示例#1
0
        public override string ToString()
        {
            BQLValueItem qvalue = value1 as BQLValueItem;

            if (!CommonMethods.IsNull(qvalue))
            {
                return(qvalue.DisplayValue(BQLValueItem.GetKeyInfo()));
            }
            else
            {
                string pName = propertyName;

                DbType dbType = DbType.AnsiString;
                if (value1 != null)
                {
                    dbType = DefaultType.ToDbType(value1.GetType());
                }
                return(DataAccessCommon.FormatScorp(this, null, pName, dbType, 0, null));
            }

            return(base.ToString());
        }
        /// <summary>
        /// 修改记录
        /// </summary>
        /// <param name="obj">修改的对象</param>
        /// <param name="scopeList">条件列表</param>
        /// <param name="setList">Set值列表</param>
        /// <param name="optimisticConcurrency">是否进行并发控制</param>
        /// <returns></returns>
        public int Update(EntityBase obj, ScopeList scopeList, ValueSetList setList, bool optimisticConcurrency)
        {
            StringBuilder sql  = new StringBuilder(500);
            ParamList     list = new ParamList();

            StringBuilder where = new StringBuilder(500);
            //where.Append("1=1");
            Type type = EntityInfo.EntityType;
            List <VersionInfo> lstVersionInfo = null;
            int index = 0;

            KeyWordInfomation keyinfo = BQLValueItem.GetKeyInfo().Clone() as KeyWordInfomation;

            keyinfo.ParamList   = list;
            keyinfo.OutPutModle = false;
            if (obj != null)
            {
                if (!(obj is IEntityProxy))
                {
                    throw new System.InvalidCastException("Update的实体类型必须为代理类,请用CH.Create<T>创建实体或者使用查询出来的实体来更新");
                }
                ///读取属性别名
                foreach (EntityPropertyInfo info in EntityInfo.PropertyInfo)
                {
                    object curValue = info.GetValue(obj);
                    if (!info.ReadOnly)
                    {
                        if (optimisticConcurrency == true && info.IsVersion) //并发控制
                        {
                            object newValue = FillUpdateConcurrency(sql, info, list, curValue, ref index);
                            FillWhereConcurrency(where, info, list, curValue, ref index);
                            if (lstVersionInfo == null)
                            {
                                lstVersionInfo = new List <VersionInfo>();
                            }
                            lstVersionInfo.Add(new VersionInfo(info, curValue, newValue));//添加信息
                        }
                        else
                        {
                            //string paramVal = CurEntityInfo.DBInfo.CurrentDbAdapter.FormatValueName(DataAccessCommon.FormatParam(info.ParamName, index));
                            //string paramKey = CurEntityInfo.DBInfo.CurrentDbAdapter.FormatParamKeyName(DataAccessCommon.FormatParam(info.ParamName, index));
                            if (info.IsNormal)
                            {
                                //if (obj._dicUpdateProperty___ == null || obj._dicUpdateProperty___.Count == 0)
                                //{
                                //    //if (DefaultType.IsDefaultValue(curValue))
                                //    //{
                                //    continue;
                                //    //}
                                //}
                                if (!obj.HasPropertyChange(info.PropertyName))
                                {
                                    continue;
                                }
                                if (setList != null)
                                {
                                    BQLValueItem bvalue = null;
                                    if (setList.TryGetValue(info.PropertyName, out bvalue))
                                    {
                                        continue;
                                    }
                                }
                                sql.Append(",");
                                sql.Append(EntityInfo.DBInfo.CurrentDbAdapter.FormatParam(info.ParamName));
                                sql.Append("=");
                                if (curValue != null)
                                {
                                    DBParameter dbPrm = list.NewParameter(info.SqlType, curValue, EntityInfo.DBInfo);
                                    sql.Append(dbPrm.ValueName);
                                }
                                else
                                {
                                    sql.Append("null");
                                }
                            }
                        }
                    }

                    if (info.IsPrimaryKey && scopeList == null)//当不强制指定条件时候,用主键做更新条件
                    {
                        //if (DefaultType.IsDefaultValue(curValue))
                        //{
                        //    continue;
                        //}
                        //if (obj._dicUpdateProperty___ != null)
                        //{
                        //    if (!obj._dicUpdateProperty___.ContainsKey(info.PropertyName))
                        //    {
                        //        continue;
                        //    }
                        //}

