internal static bool SetVersion(int newVer, int?transCode = null)
{
Model m = ModelUtils.GetModel(sVerModelName);
dynamic newobj = m.NewObject();
newobj.Version = newVer;
return(m.SetValues(newobj).Save(transCode));
}
public static void TruncateTables()
{
int count = ModelUtils.ModelCount;
for (int i = 0; i < count; i++)
{
Model m = ModelUtils.Get(i);
m.TruncateTable();
}
}
public static void CreateTables(bool force = false)
{
int count = ModelUtils.ModelCount;
for (int i = 0; i < count; i++)
{
Model m = ModelUtils.Get(i);
m.CreateTable(force);
}
}
public static bool SetVersion(int newVer, int?transCode = null)
{
int currVer = GetVersion();
if (currVer >= 0)
{
if (newVer > currVer)
{
return(ModelUtils.SetVersion(newVer, transCode));
}
}
return(false);
}
public static bool TryTruncateTables()
{
int count = ModelUtils.ModelCount;
for (int i = 0; i < count; i++)
{
Model m = ModelUtils.Get(i);
if (!m.TryTruncateTable())
{
return(false);
}
}
return(true);
}
public static bool TryCreateTables(bool force = false)
{
int count = ModelUtils.ModelCount;
for (int i = 0; i < count; i++)
{
Model m = ModelUtils.Get(i);
if (!m.TryCreateTable(force))
{
return(false);
}
}
return(true);
}
internal static int GetVersion()
{
Model m = ModelUtils.GetModel(sVerModelName);
if (m.TableExists())
{
dynamic result = m.DescendingSort("Id").QueryFirst();
if (result != null)
{
return(result.Version);
}
}
return(-1);
}
private static void ProcessDelayCheckProperties()
{
IEnumerator <KeyValuePair <Property, DelayCheckPropertySetting> > e = sDelayCheckProperties.GetEnumerator();
while (e.MoveNext())
{
Property p = e.Current.Key;
DelayCheckPropertySetting dcps = e.Current.Value;
if (p.Type == typeof(Model))
{
Model m = ModelUtils.GetModel(p.TypeValue);
if (m == null)
{
throw new Exception(string.Concat("Model定义“", p.TypeValue, "”不存在。", dcps.Position));
}
Property joinP = null;
if (!string.IsNullOrWhiteSpace(p.JoinProp))
{
try
{
joinP = m.GetProperty(p.JoinProp);
}
catch
{
throw new Exception(string.Concat("关联模型“", p.TypeValue, "”中不存在属性“", p.JoinProp, "”的定义。", dcps.Position));
}
}
if (joinP == null)
{
joinP = m.GetPrimaryKey(0);
}
//TODO 多级关联属性这里会有问题，如果是多级关联，此时joinP的类型可能还是Model
p.RealType = joinP.Type;
if (dcps.FieldTypeNotSet)
{
p.FieldType = joinP.FieldType;
}
if (dcps.LengthNotSet)
{
p.Length = joinP.Length;
}
}
}
}
internal static ConnectionSetting GetConnectionByModelName(string modelName)
{
string fullModelName = ModelUtils.GetFullModelName(modelName).ToLower();
if (sModelConnections.ContainsKey(fullModelName))
{
ConnectionSetting result;
if (sModelConnections.TryGetValue(fullModelName, out result))
{
return(result);
}
}
string modelPath = fullModelName;
int pos = modelPath.LastIndexOf("/");
while (pos >= 0)
{
modelPath = modelPath.Substring(0, pos);
if (pos == 0)
{
modelPath = "/";
}
if (sConnectionSettings.ContainsKey(modelPath))
{
ConnectionSetting conns = sConnectionSettings[modelPath];
sModelConnections.AddOrUpdate(fullModelName, conns, (key, value) =>
{
return(conns);
});
return(conns);
}
if (pos == 0)
{
break;
}
}
throw new Exception("未定义数据源：" + modelName);
}
public static bool EnableVersionControl()
{
if (!ModelUtils.VersionControlTableExists())
{
if (ModelUtils.CreateVersionControlTable())
