookupMany2ManyIds <TDataObject>([NotNull] IIntKeyedDataObject firstPart, [CanBeNull] IDBPredicate condition)
{
using (var scope = DBScope("Looking up many-2-many ids between " + firstPart.GetType().Name + " and " + typeof(TDataObject).Name))
{
using (var c = scope.Connection.CreateCommand())
{
var sc = new SqlSerializationContext(c);
LookupHelper.AppendMMLookupSql(sc, firstPart, typeof(TDataObject));
sc.Finish();
return(c.FullReadInts());
}
}
}
public void UnLink(IIntKeyedDataObject do1, IIntKeyedDataObject do2)
{
using (var scope = DBScope(Translations.DatabaseModel_UnLink_UnLinking_ + do1.GetType().Name + ": " + do1.ID + Translations.DatabaseModel_LookupMany2ManyIds__and_ + do2.GetType().Name + ": " + do2.ID))
{
using (var c = scope.Connection.CreateCommand())
{
var sc = new SqlSerializationContext(c);
LookupHelper.AppendMMUnLinkSql(sc, do1, do2);
sc.Finish();
c.LexExecuteNonQuery();
}
}
}
public List <int> LookupMany2ManyIds <TDataObject>([NotNull] IIntKeyedDataObject firstPart, [CanBeNull] IDBPredicate condition)
{
using (var scope = DBScope(Translations.DatabaseModel_LookupMany2ManyIds_Looking_up_many_2_many_ids_between_ + firstPart.GetType().Name + Translations.DatabaseModel_LookupMany2ManyIds__and_ + typeof(TDataObject).Name))
{
using (var c = scope.Connection.CreateCommand())
{
var sc = new SqlSerializationContext(c);
LookupHelper.AppendMMLookupSql(sc, firstPart, typeof(TDataObject));
sc.Finish();
return(c.FullReadInts());
}
}
}
public List <int> LookupIds <TDataObject>([NotNull] IIntKeyedDataObject owner, [CanBeNull] IDBPredicate condition)
where TDataObject : IDataObject
{
using (var scope = DBScope("Looking up ids of " + owner.GetType().Name + " for " + typeof(TDataObject).Name))
{
using (var c = scope.Connection.CreateCommand())
{
var sc = new SqlSerializationContext(c);
LookupHelper.AppendLookupSql(sc, owner, typeof(TDataObject), condition);
sc.Finish();
return(c.FullReadInts());
}
}
}
public void Update <TDataObject>([NotNull] IDBUpdateOperation <TDataObject> op, [NotNull] IDbConnection cn, [CanBeNull] IDbTransaction transaction)
where TDataObject : class, IDataObject, new()
{
using (DBScope("Executing update operation"))
{
using (var cmd = cn.CreateCommand())
{
cmd.Transaction = transaction;
var sc = new SqlSerializationContext((SqlCommand)cmd);
op.Write(sc);
sc.Finish();
cmd.LexExecuteNonQuery();
}
}
}
public void Update <TDataObject>(TDataObject obj)
where TDataObject : class, IIntKeyedDataObject, new()
{
using (var scope = DBScope("Updating " + typeof(TDataObject).Name))
{
using (var cmd = scope.Connection.CreateCommand())
{
var sc = new SqlSerializationContext(cmd);
DataObjectSqlSerializer <TDataObject> .AppendUpdateSql(sc, obj);
sc.Finish();
cmd.LexExecuteNonQuery();
}
CacheIt(obj);
}
}
public void Delete <TDataObject>(IList <int> ids)
where TDataObject : class, IIntKeyedDataObject, new()
{
if (ids.Count > 0)
{
using (var scope = DBScope("Removing multiple " + typeof(TDataObject).Name + ". Count = " + ids.Count))
{
foreach (var i in ids)
{
Logger.WriteLine("ID = " + i);
Cache.Remove(FormatCacheKey <TDataObject>(i));
}
RunInTransaction(scope.Connection, (cn, transaction) =>
{
using (var cmd = cn.CreateCommand())
{
cmd.Transaction = transaction;
var sc = new SqlSerializationContext((SqlCommand)cmd);
DataObjectSqlSerializer <TDataObject> .
AppendSoftDeleteSql(sc, ids);
sc.Finish();
cmd.LexExecuteNonQuery();
}
if (DataObjectInfo <TDataObject> .IsSecured)
{
var idCond = new ValueCondition <int>(0);
var updOp = new UpdateOperation <TblPermissions>(
new CompareCondition <int>
(
new PropertyCondition <int>(ObjectTypeHelper.GetObjectType(typeof(TDataObject)).GetSecurityAtr().Name + "Ref"),
idCond,
COMPARE_KIND.EQUAL
),
new PropertyAssignement <int>(DataObject.Schema.SysState, new ValueCondition <int>(1)));
foreach (var id in ids)
{
idCond.Value = id;
Update(updOp, cn, transaction);
}
}
});
}
}
}
