public MpperRelevanceItem(DataEntity entity, IProperty property, int index)
{
this.entity = entity;
this.property = property;
this.index = index;
this.setHandler = EntityMapperCacheManager.GetMapperCacheManager()[entity.GetType().Name].Value.FindSetDynamicHandle(property.Name);
}
public DBHelperBase()
{
this._conn = this.GetIDbConntion();
this._mapper = EntityMapperCacheManager.GetMapperCacheManager()[typeof(T).Name].Value;
this._bat = this.GetDBbatBuilder();
this._entity = new T();
}
public RelevanceMap(string aliaName, IProperty foreignKey, IProperty entity, string primaryKeyName = null)
{
this.AliaName = aliaName;
this.ForeignKey = foreignKey;
this.Type = entity.Type;
this.EntityProperty = entity;
var a = EntityMapperCacheManager.GetMapperCacheManager()[entity.Type.Name];
this.PrimaryKey = string.IsNullOrWhiteSpace(primaryKeyName) ? a.Value.PrimaryKey : a.Value.GetPropertField(primaryKeyName);
}
public override void SelectBatBuilder <K>(IWhereGroup where, int num, JoinType Type, IEnumerable <IProperty> disabled, IList <ISorting> sortin)
{
sortin = InitiSorting(this._mapper, sortin);
var kMapper = (IEntityMapper <K>)EntityMapperCacheManager.GetMapperCacheManager()[typeof(K).Name].Value;
var fok = (from t in _mapper.Relevances where t.Type == typeof(K) select t).SingleOrDefault();
var relevanceStr = string.Empty;
this._propertys = FilterProperty <K>(this._mapper, kMapper, fok, Type, out relevanceStr);
this._sqltext = new StringBuilder();
this._sqltext.Append($"select {(num > 0 ? $" top({num})" : string.Empty) } {string.Join(",", this._propertys)} ");
this._sqltext.Append($"from {relevanceStr} {(where == null ? string.Empty : where.ToString())}");
this._sqltext.Append(sortin == null ? string.Empty : $" order by {string.Join(",", sortin)} ");
}
public override void ScalarBatBuilder <K>(IWhereGroup where, int num, JoinType Type, IEnumerable <Polymerize> polymerizes, IEnumerable <IProperty> disabled, IList <ISorting> sortin)
{
sortin = InitiSorting(this._mapper, sortin);
var kMapper = (IEntityMapper <K>)EntityMapperCacheManager.GetMapperCacheManager()[typeof(K).Name].Value;
var fok = (from t in _mapper.Relevances where t.Type == typeof(K) select t).SingleOrDefault();
var relevanceStr = string.Empty;
this._propertys = FilterProperty <K>(this._mapper, kMapper, fok, Type, out relevanceStr, disabled, polymerizes);
var filed_str = string.Join(",", this._propertys);
var polymerizeText = polymerizes == null ? string.Empty : $"{string.Join(",", polymerizes)} {(string.IsNullOrWhiteSpace(filed_str)?string.Empty:",")}";
this._sqltext = new StringBuilder();
this._sqltext.Append($"select {string.Join(",", polymerizes)} ");
this._sqltext.Append($"from {relevanceStr} {(where == null ? string.Empty : where.ToString())}");
this.where = where;
}
private static MpperRelevanceItem GetForeignDataEntity <T>(string columnName, int index, IEntityMapper <T> mapper, Dictionary <string, DataEntity> cache, params string[] typename)
{
int indexStr = columnName.IndexOf("_");
var a = columnName.Substring(0, indexStr);
var fieldName = columnName.Substring(indexStr += 1, columnName.Length - indexStr);
IProperty p;
foreach (var t in typename)
{
p = EntityMapperCacheManager.GetMapperCacheManager()[t].Value.GetPropertField(fieldName) as IProperty;
if (p != null)
{
return(new MpperRelevanceItem(cache[a], p, index));
}
}
return(null);
}
public override void SelectBatBuilder <K1, K2>(IWhereGroup where, int num, JoinType Type, IEnumerable <IProperty> disabled, IList <ISorting> sortin)