{
return(ModelUtils.SetVersion(0));
}
else
{
return(false);
}
}
else
{
if (ModelUtils.GetVersion() == -1)
{
return(ModelUtils.SetVersion(0));
}
}
return(true);
}
private static void ParseModelFile(FileInfo modelFile, string parent)
{
string modelFilePath = modelFile.FullName;
Model model = ParseModel(modelFilePath, parent);
if (model.PrimaryKeyCount == 0)
{
Property p = new Property();
p.Name = "Id";
p.Type = typeof(Int32);
p.RealType = p.Type;
p.Field = "f_id";
p.FieldType = DbType.Int32;
p.IsPrimaryKey = true;
p.AutoIncrement = true;
p.Unsigned = true;
p.JoinInsert = false;
p.JoinUpdate = false;
p.Description = "自动生成主键";
model.AddProperty(p);
}
ModelUtils.AddModel(parent, model);
}
internal static void Load(string modelPath, bool increment = false)
{
//初始化属性Processor
Processor.Init();
ConnectionUtils.ClearConnections();
if (!increment)
{
ModelUtils.ClearModels();
sModelFileUpdateTimes.Clear();
}
//遍历加载解析模型定义
DirectoryInfo di = new DirectoryInfo(modelPath);
EnumDirectory(di, "/", increment);
//处理模型解析过程中需要延后校验的属性定义
ProcessDelayCheckProperties();
//注册数据源
ConnectionUtils.RegisterAllConnections();
}
/// <summary>
/// 加载模型定义
/// </summary>
public static void Load()
{
ModelLoader.Load(ModelPath);
ModelUtils.AddVersionControlModel();
}
public static int GetVersion()
{
return(ModelUtils.GetVersion());
}
public static Model Model(string modelName)
{
return(ModelUtils.GetModel(modelName));
}
internal static string BuildJoinTableSQL(Model m, List <string> foreignTables)
{
string[] quotes = Features.GetObjectQuotes(m);
StringBuilder sbJoins = new StringBuilder();
Hashtable processedName = new Hashtable();
Hashtable processedModel = new Hashtable();
foreach (string foreignTableName in foreignTables)
{
string key = foreignTableName.Substring(0, foreignTableName.LastIndexOf(".")).Trim().ToLower();
if (processedName.ContainsKey(key))
{
continue;
}
Model currM = m;
string[] subNames = foreignTableName.Split(".");
for (int i = 0; i < subNames.Length; i++)
{
Property subProp = currM.GetProperty(subNames[i]);
Model subM = ModelUtils.GetModel(subProp.TypeValue);
string joinModelName = string.Concat(currM.Name, "_", subM.Name).ToLower();
if (processedModel.ContainsKey(joinModelName))
{
if (i == subNames.Length - 2)
{
break;
}
else
{
currM = subM;
continue;
}
}
string joinField = subM.GetPrimaryKey(0).Field;
if (!string.IsNullOrWhiteSpace(subProp.JoinProp))
{
joinField = subM.GetProperty(subProp.JoinProp).Field;
}
sbJoins.Append(string.Concat(" LEFT JOIN ", quotes[0], subM.Table, quotes[1], " ON ", quotes[0],
currM.Table, quotes[1], ".", quotes[0], subProp.Field, quotes[1], "=", quotes[0], subM.Table, quotes[1], ".", quotes[0], joinField, quotes[1]));
currM = subM;
processedModel.Add(joinModelName, true);
if (i == subNames.Length - 2)
{
break;
}
}
processedName.Add(key, true);
}
return(sbJoins.ToString());
}
internal static CommandSQL BuildQuerySQL(Model m)
{
string[] quotes = Features.GetObjectQuotes(m);
string[] aliasQuotes = new string[] { quotes[0], quotes[1] };
string[] specAliasQuotes = Features.GetFieldAliasQuotes(m);
if (specAliasQuotes.Length > 0)
{
aliasQuotes = specAliasQuotes;
}
CommandSQL result = new CommandSQL();
