public string ToString(ClassMetadata classMetadata)
{
var orderStr = new StringBuilder();
var i = 0;
foreach (var subOrder in subOrders)
{
if (i > 0)
{
orderStr.Append(",");
}
orderStr.Append(subOrder.ToString(classMetadata));
i++;
}
return orderStr.Length > 0 ? string.Format(" ORDER BY {0}" , orderStr) : "";
}
public string ToString(ClassMetadata classMetadata)
{
var columnInfo = classMetadata.ColumnInfos.Find(p => p.PropertyName == this.PropertyName);
return columnInfo != null ? new StringBuilder().Append(columnInfo.Name).Append(" ").Append(IsAscending ? "ASC" : "DESC").ToString() : string.Empty;
}
private static ClassMetadata CreatePersistentClass(System.Type type)
{
ClassMetadata result = null;
if (type != null)
{
result = new ClassMetadata { EntityType = type, EntityName = type.Name };
var at = type.GetCustomAttributes(false);
if (at.Length > 0)
{
var tableAttribute = (TableAttribute)at[0];
result.TableName = tableAttribute.Name;
result.TableName = tableAttribute.Name;
result.AssociateTable = tableAttribute.AssociateTable;
result.ForeignKey = tableAttribute.ForeignKey;
}
var columnInfos = new List<ColumnInfo>();
var propertyInfos = type.GetProperties();
ColumnInfo model;
foreach (var info in propertyInfos)
{
model = new ColumnInfo { PropertyInfo = info };
var attributes = info.GetCustomAttributes(false);
foreach (var att in attributes)
{
if (att is ColumnAttribute)
{
var ptt = att as ColumnAttribute;
model.PropertyName = info.Name;
model.PropertyType = info.PropertyType.IsGenericType && info.PropertyType.GetGenericTypeDefinition() == typeof(Nullable<>) ? info.PropertyType.GetGenericArguments()[0] : info.PropertyType;
if (ptt.IsPrimaryKey)
{
result.PrimaryKey = info.Name;
result.PKColumnName = ptt.Name;
}
model.IsIncrement = ptt.IsIncrement;
model.IsNullable = ptt.IsNullable;
model.IsUnique = ptt.IsUnique;
model.ParameterDirection = ptt.ParameterDirection;
model.SameParameters = ptt.SameParameters;
model.IsColumn = true;
model.Name = ptt.Name;
model.IsPrimaryKey = ptt.IsPrimaryKey;
model.IsInsertable = ptt.IsInsertable;
model.IsUpdatable = ptt.IsUnique;
model.ColumnDefinition = ptt.ColumnDefinition;
model.Table = ptt.Table;
model.Length = ptt.Length;
model.Precision = ptt.Precision;
model.Scale = ptt.Scale;
}
else
{
//break;
}
}
if (info.DeclaringType != typeof(IEntity))
columnInfos.Add(model);
}
result.ColumnInfos = columnInfos;
}
return result;
}
private string OperationToString(ClassMetadata classMetadata)
{
var result = new StringBuilder();
var columnName = "";
var parameters = new List<DbParameter>();
foreach (ColumnInfo columnInfo in classMetadata.ColumnInfos)
{
if (!columnInfo.IsColumn) continue;
if (columnInfo.PropertyName.ToUpper() == Name.ToUpper())
{
columnName = columnInfo.Name;
}
//if (IsNull(value)) continue;
//if (IsNullValue(value) && columnInfo.IsNullable) continue;
//var index = Contains(obj.Conditaion, columnInfo.PropertyName);
//if (index == 0)
//{
// rConditaion = rConditaion.Replace(string.Format(LikeString[0], columnInfo.PropertyName), entityPersister.Driver.FormatNameForSql(columnInfo.Name));
// entityPersister.SetDbParamter(session, parameters, columnInfo.Name, value);
// //entityPersister.SetDbParamter(session, parameters, classMetadata.PrimaryKey, value);
//}
//else if (index > 0)
//{
// rConditaion = rConditaion.Replace(string.Format(LikeString[index], columnInfo.PropertyName), string.Format(LikeValueString[index - 1], Escape(value.ToString(), "")));
//}