{
sortin = InitiSorting(this._mapper, sortin);
var mp = EntityMapperCacheManager.GetMapperCacheManager();
var k1Mapper = (IEntityMapper <K1>)mp[typeof(K1).Name].Value;
var k2Mapper = (IEntityMapper <K2>)mp[typeof(K2).Name].Value;
var FK = (from t in _mapper.Relevances where t.Type == typeof(K1) || t.Type == typeof(K2) select t).ToArray();
var relevanceStr = string.Empty;
this._propertys = FilterProperty <K1, K2>(this._mapper, k1Mapper, k2Mapper, FK, Type, out relevanceStr, disabled);
var filed_str = string.Join(",", this._propertys);
this._sqltext = new StringBuilder();
this._sqltext.Append($"select {(num > 0 ? $" top({num})" : string.Empty) } {string.Join(",", this._propertys)} ");
this._sqltext.Append($"from {relevanceStr} {(where == null ? string.Empty : where.ToString())}");
this._sqltext.Append(sortin == null ? string.Empty : $" order by {string.Join(",", sortin)} ");
this.where = where;
}
public static T Parse <T>(IEnumerable <JsonObject> items) where T : IEntity, new()
{
var e = new T();
var c = EntityMapperCacheManager.GetMapperCacheManager()[e.GetType().Name].Value;
foreach (var a in e.GetFieldItems())
{
foreach (var b in items)
{
if (string.Compare(a.Name, b.Key) == 0)
{
var s = Convert.ChangeType(b.Value, a.Type);
c.FindSetDynamicHandle(a.Name)(e, s, a.Type.IsEnum ? typeof(int) : a.Type);
}
}
}
return(e);
}
public override int PagingByList <K>(IList <T> entitys, IWhereGroup wheres, IPaing paing, JoinType Type, IList <ISorting> sortin = null, IList <IProperty> disabled = null)
{
object rownum, s = null;
if (wheres != null)
{
var d = new DynamicHandlerCompiler <object>();
var itmes = wheres.GetCreaterDynamicClassPropertys();
var type = d.CreaterAnonEntity("anonClass", itmes);
s = Activator.CreateInstance(type, CreaterDynamicClassProperty.GetValues(itmes));
}
this.BatBuilder.ScalarBatBuilder <K>(wheres, -1, Type, new Polymerize[] { new Polymerize(this.Mapper.PrimaryKey, PolymerizeType.Count, "a", this.Mapper.TableName) }, null, null);
this.ExecuteScalar(s, out rownum);
paing.SetCount((int)rownum);
if (paing.PageNum > 1)
{
sortin = SqlDBbatBuilder <T> .InitiSorting(this.Mapper, sortin);
var kMapper = (IEntityMapper <K>)EntityMapperCacheManager.GetMapperCacheManager()[typeof(K).Name].Value;
var fok = (from t in this.Mapper.Relevances where t.Type == typeof(K) select t).SingleOrDefault();
var relevanceStr = string.Empty;
var p = SqlDBbatBuilder <T> .FilterProperty <K>(this.Mapper, kMapper, fok, Type, out relevanceStr);
var str = new StringBuilder($"select * from ");
str.Append($"(select top({paing.PageNumber * paing.Showline}) {string.Join(",", p)}, row_number() over(order by {string.Join(",", sortin)} ) as row from {relevanceStr} ");
str.Append($"{(wheres == null ? string.Empty : wheres.ToString())}) as paging ");
str.Append($"where row>{paing.Showline * (paing.PageNumber - 1)}");
var bar = new SqlDBbatBuilder <T>(this.Mapper);
bar.Additional(str.ToString(), wheres);
this.Execute <K>(entitys, bar, s);
}
else
{
this.Select <K>(entitys, paing.Showline, wheres, Type, disabled);
}
return(paing.Count);
}
public IEnumerable <IField> GetFieldItems()
{
return(EntityMapperCacheManager.GetMapperCacheManager()[this.GetType().Name].Value.Propertys);
}
public IField GetFilter(string fieldName)
{
return(EntityMapperCacheManager.GetMapperCacheManager()[this.GetType().Name].Value.GetPropertField(fieldName));
}