List <GetValueSetting> queryFields = new List <GetValueSetting>();
if (m.ReturnValues.Count > 0)
{
queryFields.AddRange(m.ReturnValues);
}
else
{
for (int i = 0; i < m.PropertyCount; i++)
{
queryFields.Add(new GetValueSetting(m.GetProperty(i).Name));
}
}
List <string> foreignTables = new List <string>();
StringBuilder sbFields = new StringBuilder();
foreach (GetValueSetting gvs in queryFields)
{
if (!gvs.Name.Contains(".")) //直接属性
{
Property p = m.GetProperty(gvs.Name);
if (sbFields.Length > 0)
{
sbFields.Append(",");
}
sbFields.Append(string.Concat(
GenQueryField(m, gvs, string.Concat(quotes[0], m.Table, quotes[1], ".", quotes[0], p.Field, quotes[1])),
" AS ", aliasQuotes[0], gvs.FieldName, aliasQuotes[1]));
}
else //Model属性引用
{
foreignTables.Add(gvs.Name);
Model currM = m;
string[] subNames = gvs.Name.Split(".");
for (int i = 0; i < subNames.Length; i++)
{
Property subProp = currM.GetProperty(subNames[i]);
currM = ModelUtils.GetModel(subProp.TypeValue);
if (i == subNames.Length - 2)
{
if (sbFields.Length > 0)
{
sbFields.Append(",");
}
Property lastProp = currM.GetProperty(subNames[i + 1]);
sbFields.Append(string.Concat(
GenQueryField(currM, gvs, string.Concat(quotes[0], currM.Table, quotes[1], ".", quotes[0], lastProp.Field, quotes[1])),
" AS ", aliasQuotes[0], gvs.FieldName, aliasQuotes[1]));
break;
}
}
}
}
CommandSQL where = m.Where.Build(m);
foreignTables.AddRange(where.ForeignTables);
foreignTables.AddRange(m.ForeignSortNames);
string joinSql = BuildJoinTableSQL(m, foreignTables);
result.SQL = string.Concat(sbFields, " FROM ", quotes[0], m.Table, quotes[1], joinSql);
if (!string.IsNullOrEmpty(where.SQL))
{
result.SQL += string.Concat(" WHERE ", where.SQL);
result.Params.AddRange(where.Params);
}
if (m.GroupByNames.Count > 0)
{
string groupBySQL = BuildGroupBySQL(m);
if (!string.IsNullOrWhiteSpace(groupBySQL))
{
result.SQL += string.Concat(" ", groupBySQL, " ");
}
}
if (!string.IsNullOrEmpty(m.Sort))
{
result.SQL += string.Concat(" ORDER BY ", m.Sort);
}
if (m.IsUsePaging)
{
result.SQL = Features.GetPagingCommand(m, result.SQL, m.CurrPageSize, m.CurrPageIndex);
}
else
{
result.SQL = string.Concat("SELECT ", result.SQL);
}
if (m.IsSelectForUpdate)
{
result.SQL += " FOR UPDATE";
if (m.IsNoWait)
{
result.SQL += " NOWAIT";
}
}
return(result);
}
internal static string BuildGroupBySQL(Model m)
{
string[] quotes = Features.GetObjectQuotes(m);
StringBuilder sbResult = new StringBuilder();
if (m.GroupByNames.Count > 0)
{
sbResult.Append("GROUP BY ");
foreach (GroupBySetting gbs in m.GroupByNames)
{
if (!gbs.Name.Contains(".")) //直接属性
{
Property p = m.GetProperty(gbs.Name);
if (sbResult.Length > 9)
{
sbResult.Append(",");
}
string groupField = string.Concat(quotes[0], m.Table, quotes[1], ".", quotes[0], p.Field, quotes[1]);
if (gbs.FunctionType != FunctionType.NONE)
{
string funcName = Enum.GetName(typeof(FunctionType), gbs.FunctionType);
string groupFuncField = Features.GetFunctionCommand(m, funcName, groupField);
sbResult.Append(groupFuncField);
}
else
{
sbResult.Append(groupField);
}
}
else //Model属性引用
{
Model currM = m;
string[] subNames = gbs.Name.Split(".");
for (int i = 0; i < subNames.Length; i++)
{
Property subProp = currM.GetProperty(subNames[i]);
currM = ModelUtils.GetModel(subProp.TypeValue);