                        DBParameter dbPrm = list.NewParameter(info.SqlType, curValue, EntityInfo.DBInfo);
                        where.Append(" and ");
                        where.Append(EntityInfo.DBInfo.CurrentDbAdapter.FormatParam(info.ParamName));
                        where.Append("=");
                        where.Append(dbPrm.ValueName);
                        //primaryKeyValue=curValue;
                    }
                    index++;
                }
            }
            if (setList != null)
            {
                foreach (KeyValuePair <string, BQLValueItem> kvp in setList)
                {
                    EntityPropertyInfo epinfo = EntityInfo.PropertyInfo[kvp.Key];
                    if (epinfo == null)
                    {
                        throw new Exception("实体:" + EntityInfo.EntityType.FullName + "  找不到属性:" + kvp.Key);
                    }
                    sql.Append(",");
                    sql.Append(EntityInfo.DBInfo.CurrentDbAdapter.FormatParam(epinfo.ParamName));
                    sql.Append("=");
                    sql.Append(kvp.Value.DisplayValue(keyinfo));
                }
            }
            where.Append(DataAccessCommon.FillCondition(EntityInfo, list, scopeList));
            if (sql.Length <= 0)
            {
                return(0);
            }
            else
            {
                sql.Remove(0, 1);
            }
            UpdateCondition con = new UpdateCondition(EntityInfo.DBInfo);

            con.Tables.Append(EntityInfo.DBInfo.CurrentDbAdapter.FormatTableName(EntityInfo.TableName));
            con.UpdateSetValue.Append(sql);
            con.Condition.Append("1=1");

            con.Condition.Append(where);

            int ret = -1;
            Dictionary <string, bool> cacheTables = null;

            cacheTables = _oper.DBInfo.QueryCache.CreateMap(EntityInfo.TableName);

            ret = ExecuteCommand(con.GetSql(true), list, CommandType.Text, cacheTables);
            if (obj != null && obj._dicUpdateProperty___ != null)
            {
                obj._dicUpdateProperty___.Clear();
            }
            if (lstVersionInfo != null && lstVersionInfo.Count > 0)
            {
                foreach (VersionInfo info in lstVersionInfo)
                {
                    info.Info.SetValue(obj, info.NewValue);
                }
            }

            return(ret);
        }
        /// <summary>
        /// 进行插入操作
        /// </summary>
        /// <param name="obj">要插入的对象</param>
        /// <param name="fillIdentity">是否要填充刚插入的实体的ID</param>
        /// <returns></returns>
        protected internal int DoInsert(EntityBase obj, ValueSetList setList, bool fillIdentity)
        {
            StringBuilder sqlParams = new StringBuilder(1000);
            StringBuilder sqlValues = new StringBuilder(1000);
            ParamList     list      = new ParamList();
            string        param     = null;
            string        svalue    = null;

            List <EntityPropertyInfo> identityInfo = new List <EntityPropertyInfo>();

            KeyWordInfomation keyinfo = BQLValueItem.GetKeyInfo().Clone() as KeyWordInfomation;

            keyinfo.ParamList = list;

            foreach (EntityPropertyInfo info in EntityInfo.PropertyInfo)
            {
                //EntityPropertyInfo info = enums.Current.Value;
                object curValue = info.GetValue(obj);

                if (info.Identity)
                {
                    if (info.SqlType == DbType.Guid && info.FieldType == DefaultType.GUIDType)
                    {
                        curValue = Guid.NewGuid();
                        info.SetValue(obj, curValue);

                        DBParameter prm = list.NewParameter(info.SqlType, curValue, EntityInfo.DBInfo);

