public object GetId()
{
var meta = MetaDataHelper.GetMetaData(this.GetType());
return(this.GetValue(meta.KeyColumn.ColumnName));
}
public static string GenerateClass(Type type)
{
StringBuilder sb = new StringBuilder();
var meta = MetaDataHelper.GetMetaData(type);
if (meta.TableName.IsNullOrWhiteSpace() || meta.KeyColumn == null)
{
throw new Exception(type.FullName + ":没有配置主键或者表名");
}
sb.Append("public class ").Append(type.Name).Append("Map : ClassMap<").Append(type.FullName).Append("> \n");
sb.AppendLine("{");
var tableName = meta.TableName;
sb.Append("public ").Append(type.Name).AppendLine("Map (){ ");
//bool cache=type.GetCustAttr<CacheAttribute>()!=null;
//if (cache)
//sb.AppendLine("this.Cache.ReadWrite();");
sb.Append("Table(\"").Append(tableName).AppendLine("\"); ");
foreach (var prop in meta.Properties.Values)
{
if (prop.IsNotMapped)
{
continue;
}
string linq = "(m=>m." + prop.Name + ")";
if (prop.HasManyAttribute != null)
{
sb.Append("HasMany").Append(linq);
//if (TypeHelper.GetElementType(prop.PropertyDescriptor.PropertyType).IsValueType)
// sb.AppendFormat(".Element(\"{0}\").KeyColumn(\"{1}\").Table(\"{2}\")", hasMany.ChildKey, hasMany.ParentKey, hasMany.Table);
//else
sb.Append(".KeyColumn(\"" + prop.HasManyAttribute.ParentKey + "\")");
if (prop.HasManyAttribute.OrderBy.IsNotNull())
{
sb.AppendFormat(".OrderBy(\"{0}\")", prop.HasManyAttribute.OrderBy);
}
//else if (typeof(ISortable).IsAssignableFrom(prop.HasManyAttribute.ItemType))
//{
// sb.AppendFormat(".OrderBy(\"Sort\")");
//}
//if (cache)
// sb.Append(".Cache.ReadWrite()");
sb.Append(";\n");
continue;
}
if (prop.HasOneAttribute != null)
{
sb.Append("References").Append(linq).Append(".Column(\"" + prop.HasOneAttribute.ReferenceID + "\")");
//if (cache)
// sb.Append(".Cache.ReadWrite()");
sb.Append(";\n");
continue;
}
var manyToMany = prop.HasMany2ManyAttribute;
if (manyToMany != null)
{
sb.Append("HasManyToMany").Append(linq);
// if (manyToMany.OrderBy.IsNotNull())
// sb.AppendFormat(".AsMap(\"{0}\")", manyToMany.OrderBy);
string temp = ".Table(\"{0}\").ParentKeyColumn(\"{1}\").ChildKeyColumn(\"{2}\")";
sb.Append(string.Format(temp, manyToMany.MidTable, manyToMany.ParentKey, manyToMany.ChildKey));
if (manyToMany.OrderBy.IsNotNull())
{
sb.AppendFormat(".OrderBy(\"{0}\")", manyToMany.OrderBy);
}
//else if (typeof(ISortable).IsAssignableFrom(manyToMany.ItemType))
//{
// sb.AppendFormat(".OrderBy(\"Sort\")");
//}
//if (cache)
// sb.Append(".Cache.ReadWrite()");
sb.Append(";\n");
continue;
}
if (prop.IsKeyColumn)
{
sb.Append("Id").Append(linq).Append(".GeneratedBy");
// GuidComb Assigned
if (prop.PropertyDescriptor.PropertyType == typeof(Guid))
{
sb.Append(".GuidComb()");
}
else
{
sb.Append(".Assigned()");
}
}
else
{
sb.Append("Map").Append(linq);
}
if (prop.RequiredAttribute != null)
{
sb.Append(".Not.Nullable()");
}
if (prop.PropertyDescriptor.PropertyType == typeof(string))
{
var maxLen = 0;
if (prop.StringLengthAttribute != null)
{
maxLen = prop.StringLengthAttribute.MaximumLength;
}
if (maxLen == 0)
{
maxLen = 255;
}
sb.AppendFormat(".Length({0})", maxLen);
}
if (prop.IndexAttribute != null)
{
var indexName = "ix_" + meta.TableName + "_" + prop.Name;
if (!indexNameSet.Contains(indexName))
{
indexNameSet.Add(indexName);
if (prop.IndexAttribute.IsUnique)
{
sb.AppendFormat(".UniqueKey(\"{0}\")", indexName);
}
else
{
sb.AppendFormat(".Index(\"{0}\")", indexName);
}
}
}
if (prop.ColumnName != prop.Name)
{
sb.AppendFormat(".Column(\"{0}\")", prop.ColumnName);
}
sb.AppendLine(";");
}
sb.AppendLine("}} ");
// sb.Append(@"public class usermap { public string userid {get;set;} }");
return(sb.ToString());
}