if (i == subNames.Length - 2)
{
if (sbResult.Length > 9)
{
sbResult.Append(",");
}
Property lastProp = currM.GetProperty(subNames[i + 1]);
string groupField = string.Concat(quotes[0], currM.Table, quotes[1], ".", quotes[0], lastProp.Field, quotes[1]);
if (gbs.FunctionType != FunctionType.NONE)
{
string funcName = Enum.GetName(typeof(FunctionType), gbs.FunctionType);
string groupFuncField = Features.GetFunctionCommand(m, funcName, groupField);
sbResult.Append(groupFuncField);
}
else
{
sbResult.Append(groupField);
}
break;
}
}
}
}
}
return(sbResult.ToString());
}
internal CommandSQL Build(Model model)
{
string[] quotes = Features.GetObjectQuotes(model);
bool recordEqualsProperties = true;
CommandSQL result = new CommandSQL();
KeyValuePair <string, object> expr = new KeyValuePair <string, object>();
Model currM;
Property p = null;
DbParameter dp, dp2;
foreach (KeyValuePair <FilterOperator, object> item in mFilterItems)
{
currM = model;
if (item.Key != FilterOperator.And &&
item.Key != FilterOperator.Or)
{
expr = (KeyValuePair <string, object>)item.Value;
if (!expr.Key.Contains("."))
{
p = model.GetProperty(expr.Key);
if (recordEqualsProperties && item.Key == FilterOperator.Equals)
{
result.FilterProperties.Add(expr.Key, expr.Value);
}
}
else
{
string[] subNames = expr.Key.Split(".");
for (int i = 0; i < subNames.Length; i++)
{
string subName = subNames[i];
Property subProp = currM.GetProperty(subName);
Model subM = ModelUtils.GetModel(subProp.TypeValue);
currM = subM;
if (i == subNames.Length - 2)
{
p = subM.GetProperty(subNames[i + 1]);
break;
}
}
result.ForeignTables.Add(expr.Key);
}
if (!string.IsNullOrEmpty(result.SQL))
{
result.SQL += " AND ";
}
}
else if (item.Key == FilterOperator.Or)
{
recordEqualsProperties = false;
result.FilterProperties.Clear();
}
DbType dbType = DbType.String;
string paramName = null;
string paramPlaceholder = null;
string paramName2 = null;
string paramPlaceholder2 = null;
if (p != null)
{
dbType = CommandUtils.GetDbParamType(p);
paramName = CommandUtils.GenParamName(p);
paramPlaceholder = Features.GetCommandParamName(currM, paramName);
paramName2 = CommandUtils.GenParamName(p);
paramPlaceholder2 = Features.GetCommandParamName(currM, paramName2);
}
switch (item.Key)
{
case FilterOperator.And:
if (!string.IsNullOrWhiteSpace(result.SQL))
{
result.SQL += " AND ";
}
CommandSQL andActionSQL = ((SubFilter)item.Value).Build(model);
result.SQL += andActionSQL.SQL;
result.Params.AddRange(andActionSQL.Params);
result.ForeignTables.AddRange(andActionSQL.ForeignTables);
break;
case FilterOperator.Or:
if (!string.IsNullOrWhiteSpace(result.SQL))
{
result.SQL += " OR ";
}
CommandSQL orActionSQL = ((SubFilter)item.Value).Build(model);
result.SQL += orActionSQL.SQL;
result.Params.AddRange(orActionSQL.Params);
result.ForeignTables.AddRange(orActionSQL.ForeignTables);
break;
case FilterOperator.Equals:
if (!p.NeedCalcBeforeSave)
{
dp = DbUtils.CreateParam(currM.Path, paramName,
expr.Value, dbType, ParameterDirection.Input);
}
else
{
dynamic inputObj = currM.NewObject();
inputObj[p.Name] = expr.Value;
dp = DbUtils.CreateParam(currM.Path, paramName,
p.DoBeforeSaveProcessor(inputObj), dbType, ParameterDirection.Input);
}
