public T Get <T>(object id, string tableName = null, int?commandTimeout = null) where T : class
{
IClassMapper classMapper = ClassMapperFactory.GetMapper <T>(tableName);
KeyConditionResult keyConditionResult = SqlGenerator.GetKeyConditionById(classMapper, id);
SqlConvertResult sqlConvertResult = SqlGenerator.Select(classMapper, keyConditionResult.Sql, null, keyConditionResult.Parameters, false);
T result = DbConnection.Query <T>(sqlConvertResult.Sql, sqlConvertResult.Parameters, DbTransaction, true, commandTimeout, CommandType.Text).SingleOrDefault();
if (result == null)
{
return(null);
}
IPropertyMap persistedMap = classMapper.GetPersistedMap();
if (persistedMap != null)
{
persistedMap.PropertyInfo.SetValue(result, true, null);
}
IPropertyMap propertyChangedListMap = classMapper.GetPropertyChangedListMap();
if (propertyChangedListMap != null)
{
IList <string> changedList = propertyChangedListMap.PropertyInfo.GetValue(result, null) as IList <string>;
if (changedList != null)
{
changedList.Clear();
}
}
return(result);
}
public IList <T> List <T>(string tableName, string condition, string orderBy, DynamicParameters dynamicParameters, int firstResult, int maxResults, int?commandTimeout = null) where T : class
{
IClassMapper classMapper = ClassMapperFactory.GetMapper <T>(tableName);
SqlConvertResult sqlConvertResult = SqlGenerator.Select(classMapper, firstResult, maxResults, condition, orderBy, dynamicParameters);
return(DbConnection.Query <T>(sqlConvertResult.Sql, sqlConvertResult.Parameters, DbTransaction, true, commandTimeout, CommandType.Text).ToList());
}
public bool Update <T>(T entity, string tableName = null, int?commandTimeout = null) where T : class
{
IClassMapper <T> classMapper = ClassMapperFactory.GetMapper <T>(tableName);
classMapper.BeforeSave(entity);
KeyConditionResult keyConditionResult = SqlGenerator.GetKeyConditionByEntity(classMapper, entity);
if (classMapper.GetVersionMap() != null)
{
int oldVersion = (int)classMapper.GetVersionMap().PropertyInfo.GetValue(entity, null);
keyConditionResult.Sql = string.Format("{0} AND {1}={2}", keyConditionResult.Sql,
SqlGenerator.DbProvider.QuoteString(classMapper.GetVersionMap().ColumnName), oldVersion);
classMapper.GetVersionMap().PropertyInfo.SetValue(entity, oldVersion + 1, null);
}
SqlConvertResult sqlConvertResult = SqlGenerator.Update(classMapper, keyConditionResult.Sql, keyConditionResult.Parameters, entity);
sqlConvertResult.Parameters.AddDynamicParams(entity);
bool flag = DbConnection.Execute(sqlConvertResult.Sql, sqlConvertResult.Parameters, DbTransaction, commandTimeout, CommandType.Text) > 0;
if (flag)
{
classMapper.AfterSave(entity);
}
return(flag);
}
public bool Delete <T>(object id, string tableName = null, int?commandTimeout = null) where T : class
{
IClassMapper classMapper = ClassMapperFactory.GetMapper <T>(tableName);
KeyConditionResult keyConditionResult = SqlGenerator.GetKeyConditionById(classMapper, id);
SqlConvertResult sqlConvertResult = SqlGenerator.Delete(classMapper, keyConditionResult.Sql, keyConditionResult.Parameters);
return(DbConnection.Execute(sqlConvertResult.Sql, sqlConvertResult.Parameters, DbTransaction, commandTimeout, CommandType.Text) > 0);
}
public bool Save <T>(T entity, string tableName = null, int?commandTimeout = null) where T : class
{
IClassMapper classMapper = ClassMapperFactory.GetMapper <T>(tableName);
IPropertyMap persistedMap = classMapper.GetPersistedMap();
if (persistedMap == null)
{
throw new Exception(string.Format("{0}没有映射持久化标识列，无法使用此方法！", typeof(T).FullName));
}
bool isPersisted = (bool)persistedMap.PropertyInfo.GetValue(entity, null);
return(isPersisted ? Update(entity, tableName, commandTimeout) : Insert(entity, tableName, commandTimeout));
}
public bool Insert <T>(T entity, string tableName = null, int?commandTimeout = null) where T : class
{
bool flag;
IClassMapper <T> classMapper = ClassMapperFactory.GetMapper <T>(tableName);
classMapper.BeforeSave(entity);
var identityColumn = classMapper.Properties.SingleOrDefault(p => p.KeyType == KeyType.Identity);
IDictionary <string, object> keyValues = new ExpandoObject();
SqlConvertResult sqlConvertResult = SqlGenerator.Insert(classMapper, null);
if (identityColumn != null)
{
IEnumerable <long> result;
if (SqlGenerator.SupportsMultipleStatements())
{
sqlConvertResult.Sql += SqlGenerator.DbProvider.BatchSeperator + SqlGenerator.IdentitySql(classMapper);
result = DbConnection.Query <long>(sqlConvertResult.Sql, entity, DbTransaction, false, commandTimeout, CommandType.Text);
}
else
{
DbConnection.Execute(sqlConvertResult.Sql, entity, DbTransaction, commandTimeout, CommandType.Text);
sqlConvertResult.Sql = SqlGenerator.IdentitySql(classMapper);
result = DbConnection.Query <long>(sqlConvertResult.Sql, entity, DbTransaction, false, commandTimeout, CommandType.Text);
}
long identityValue = result.First();
int identityInt = Convert.ToInt32(identityValue);
keyValues.Add(identityColumn.Name, identityInt);
identityColumn.PropertyInfo.SetValue(entity, identityInt, null);
flag = identityInt > 0;
}
else
{
flag = DbConnection.Execute(sqlConvertResult.Sql, entity, DbTransaction, commandTimeout, CommandType.Text) > 0;
}
if (flag)
{
classMapper.AfterSave(entity);
}
return(flag);
}
public bool Insert <T>(IEnumerable <T> entities, string tableName = null, int?commandTimeout = null) where T : class
{
IClassMapper <T> classMapper = ClassMapperFactory.GetMapper <T>(tableName);
if (entities != null)
{
foreach (T entity in entities)
{
classMapper.BeforeSave(entity);
}
}
SqlConvertResult sqlConvertResult = SqlGenerator.Insert(classMapper, null);
bool flag = DbConnection.Execute(sqlConvertResult.Sql, entities, DbTransaction, commandTimeout, CommandType.Text) > 0;
if (flag && entities != null)
{
foreach (T entity in entities)
{
classMapper.AfterSave(entity);
}
}
return(flag);
}