}
var paramName = Driver.FormatNameForSql(columnName);
switch (Operation)
{
case OP.EQ:
result.Append(columnName).Append("=").Append(paramName);
SetDbParamter(DbParameter, columnName, Value);
break;
case OP.NE:
result.Append(columnName).Append("<>").Append(paramName);
SetDbParamter(DbParameter, columnName, Value);
break;
case OP.GE:
result.Append(columnName).Append(">=").Append(paramName);
SetDbParamter(DbParameter, columnName, Value);
break;
case OP.LE:
result.Append(columnName).Append("<=").Append(paramName);
SetDbParamter(DbParameter, columnName, Value);
break;
case OP.GT:
result.Append(columnName).Append(">").Append(paramName);
SetDbParamter(DbParameter, columnName, Value);
break;
case OP.LT:
result.Append(columnName).Append("<").Append(paramName);
SetDbParamter(DbParameter, columnName, Value);
break;
// case OP.BETWEEN:
// String min = new StringBuilder("min").append(propertyName).toString();
// String max = new StringBuilder("max").append(propertyName).toString();
// sql.append("(").append(columnName).append(">=").append(prefixInSql).append(min);
// sql.append(" AND ");
// sql.append(columnName).append("<=").append(prefixInSql).append(max).append(")");
// Object[] v = ArrayUtil.toObjectArray(value);
// parameterMap.put(min, new SqlParameter(min, v[0], typeName, sqlType, scale));
// parameterMap.put(max, new SqlParameter(max, v[1], typeName, sqlType, scale));
// break;
//case OP.IN:
// result.Append(columnName).Append(" IN (").Append(paramName).Append(") ");
// SetDbParamter(DbParameter, columnName, Value);
// //sql.append(columnName).append(" IN (");
// ////如果数据库是Oralce时，使用时注意In表达式内的变量数在100之内，当变量数大于100时建议客户程序分批处理。
// //buildInOperation(sql);//update by LDG，
// ////buildInOperation(prefixInSql, sql, typeName, sqlType, scale, propertyName);
// //sql.append(") ");
// break;
// case OP.NOTIN:
// sql.append(columnName).append(" NOT IN (");
// buildInOperation(sql);
// //buildInOperation(prefixInSql, sql, typeName, sqlType, scale, propertyName);
// sql.append(") ");
// break;
case OP.LIKE:
result.Append(columnName).Append(" LIKE ").Append(paramName);
SetDbParamter(DbParameter, columnName, string.Format("%{0}%",Value));
break;
case OP.FLIKE:
result.Append(columnName).Append(" LIKE ").Append(paramName);
SetDbParamter(DbParameter, columnName, string.Format("{0}%", Value));
break;
case OP.ELIKE:
result.Append(columnName).Append(" LIKE ").Append(paramName);
SetDbParamter(DbParameter, columnName, string.Format("%{0}", Value));
break;
//case OP.IS:
// result.Append(columnName).Append(" IS ").Append(paramName);
// SetDbParamter(DbParameter, columnName, Value);
// break;
//case OP.UEMPTY:
// result.Append(columnName).Append(" IS NOT NULL");
// break;
}
return result.ToString();
}
public string ToString(ClassMetadata classMetadata)
{
var result = new StringBuilder();
if (Value is Criteria)
{
var criteria = Value as Criteria;
result.Append(criteria.ToString(classMetadata));
}
else
{
result.Append(OperationToString(classMetadata));
}
return result.ToString();
}
public string ToString(ClassMetadata classMetadata)
{
var result = new StringBuilder();
var index = 0;
foreach (var criterion in this.CriterionList)
{
criterion.Driver = this.Driver;
criterion.DicParameter = this.DicParameter;
criterion.DbParameter = this.DbParameter;
if (index > 0)
{
result.Append(criterion.LogicOperation == LOP.OR?" OR ":" AND ");
}
result.Append(criterion.ToString(classMetadata));
index++;
}
return result.ToString();
}