result.Params.Add(dp);
result.SQL += string.Concat(quotes[0], p.Owner.Table, quotes[1], ".", quotes[0], p.Field, quotes[1], "=", paramPlaceholder);
break;
case FilterOperator.NotEquals:
if (!p.NeedCalcBeforeSave)
{
dp = DbUtils.CreateParam(currM.Path, paramName,
expr.Value, dbType, ParameterDirection.Input);
}
else
{
dynamic inputObj = currM.NewObject();
inputObj[p.Name] = expr.Value;
dp = DbUtils.CreateParam(currM.Path, paramName,
p.DoBeforeSaveProcessor(inputObj), dbType, ParameterDirection.Input);
}
result.Params.Add(dp);
result.SQL += string.Concat(quotes[0], p.Owner.Table, quotes[1], ".", quotes[0], p.Field, quotes[1], "<>", paramPlaceholder);
break;
case FilterOperator.Gt:
if (!p.NeedCalcBeforeSave)
{
dp = DbUtils.CreateParam(currM.Path, paramName,
expr.Value, dbType, ParameterDirection.Input);
}
else
{
dynamic inputObj = currM.NewObject();
inputObj[p.Name] = expr.Value;
dp = DbUtils.CreateParam(currM.Path, paramName,
p.DoBeforeSaveProcessor(inputObj), dbType, ParameterDirection.Input);
}
result.Params.Add(dp);
result.SQL += string.Concat(quotes[0], p.Owner.Table, quotes[1], ".", quotes[0], p.Field, quotes[1], ">", paramPlaceholder);
break;
case FilterOperator.Gte:
if (!p.NeedCalcBeforeSave)
{
dp = DbUtils.CreateParam(currM.Path, paramName,
expr.Value, dbType, ParameterDirection.Input);
}
else
{
dynamic inputObj = currM.NewObject();
inputObj[p.Name] = expr.Value;
dp = DbUtils.CreateParam(currM.Path, paramName,
p.DoBeforeSaveProcessor(inputObj), dbType, ParameterDirection.Input);
}
result.Params.Add(dp);
result.SQL += string.Concat(quotes[0], p.Owner.Table, quotes[1], ".", quotes[0], p.Field, quotes[1], ">=", paramPlaceholder);
break;
case FilterOperator.Lt:
if (!p.NeedCalcBeforeSave)
{
dp = DbUtils.CreateParam(currM.Path, paramName,
expr.Value, dbType, ParameterDirection.Input);
}
else
{
dynamic inputObj = currM.NewObject();
inputObj[p.Name] = expr.Value;
dp = DbUtils.CreateParam(currM.Path, paramName,
p.DoBeforeSaveProcessor(inputObj), dbType, ParameterDirection.Input);
}
result.Params.Add(dp);
result.SQL += string.Concat(quotes[0], p.Owner.Table, quotes[1], ".", quotes[0], p.Field, quotes[1], "<", paramPlaceholder);
break;
case FilterOperator.Lte:
if (!p.NeedCalcBeforeSave)
{
dp = DbUtils.CreateParam(currM.Path, paramName,
expr.Value, dbType, ParameterDirection.Input);
}
else
{
dynamic inputObj = currM.NewObject();
inputObj[p.Name] = expr.Value;
dp = DbUtils.CreateParam(currM.Path, paramName,
p.DoBeforeSaveProcessor(inputObj), dbType, ParameterDirection.Input);
}
result.Params.Add(dp);
result.SQL += string.Concat(quotes[0], p.Owner.Table, quotes[1], ".", quotes[0], p.Field, quotes[1], "<=", paramPlaceholder);
break;
case FilterOperator.Like:
if (!p.NeedCalcBeforeSave)
{
dp = DbUtils.CreateParam(currM.Path, paramName,
expr.Value, DbType.String, ParameterDirection.Input);
}
else
{
dynamic inputObj = currM.NewObject();
inputObj[p.Name] = expr.Value;
dp = DbUtils.CreateParam(currM.Path, paramName,
p.DoBeforeSaveProcessor(inputObj), DbType.String, ParameterDirection.Input);
}
result.Params.Add(dp);
result.SQL += string.Concat(quotes[0], p.Owner.Table, quotes[1], ".", quotes[0], p.Field, quotes[1], " LIKE ", paramPlaceholder);
break;
case FilterOperator.NotLike:
if (!p.NeedCalcBeforeSave)
{
dp = DbUtils.CreateParam(currM.Path, paramName,
expr.Value, DbType.String, ParameterDirection.Input);
}
else
{
dynamic inputObj = currM.NewObject();
inputObj[p.Name] = expr.Value;
dp = DbUtils.CreateParam(currM.Path, paramName,
p.DoBeforeSaveProcessor(inputObj), DbType.String, ParameterDirection.Input);
}
result.Params.Add(dp);
result.SQL += string.Concat(quotes[0], p.Owner.Table, quotes[1], ".", quotes[0], p.Field, quotes[1], " NOT LIKE ", paramPlaceholder);
break;
case FilterOperator.IsNull:
result.SQL += string.Concat(quotes[0], p.Owner.Table, quotes[1], ".", quotes[0], p.Field, quotes[1], " IS NULL");
break;
case FilterOperator.IsNotNull:
result.SQL += string.Concat(quotes[0], p.Owner.Table, quotes[1], ".", quotes[0], p.Field, quotes[1], " IS NOT NULL");
break;
case FilterOperator.Between:
object[] values = (object[])expr.Value;
if (!p.NeedCalcBeforeSave)
{
dp = DbUtils.CreateParam(currM.Path, paramName,
values[0], dbType, ParameterDirection.Input);
dp2 = DbUtils.CreateParam(currM.Path, paramName2,
values[1], dbType, ParameterDirection.Input);
}
else
{
dynamic inputObj = currM.NewObject();
inputObj[p.Name] = values[0];
dp = DbUtils.CreateParam(currM.Path, paramName,
p.DoBeforeSaveProcessor(inputObj), dbType, ParameterDirection.Input);
dynamic inputObj2 = currM.NewObject();
inputObj2[p.Name] = values[1];
dp2 = DbUtils.CreateParam(currM.Path, paramName2,
p.DoBeforeSaveProcessor(inputObj2), dbType, ParameterDirection.Input);
}
result.Params.Add(dp);
result.Params.Add(dp2);
result.SQL += string.Concat(quotes[0], p.Owner.Table, quotes[1], ".", quotes[0], p.Field, quotes[1], " BETWEEN ", paramPlaceholder, " AND ", paramPlaceholder2);
break;
case FilterOperator.In:
StringBuilder sbInSQL = new StringBuilder(string.Concat(quotes[0], p.Owner.Table, quotes[1], ".", quotes[0], p.Field, quotes[1], " IN("));
object[] items = (object[])expr.Value;
for (int i = 0; i < items.Length; i++)
{
if (i > 0)
{
sbInSQL.Append(",");
}
string inParamName = CommandUtils.GenParamName(p);
dp = DbUtils.CreateParam(currM.Path, inParamName,
items[i], dbType, ParameterDirection.Input);
result.Params.Add(dp);
string inParamPlaceholder = Features.GetCommandParamName(currM, inParamName);
sbInSQL.Append(inParamPlaceholder);
}
sbInSQL.Append(")");
result.SQL += sbInSQL.ToString();
break;
case FilterOperator.NotIn:
StringBuilder sbNotInSQL = new StringBuilder(string.Concat(quotes[0], p.Owner.Table, quotes[1], ".", quotes[0], p.Field, quotes[1], " NOT IN("));
object[] notItems = (object[])expr.Value;
for (int i = 0; i < notItems.Length; i++)
{
if (i > 0)
{
sbNotInSQL.Append(",");
}
string notInParamName = CommandUtils.GenParamName(p);
dp = DbUtils.CreateParam(currM.Path, notInParamName,
notItems[i], dbType, ParameterDirection.Input);
result.Params.Add(dp);
string notInParamPlaceholder = Features.GetCommandParamName(currM, notInParamName);
sbNotInSQL.Append(notInParamPlaceholder);
}
sbNotInSQL.Append(")");
result.SQL += sbNotInSQL.ToString();
break;
}
}
if (!string.IsNullOrWhiteSpace(result.SQL))
{
result.SQL = string.Concat("(", result.SQL, ")");
}
return(result);
}
public static bool IsDefind(string modelName)
{
return(ModelUtils.IsDefined(modelName));
}
