/// <summary>
/// 如果某个标志位为打开，则执行Action
/// </summary>
/// <param name="smd"></param>
/// <param name="constSmd"></param>
/// <param name="action"></param>
public static void IfSwitchedOn(this SnapshotModeDefinition smd, SnapshotModeDefinition constSmd, Action action)
{
if ((smd & constSmd) != SnapshotModeDefinition.None && action != null)
{
action();
}
}
public static void SchemaToSqlClauseBuilder <T>(this SchemaObjectBase obj, SnapshotModeDefinition constSmd, T builder) where T : SqlClauseBuilderIUW
{
if (obj != null && builder != null)
{
obj.Schema.Properties.ForEach(pd =>
pd.SnapshotMode.IfSwitchedOn(constSmd, () =>
builder.AppendItem(GetFieldName(ORMapping.GetMappingInfo(obj.GetType()), pd), GetPropertyValue(obj, pd))));
builder.AppendItem("SearchContent", obj.ToFullTextString());
builder.AppendItem("SchemaType", obj.SchemaType);
builder.AppendItem("Status", (int)obj.Status);
}
}
/// <summary>
/// 更新对象的快照
/// </summary>
/// <param name="obj"></param>
/// <param name="tableName">表名</param>
/// <param name="snapshotMode"></param>
public void UpdateCurrentSnapshot(T obj, string tableName, SnapshotModeDefinition snapshotMode)
{
obj.NullCheck("obj");
string sql = new VersionSnapshotUpdateSqlBuilder(snapshotMode, tableName).ToUpdateSql(obj, ORMapping.GetMappingInfo(obj.GetType()));
using (TransactionScope scope = TransactionScopeFactory.Create())
{
DateTime dt = (DateTime)DbHelper.RunSqlReturnScalar(sql, this.GetConnectionName());
SCActionContext.Current.TimePoint.IsMinValue(() => SCActionContext.Current.TimePoint = dt);
scope.Complete();
}
}
public static void IfInFullTextIndex(this SnapshotModeDefinition smd, Action action)
{
IfSwitchedOn(smd, SnapshotModeDefinition.IsFullTextIndexed, action);
}
public static void IfInSnapshot(this SnapshotModeDefinition smd, Action action)
{
IfSwitchedOn(smd, SnapshotModeDefinition.IsInSnapshot, action);
}
public VersionSnapshotUpdateSqlBuilder(SnapshotModeDefinition modeDefinition, string tableName)
{
this._ModeDefinition = modeDefinition;
this._TableName = tableName;
}
