public SoodaWhereClause Append(SoodaWhereClause other)
{
if (other.WhereExpression == null)
{
return(this);
}
if (this.WhereExpression == null)
{
return(other);
}
object[] newParams = this.Parameters;
if (this.Parameters == null)
{
newParams = other.Parameters;
}
else if (other.Parameters != null)
{
throw new SoodaException("You cannot merge two where clauses when they both have parameters");
}
return(new SoodaWhereClause(new SoqlBooleanAndExpression(
this.WhereExpression, other.WhereExpression), newParams));
}
public EvaluateContext(SoodaWhereClause whereClause, SoodaObject rootObject)
{
_whereClause = whereClause;
_rootObject = rootObject;
}
public abstract IDataReader LoadObjectList(SchemaInfo schemaInfo, ClassInfo classInfo, SoodaWhereClause whereClause, SoodaOrderBy orderBy, int startIdx, int pageCount, SoodaSnapshotOptions options, out TableInfo[] tables);
public void MarkForDelete(bool delete, bool recurse, bool savingChanges)
{
if (DeleteMarker != delete)
{
BeforeObjectDelete();
DeleteMarker = delete;
if (recurse)
{
if (logger.IsTraceEnabled)
{
logger.Trace("Marking outer references of {0} for delete...", GetObjectKeyString());
}
for (ClassInfo ci = this.GetClassInfo(); ci != null; ci = ci.InheritsFromClass)
{
foreach (Sooda.Schema.FieldInfo fi in ci.OuterReferences)
{
logger.Trace("{0} Delete action: {1}", fi, fi.DeleteAction);
if (fi.DeleteAction == DeleteAction.Nothing)
continue;
ISoodaObjectFactory factory = GetTransaction().GetFactory(fi.ParentClass);
SoqlBooleanExpression whereExpression = Soql.FieldEquals(fi.Name, this);
SoodaWhereClause whereClause = new SoodaWhereClause(whereExpression);
// logger.Debug("loading list where: {0}", whereExpression);
IList referencingList = factory.GetList(GetTransaction(), whereClause, SoodaOrderBy.Unsorted, SoodaSnapshotOptions.KeysOnly);
switch (fi.DeleteAction)
{
case DeleteAction.Cascade:
foreach (SoodaObject o in referencingList)
{
o.MarkForDelete(delete, recurse, savingChanges);
}
break;
case DeleteAction.Nullify:
PropertyInfo pi = factory.TheType.GetProperty(fi.Name);
foreach (SoodaObject o in referencingList)
{
pi.SetValue(o, null, null);
}
break;
default:
throw new NotImplementedException(fi.DeleteAction.ToString());
}
}
}
}
GetTransaction().DeletedObjects.Add(this);
}
}
public abstract IDataReader LoadMatchingPrimaryKeys(SchemaInfo schemaInfo, ClassInfo classInfo, SoodaWhereClause whereClause, SoodaOrderBy orderBy, int startIdx, int pageCount);
public static SoodaObject GetRefHelper(SoodaTransaction tran, ISoodaObjectFactory factory, object keyValue)
{
SoodaObject retVal = factory.TryGet(tran, keyValue);
if (retVal != null)
return retVal;
ClassInfo classInfo = factory.GetClassInfo();
if (classInfo.InheritsFromClass != null && tran.ExistsObjectWithKey(classInfo.GetRootClass().Name, keyValue))
throw new SoodaObjectNotFoundException();
if (classInfo.GetSubclassesForSchema(tran.Schema).Count > 0)
{
ISoodaObjectFactory newFactory = null;
if (!classInfo.DisableTypeCache)
{
newFactory = SoodaTransaction.SoodaObjectFactoryCache.FindObjectFactory(classInfo.Name, keyValue);
}
if (newFactory != null)
{
factory = newFactory;
}
else
{
// if the class is actually inherited, we delegate the responsibility
// to the appropriate GetRefFromRecord which will be called by the snapshot
SoqlBooleanExpression where = null;
Sooda.Schema.FieldInfo[] pkFields = classInfo.GetPrimaryKeyFields();
object[] par = new object[pkFields.Length];
for (int i = 0; i < pkFields.Length; ++i)
{
par[i] = SoodaTuple.GetValue(keyValue, i);
SoqlBooleanExpression cmp = Soql.FieldEqualsParam(pkFields[i].Name, i);
where = where == null ? cmp : where.And(cmp);
}
SoodaWhereClause whereClause = new SoodaWhereClause(where, par);
IList list = factory.GetList(tran, whereClause, SoodaOrderBy.Unsorted, SoodaSnapshotOptions.NoTransaction | SoodaSnapshotOptions.NoWriteObjects | SoodaSnapshotOptions.NoCache);
if (list.Count == 1)
return (SoodaObject)list[0];
else if (list.Count == 0)
throw new SoodaObjectNotFoundException("No matching object.");
else
throw new SoodaObjectNotFoundException("More than one object found. Fatal error.");
}
}
retVal = factory.GetRawObject(tran);
tran.Statistics.RegisterObjectUpdate();
SoodaStatistics.Global.RegisterObjectUpdate();
if (factory.GetClassInfo().ReadOnly)
{
retVal.LoadReadOnlyObject(keyValue);
}
else
{
retVal.SetUpdateMode(keyValue);
}
return retVal;
}
public SoodaWhereClause Append(SoodaWhereClause other)
{
if (other.WhereExpression == null)
return this;
if (this.WhereExpression == null)
return other;
object[] newParams = this.Parameters;
if (this.Parameters == null)
newParams = other.Parameters;
else if (other.Parameters != null)
throw new SoodaException("You cannot merge two where clauses when they both have parameters");
return new SoodaWhereClause(new SoqlBooleanAndExpression(
this.WhereExpression, other.WhereExpression), newParams);
}
public EvaluateContext(SoodaWhereClause whereClause, SoodaObject rootObject)
{
_whereClause = whereClause;
_rootObject = rootObject;
}
public abstract IDataReader LoadObjectList(SchemaInfo schemaInfo, ClassInfo classInfo, SoodaWhereClause whereClause, SoodaOrderBy orderBy, int startIdx, int pageCount, SoodaSnapshotOptions options, out TableInfo[] tables);
public abstract IDataReader LoadMatchingPrimaryKeys(SchemaInfo schemaInfo, ClassInfo classInfo, SoodaWhereClause whereClause, SoodaOrderBy orderBy, int startIdx, int pageCount);