                        sqlParams.Append(",");
                        sqlParams.Append(EntityInfo.DBInfo.CurrentDbAdapter.FormatParam(info.ParamName));
                        sqlValues.Append(",");
                        sqlValues.Append(prm.ValueName);
                        continue;
                    }
                    else
                    {
                        if (fillIdentity)
                        {
                            identityInfo.Add(info);
                        }
                        param = EntityInfo.DBInfo.CurrentDbAdapter.GetIdentityParamName(info);
                        if (!string.IsNullOrEmpty(param))
                        {
                            sqlParams.Append(",");
                            sqlParams.Append(param);
                        }
                        svalue = EntityInfo.DBInfo.CurrentDbAdapter.GetIdentityParamValue(EntityInfo, info);
                        if (!string.IsNullOrEmpty(svalue))
                        {
                            sqlValues.Append(",");
                            sqlValues.Append(svalue);
                        }
                        continue;
                    }
                }
                else if (info.IsVersion) //版本初始值
                {
                    object conValue = curValue;
                    if (conValue == null)
                    {
                        conValue = GetDefaultConcurrency(info);
                    }
                    if (conValue != null)
                    {
                        DBParameter prm = list.NewParameter(info.SqlType, conValue, EntityInfo.DBInfo);

                        sqlParams.Append(",");
                        sqlParams.Append(EntityInfo.DBInfo.CurrentDbAdapter.FormatParam(info.ParamName));
                        sqlValues.Append(",");
                        sqlValues.Append(prm.ValueName);

                        continue;
                    }
                }
                else
                {
                    BQLValueItem bvalue = null;
                    if (setList != null && setList.TryGetValue(info.PropertyName, out bvalue))
                    {
                        sqlParams.Append(",");
                        sqlParams.Append(EntityInfo.DBInfo.CurrentDbAdapter.FormatParam(info.ParamName));
                        sqlValues.Append(",");
                        sqlValues.Append(bvalue.DisplayValue(keyinfo));
                        continue;
                    }
                    else if (curValue == null)
                    {
                        continue;
                    }
                    else
                    {
                        DBParameter prmValue = list.NewParameter(info.SqlType, curValue, EntityInfo.DBInfo);
                        sqlParams.Append(",");
                        sqlParams.Append(EntityInfo.DBInfo.CurrentDbAdapter.FormatParam(info.ParamName));
                        sqlValues.Append(",");
                        sqlValues.Append(prmValue.ValueName);
                    }
                }
            }
            if (sqlParams.Length > 0)
            {
                sqlParams.Remove(0, 1);
            }
            else
            {
                return(0);
            }
            if (sqlValues.Length > 0)
            {
                sqlValues.Remove(0, 1);
            }
            else
            {
                return(0);
            }

            InsertCondition con = new InsertCondition(EntityInfo.DBInfo);

            con.Tables.Append(EntityInfo.DBInfo.CurrentDbAdapter.FormatTableName(EntityInfo.TableName));
            con.SqlParams.Append(sqlParams.ToString());
            con.SqlValues.Append(sqlValues.ToString());
            int ret = -1;

            con.DbParamList = list;


            using (BatchAction ba = _oper.StarBatchAction())
            {
                string sql = con.GetSql(true);
                Dictionary <string, bool> cacheTables = null;

                cacheTables = _oper.DBInfo.QueryCache.CreateMap(EntityInfo.TableName);

                ret = ExecuteCommand(sql, list, CommandType.Text, cacheTables);
                if (identityInfo.Count > 0 && fillIdentity)
                {
                    foreach (EntityPropertyInfo pkInfo in identityInfo)
                    {
                        sql = EntityInfo.DBInfo.CurrentDbAdapter.GetIdentitySQL(pkInfo);
                        using (IDataReader reader = _oper.Query(sql, new ParamList(), null))
                        {
                            if (reader.Read())
                            {
                                if (!reader.IsDBNull(0))
                                {
                                    EntityInfo.DBInfo.CurrentDbAdapter.SetObjectValueFromReader(reader, 0, obj, pkInfo, !pkInfo.TypeEqual(reader, 0));
                                    //obj.PrimaryKeyChange();
                                    ret = 1;
                                }
                            }
                        }
                    }
                }
            }

            return(ret);
        }